{"id":23338,"date":"2026-03-31T23:32:53","date_gmt":"2026-03-31T15:32:53","guid":{"rendered":"https:\/\/viox.com\/?p=23338"},"modified":"2026-03-31T23:32:56","modified_gmt":"2026-03-31T15:32:56","slug":"us-low-voltage-circuit-breaker-standards-explained-ul-489-ul-1066-nema-ab-and-nec","status":"publish","type":"post","link":"https:\/\/test.viox.com\/my\/us-low-voltage-circuit-breaker-standards-explained-ul-489-ul-1066-nema-ab-and-nec\/","title":{"rendered":"US Low-Voltage Circuit Breaker Standards Explained: ANSI, IEEE, NEMA, UL, NEC, UL 489, UL 1066, NEMA AB, and IEEE C37"},"content":{"rendered":"<div class=\"product-intro\">\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Engineer-reviewing-low-voltage-circuit-breaker-standards-in-front-of-switchgear-and-distribution-equipment.webp\" alt=\"Engineer reviewing low-voltage circuit breaker standards in front of switchgear and distribution equipment\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c\u1005\u1000\u103a\u101b\u102f\u1036\u1010\u103d\u1004\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1013\u102c\u1010\u103a\u1021\u102c\u1038\u1014\u100a\u103a\u1038 \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1019\u103e\u1010\u103a\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1015\u103c\u1014\u103a\u101c\u100a\u103a\u101e\u102f\u1036\u1038\u101e\u1015\u103a\u1014\u1031\u101e\u1031\u102c \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1010\u1005\u103a\u1026\u1038\u104b.<\/figcaption><\/figure>\n<p>\u1021\u1000\u101a\u103a\u104d \u101e\u1004\u103a\u101e\u100a\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1015\u103c\u100a\u103a\u1011\u1031\u102c\u1004\u103a\u1005\u102f\u101b\u103e\u102d \u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1013\u102c\u1010\u103a\u1021\u102c\u1038\u1014\u100a\u103a\u1038 \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u101c\u102f\u1015\u103a\u1000\u102d\u102f\u1004\u103a\u1015\u102b\u1000 \u1021\u1001\u1000\u103a\u1001\u1032\u1006\u102f\u1036\u1038\u1021\u1015\u102d\u102f\u1004\u103a\u1038\u1019\u103e\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1000\u102d\u102f\u101a\u103a\u1010\u102d\u102f\u1004\u103a\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1005\u1014\u1005\u103a\u1010\u103d\u1004\u103a \u1019\u100a\u103a\u101e\u1030\u1000 \u1019\u100a\u103a\u101e\u100a\u1037\u103a\u1021\u101b\u102c\u1000\u102d\u102f \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u101e\u100a\u103a\u1000\u102d\u102f \u101b\u103e\u102c\u1016\u103d\u1031\u1001\u103c\u1004\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>\u101c\u1030\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1000\u1032\u1037\u101e\u102d\u102f\u1037 \u1021\u1019\u100a\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1010\u103d\u1031\u1037\u1019\u103c\u1004\u103a\u1000\u103c\u101e\u100a\u103a-<\/p>\n<ul>\n<li><strong>ANSI<\/strong><\/li>\n<li><strong>IEEE<\/strong><\/li>\n<li><strong>NEMA<\/strong><\/li>\n<li><strong>UL<\/strong><\/li>\n<li><strong>NFPA<\/strong><\/li>\n<li><strong>\u1021\u1006\u102d\u102f\u1015\u102b \u1044\u1048\u1049<\/strong><\/li>\n<li><strong>UL 1066<\/strong><\/li>\n<li><strong>NEMA AB<\/strong><\/li>\n<li><strong>IEEE C37<\/strong><\/li>\n<li><strong>NEC<\/strong><\/li>\n<\/ul>\n<p>\u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u101e\u100a\u103a \u1010\u1030\u100a\u102e\u101e\u1031\u102c\u1021\u101c\u102f\u1015\u103a\u1000\u102d\u102f \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u101e\u100a\u103a\u101f\u102f \u101a\u1030\u1006\u1000\u103c\u101e\u100a\u103a\u104b \u101e\u1030\u1010\u102d\u102f\u1037 \u1019\u101c\u102f\u1015\u103a\u1000\u103c\u1018\u1030\u1038\u104b \u1021\u1001\u103b\u102d\u102f\u1037\u1019\u103e\u102c \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u100a\u103e\u102d\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u101b\u1031\u1038\u1019\u103e\u1030\u1038\u1019\u103b\u102c\u1038\u104a \u1021\u1001\u103b\u102d\u102f\u1037\u1019\u103e\u102c \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u1006\u103d\u1032\u101e\u1030\u1019\u103b\u102c\u1038\u104a \u1021\u1001\u103b\u102d\u102f\u1037\u1019\u103e\u102c \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1016\u103c\u1005\u103a\u1015\u103c\u102e\u1038 \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u1011\u1032\u1019\u103e\u1010\u1005\u103a\u1001\u102f\u101e\u100a\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1011\u1000\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c\u1000\u102f\u1012\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>\u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u1000\u102d\u102f \u1014\u102c\u1038\u101c\u100a\u103a\u101b\u1014\u103a \u1021\u101c\u103d\u101a\u103a\u1000\u1030\u1006\u102f\u1036\u1038\u1014\u100a\u103a\u1038\u101c\u1019\u103a\u1038\u1019\u103e\u102c \u1024\u101e\u102d\u102f\u1037\u1016\u103c\u1005\u103a\u101e\u100a\u103a-<\/p>\n<ul>\n<li><strong>ANSI<\/strong> \u101e\u100a\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1021\u1019\u103b\u102d\u102f\u1038\u101e\u102c\u1038\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u100a\u103e\u102d\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u101b\u1031\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u101b\u1031\u1038\u1021\u101c\u103d\u103e\u102c\u1016\u103c\u1005\u103a\u1015\u103c\u102e\u1038 \u1014\u100a\u103a\u1038\u1015\u100a\u102c\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1010\u102d\u102f\u1004\u103a\u1038\u1000\u102d\u102f \u101b\u1031\u1038\u101e\u102c\u1038\u101e\u100a\u1037\u103a\u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b.<\/li>\n<li><strong>IEEE<\/strong> \u1014\u103e\u1004\u1037\u103a <strong>NEMA<\/strong> \u101e\u100a\u103a \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u1006\u103d\u1032\u1001\u103c\u1004\u103a\u1038\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1019\u103b\u102c\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/li>\n<li><strong>UL \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1015\u1030\u1038\u1015\u1031\u102b\u1004\u103a\u1038\u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u1019\u103e\u102f<\/strong> \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101b\u1031\u1038\u1006\u103d\u1032\u1015\u103c\u102e\u1038\u104a <strong>UL \u1016\u103c\u1031\u101b\u103e\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038<\/strong> \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1001\u103c\u1004\u103a\u1038\u104a \u1021\u1000\u1032\u1016\u103c\u1010\u103a\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1006\u1000\u103a\u1005\u1015\u103a\u1014\u1031\u101e\u100a\u103a\u104b.<\/li>\n<li><strong>NFPA<\/strong> \u1000\u102d\u102f \u1011\u102f\u1010\u103a\u101d\u1031\u101e\u100a\u103a\u104b <strong>NEC<\/strong>, \u1014\u103e\u1004\u1037\u103a <strong>NEC<\/strong> \u101e\u100a\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u102c\u101b\u1004\u103a\u1038\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u101f\u102f\u1010\u103a\u1018\u1032 \u1010\u1015\u103a\u1006\u1004\u103a\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c\u1000\u102f\u1012\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/li>\n<li><strong>\u1021\u1006\u102d\u102f\u1015\u102b \u1044\u1048\u1049<\/strong> \u1014\u103e\u1004\u1037\u103a <strong>NEMA AB 1<\/strong> \u101e\u100a\u103a \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u102d\u1005\u1039\u1005\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1000\u1019\u1039\u1018\u102c\u1010\u103d\u1004\u103a \u1010\u100a\u103a\u101b\u103e\u102d\u101e\u100a\u103a\u104b.<\/li>\n<li><strong>UL 1066<\/strong> \u1014\u103e\u1004\u1037\u103a \u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1013\u102c\u1010\u103a\u1021\u102c\u1038\u1014\u100a\u103a\u1038 <strong>IEEE \/ ANSI-NEMA C37<\/strong> \u1019\u102d\u101e\u102c\u1038\u1005\u102f\u101e\u100a\u103a \u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1013\u102c\u1010\u103a\u1021\u102c\u1038\u1014\u100a\u103a\u1038 \u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1000\u1019\u1039\u1018\u102c\u1010\u103d\u1004\u103a \u1010\u100a\u103a\u101b\u103e\u102d\u101e\u100a\u103a\u104b.<\/li>\n<\/ul>\n<p>\u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1021\u1013\u102d\u1000\u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u1024\u1006\u1031\u102c\u1004\u103a\u1038\u1015\u102b\u1038\u104f \u1000\u103b\u1014\u103a\u1021\u1015\u102d\u102f\u1004\u103a\u1038\u101e\u100a\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1008\u1031\u1038\u1000\u103d\u1000\u103a\u1010\u103d\u1004\u103a \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101b\u103d\u1031\u1038\u1001\u103b\u101a\u103a\u1001\u103c\u1004\u103a\u1038 \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103c\u1004\u103a\u1038\u1010\u103d\u1004\u103a \u1010\u1005\u103a\u1001\u102f\u1001\u103b\u1004\u103a\u1038\u1005\u102e\u101e\u100a\u103a \u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1010\u103d\u1004\u103a \u1019\u100a\u103a\u101e\u102d\u102f\u1037\u1021\u1013\u102d\u1015\u1039\u1015\u102c\u101a\u103a\u101b\u103e\u102d\u1015\u103c\u102e\u1038 \u1019\u100a\u103a\u101e\u102d\u102f\u1037\u1000\u102d\u102f\u1000\u103a\u100a\u102e\u101e\u100a\u103a\u1000\u102d\u102f \u101b\u103e\u1004\u103a\u1038\u1015\u103c\u1011\u102c\u1038\u101e\u100a\u103a\u104b.<\/p>\n<h2>\u101e\u1031\u102c\u1037\u1011\u102f\u1010\u103a\u101a\u1030\u1019\u103e\u102f\u1019\u103b\u102c\u1038<\/h2>\n<ul>\n<li><strong>ANSI<\/strong> \u101e\u100a\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1021\u1019\u103b\u102d\u102f\u1038\u101e\u102c\u1038\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1005\u1009\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u101e\u100a\u103a; \u104e\u1004\u103a\u1038\u101e\u100a\u103a IEEE\u104a NEMA\u104a UL \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a NEC \u1014\u103e\u1004\u1037\u103a \u1010\u1030\u100a\u102e\u101e\u1031\u102c\u1021\u101b\u102c\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b.<\/li>\n<li><strong>\u1021\u1006\u102d\u102f\u1015\u102b \u1044\u1048\u1049<\/strong> \u1014\u103e\u1004\u1037\u103a <strong>UL 1066<\/strong> \u101e\u100a\u103a \u1010\u1030\u100a\u102e\u101e\u1031\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1021\u1010\u103d\u1000\u103a \u101a\u103e\u1009\u103a\u1015\u103c\u102d\u102f\u1004\u103a\u1014\u1031\u101e\u1031\u102c \u1021\u1019\u103e\u1010\u103a\u1010\u1036\u1006\u102d\u1015\u103a\u1019\u103b\u102c\u1038\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b.<\/li>\n<li><strong>UL 489 \/ NEMA AB<\/strong> \u101e\u100a\u103a \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1000\u1019\u1039\u1018\u102c\u1006\u102e\u101e\u102d\u102f\u1037 \u100a\u103d\u103e\u1014\u103a\u1015\u103c\u101e\u100a\u103a\u104b.<\/li>\n<li><strong>UL 1066 \/ IEEE C37<\/strong> \u101e\u100a\u103a \u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1013\u102c\u1010\u103a\u1021\u102c\u1038\u1014\u100a\u103a\u1038 \u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1000\u1019\u1039\u1018\u102c\u1006\u102e\u101e\u102d\u102f\u1037 \u100a\u103d\u103e\u1014\u103a\u1015\u103c\u101e\u100a\u103a\u104b.<\/li>\n<li><strong>NFPA 70 (NEC)<\/strong> \u101e\u100a\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u101e\u102f\u1036\u1038\u1001\u103b\u1001\u103c\u1004\u103a\u1038\u1000\u102d\u102f \u1021\u102f\u1015\u103a\u1001\u103b\u102f\u1015\u103a\u1015\u103c\u102e\u1038 UL\u104a NEMA \u1014\u103e\u1004\u1037\u103a IEEE \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u1019\u103b\u102c\u1038\u104a \u1010\u100a\u103a\u1006\u1031\u102c\u1000\u103a\u1019\u103e\u102f\u1019\u103b\u103e\u1031\u102c\u103a\u101c\u1004\u1037\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u104a \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1019\u103e\u102f\u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1019\u103b\u102c\u1038 \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1006\u1000\u103a\u1005\u1015\u103a\u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u102f\u1015\u103a\u1001\u103b\u102f\u1015\u103a\u101e\u100a\u103a\u104b.<\/li>\n<li><strong>OSHA NRTL<\/strong> \u101e\u100a\u103a \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1013\u102c\u1010\u103a\u1001\u103d\u1032\u1001\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1005\u100a\u103a\u1038\u1000\u1019\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1016\u103c\u1005\u103a\u1015\u103c\u102e\u1038 \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b.<\/li>\n<\/ul>\n<h2>\u1021\u1019\u103c\u1014\u103a\u1000\u102d\u102f\u1038\u1000\u102c\u1038\u1007\u101a\u102c\u1038<\/h2>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">\u1014\u102c\u1019\u100a\u103a<\/th>\n<th style=\"padding: 8px;\">\u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1018\u102c\u101c\u1032<\/th>\n<th style=\"padding: 8px;\">\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1002\u1031\u101f\u1005\u1014\u1005\u103a\u1010\u103d\u1004\u103a \u1015\u102f\u1036\u1019\u103e\u1014\u103a\u1021\u1001\u1014\u103a\u1038\u1000\u100f\u1039\u100d<\/th>\n<th style=\"padding: 8px;\">\u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1021\u1013\u102d\u1015\u1039\u1015\u102c\u101a\u103a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>ANSI<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u100a\u103e\u102d\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u101b\u1031\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u101b\u1031\u1038\u1021\u1016\u103d\u1032\u1037<\/td>\n<td style=\"padding: 8px;\">ANSI \u1019\u103e \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u1011\u102c\u1038\u101e\u1031\u102c \u101e\u1018\u1031\u102c\u1010\u1030\u100a\u102e\u1019\u103e\u102f\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1005\u1009\u103a\u1000\u102d\u102f \u1000\u103c\u102e\u1038\u1000\u103c\u1015\u103a\u101e\u100a\u103a\u104b<\/td>\n<td style=\"padding: 8px;\">\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1005\u1009\u103a\u1014\u103e\u1004\u1037\u103a \u101e\u1018\u1031\u102c\u1010\u1030\u100a\u102e\u1019\u103e\u102f\u1000\u102d\u102f \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u101e\u100a\u103a\u104a \u1014\u100a\u103a\u1038\u1015\u100a\u102c\u1006\u102d\u102f\u1004\u103a\u101b\u102c\u1021\u1015\u102d\u102f\u1012\u103a\u1010\u102d\u102f\u1004\u103a\u1038\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>IEEE<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u1006\u103d\u1032\u101b\u1031\u1038\u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038<\/td>\n<td style=\"padding: 8px;\">\u1014\u100a\u103a\u1038\u1015\u100a\u102c\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u104a \u1021\u1011\u1030\u1038\u101e\u1016\u103c\u1004\u1037\u103a C37 \u1000\u1032\u1037\u101e\u102d\u102f\u1037\u101e\u1031\u102c \u1015\u102b\u101d\u102b\u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a<\/td>\n<td style=\"padding: 8px;\">\u1015\u102b\u101d\u102b\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1005\u103d\u102c\u1021\u1010\u103d\u1000\u103a \u1021\u1013\u102d\u1000\u1014\u100a\u103a\u1038\u1015\u100a\u102c\u1021\u101b\u1004\u103a\u1038\u1021\u1019\u103c\u1005\u103a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>NEMA<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1005\u1000\u103a\u1019\u103e\u102f\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1021\u101e\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u1006\u103d\u1032\u101b\u1031\u1038\u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038<\/td>\n<td style=\"padding: 8px;\">\u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1014\u103e\u1004\u1037\u103a \u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c\u1014\u103e\u1004\u1037\u103a\u101e\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u101e\u1031\u102c \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1011\u102f\u1010\u103a\u101d\u1031\u101e\u100a\u103a\u104b<\/td>\n<td style=\"padding: 8px;\">AB \u1014\u103e\u1004\u1037\u103a ANSI\/NEMA C37 \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1021\u1001\u103b\u102d\u102f\u1037\u1021\u1010\u103d\u1000\u103a \u1021\u1013\u102d\u1000\u1021\u101b\u1004\u103a\u1038\u1021\u1019\u103c\u1005\u103a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>UL \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1015\u1030\u1038\u1015\u1031\u102b\u1004\u103a\u1038\u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u1019\u103e\u102f \/ UL \u1016\u103c\u1031\u101b\u103e\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u1006\u103d\u1032\u1001\u103c\u1004\u103a\u1038\u1021\u1015\u103c\u1004\u103a \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1001\u103c\u1004\u103a\u1038\/\u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1001\u103c\u1004\u103a\u1038 \u1002\u1031\u101f\u1005\u1014\u1005\u103a<\/td>\n<td style=\"padding: 8px;\">\u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1021\u1000\u1032\u1016\u103c\u1010\u103a\u1001\u103c\u1004\u103a\u1038\u1019\u1030\u1018\u1031\u102c\u1004\u103a<\/td>\n<td style=\"padding: 8px;\">\u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u102c\u101b\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1006\u103d\u1031\u1038\u1014\u103d\u1031\u1038\u1019\u103e\u102f\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1021\u1013\u102d\u1000<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>NFPA \/ NEC<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1000\u102f\u1012\u103a\u1011\u102f\u1010\u103a\u101d\u1031\u101e\u1030\u1014\u103e\u1004\u1037\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c\u1000\u102f\u1012\u103a<\/td>\n<td style=\"padding: 8px;\">\u101c\u101a\u103a\u1015\u103c\u1004\u103a\u1012\u102e\u1007\u102d\u102f\u1004\u103a\u1038\u104a \u1010\u1015\u103a\u1006\u1004\u103a\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1005\u1005\u103a\u1006\u1031\u1038\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1019\u103b\u102c\u1038<\/td>\n<td style=\"padding: 8px;\">\u1005\u102c\u101b\u1004\u103a\u1038\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1019\u100a\u103a\u101e\u102d\u102f\u1037\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u103a\u1000\u102d\u102f \u1021\u102f\u1015\u103a\u1001\u103b\u102f\u1015\u103a\u101e\u100a\u103a\u104b<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>OSHA NRTL<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1021\u1005\u102d\u102f\u1038\u101b\u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1021\u1005\u102e\u1021\u1005\u1009\u103a<\/td>\n<td style=\"padding: 8px;\">\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101c\u1000\u103a\u1019\u103e\u1010\u103a\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1015\u102f\u1002\u1039\u1002\u101c\u102d\u1000\u1000\u100f\u1039\u100d \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1013\u102c\u1010\u103a\u1001\u103d\u1032\u1001\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101e\u100a\u103a\u104b<\/td>\n<td style=\"padding: 8px;\">\u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1005\u100a\u103a\u1038\u1000\u1019\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1021\u101c\u103d\u103e\u102c\u104a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1021\u1019\u103c\u1014\u103a\u1005\u102d\u1010\u103a\u1015\u102d\u102f\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c\u1015\u102f\u1036\u1005\u1036<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Technical-infographic-showing-the-relationship-between-ANSI-IEEE-NEMA-UL-NEC-and-OSHA-NRTL.webp\" alt=\"Technical infographic showing the relationship between ANSI, IEEE, NEMA, UL, NEC, and OSHA NRTL\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">ANSI\u104a IEEE\u104a UL \u1014\u103e\u1004\u1037\u103a NEC \u1000\u1032\u1037\u101e\u102d\u102f\u1037\u101e\u1031\u102c \u1021\u1013\u102d\u1000 \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1021\u1000\u103c\u102c\u1038 \u1021\u1015\u103c\u1014\u103a\u1021\u101c\u103e\u1014\u103a\u1006\u1000\u103a\u1005\u1015\u103a\u1019\u103e\u102f\u1000\u102d\u102f \u1021\u101e\u1031\u1038\u1005\u102d\u1010\u103a\u1016\u1031\u102c\u103a\u1015\u103c\u101e\u100a\u1037\u103a \u101b\u102f\u1015\u103a\u1015\u102f\u1036\u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u104b.<\/figcaption><\/figure>\n<p>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u101b\u103e\u102f\u1015\u103a\u1011\u103d\u1031\u1038\u101e\u100a\u103a\u101f\u102f \u1001\u1036\u1005\u102c\u1038\u101b\u101e\u1031\u102c\u1021\u1001\u102b \u1024\u101b\u102d\u102f\u1038\u101b\u103e\u1004\u103a\u1038\u101e\u1031\u102c \u1021\u1006\u1004\u1037\u103a\u1006\u1004\u1037\u103a\u101e\u100a\u103a \u1021\u1019\u103b\u102c\u1038\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a \u1021\u1011\u1031\u102c\u1000\u103a\u1021\u1000\u1030\u1016\u103c\u1005\u103a\u101e\u100a\u103a-<\/p>\n<ul>\n<li><strong>ANSI<\/strong> \u101e\u100a\u103a \u101e\u1018\u1031\u102c\u1010\u1030\u100a\u102e\u1019\u103e\u102f\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1005\u1009\u103a\u1000\u102d\u102f \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u101e\u100a\u103a\u104b<\/li>\n<li><strong>IEEE<\/strong>, <strong>NEMA<\/strong>, <strong>UL \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1015\u1030\u1038\u1015\u1031\u102b\u1004\u103a\u1038\u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u1019\u103e\u102f<\/strong>\u1014\u103e\u1004\u1037\u103a <strong>NFPA<\/strong> \u101e\u100a\u103a \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u104f\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038 \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1000\u102f\u1012\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101b\u1031\u1038\u1006\u103d\u1032\u101e\u100a\u103a\u104b<\/li>\n<li><strong>UL \u1016\u103c\u1031\u101b\u103e\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038<\/strong> \u1014\u103e\u1004\u1037\u103a \u1021\u1001\u103c\u102c\u1038\u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1021\u1016\u103d\u1032\u1037\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u101e\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u101b\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a\u1021\u100a\u102e \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1000\u1032\u1016\u103c\u1010\u103a\u101e\u100a\u103a\u104b<\/li>\n<li><strong>OSHA NRTL<\/strong> \u101e\u100a\u103a \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1014\u101a\u103a\u1015\u101a\u103a\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1013\u102c\u1010\u103a\u1001\u103d\u1032\u1001\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101e\u100a\u103a\u104b<\/li>\n<li><strong>NEC (NFPA 70)<\/strong> \u101e\u100a\u103a \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1000\u102d\u102f \u1019\u100a\u103a\u101e\u102d\u102f\u1037\u1010\u1015\u103a\u1006\u1004\u103a\u1015\u103c\u102e\u1038 \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101b\u1019\u100a\u103a\u1000\u102d\u102f \u101e\u1004\u1037\u103a\u1021\u102c\u1038 \u1015\u103c\u1031\u102c\u1015\u103c\u101e\u100a\u103a\u104b<\/li>\n<\/ul>\n<p>\u1011\u102d\u102f\u1016\u103d\u1032\u1037\u1005\u100a\u103a\u1038\u1015\u102f\u1036\u101e\u100a\u103a \u101b\u103e\u1004\u103a\u1038\u101c\u1004\u103a\u1038\u101e\u100a\u103a\u1014\u103e\u1004\u1037\u103a \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1019\u103c\u1031\u1015\u102f\u1036\u1006\u103d\u1032\u1001\u103c\u1004\u103a\u1038\u101e\u100a\u103a \u1015\u102d\u102f\u1019\u102d\u102f\u101c\u103d\u101a\u103a\u1000\u1030\u101c\u102c\u101e\u100a\u103a-<\/p>\n<ul>\n<li><strong>UL 489 \/ NEMA AB<\/strong> \u101e\u100a\u103a \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1021\u101c\u1031\u1037\u1021\u1000\u103b\u1004\u1037\u103a\u1006\u102e\u101e\u102d\u102f\u1037 \u100a\u103d\u103e\u1014\u103a\u1015\u103c\u101e\u100a\u103a\u104b<\/li>\n<li><strong>UL 1066 \/ IEEE C37<\/strong> \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1015\u1010\u103a\u101c\u1019\u103a\u1038\u1016\u103c\u1010\u103a\u1005\u1000\u103a\u1014\u103e\u1004\u1037\u103a \u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c\u1021\u101c\u1031\u1037\u1021\u1000\u103b\u1004\u1037\u103a\u1006\u102e\u101e\u102d\u102f\u1037 \u100a\u103d\u103e\u1014\u103a\u1015\u103c\u101e\u100a\u103a\u104b<\/li>\n<\/ul>\n<h2>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1016\u103d\u1032\u1037\u1005\u100a\u103a\u1038\u1015\u102f\u1036\u1010\u103d\u1004\u103a \u1019\u100a\u103a\u101e\u1030\u1000 \u1018\u102c\u101c\u102f\u1015\u103a\u101e\u1014\u100a\u103a\u1038\u104b<\/h2>\n<p>\u101e\u102e\u1038\u1001\u103c\u102c\u1038 breaker \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1014\u103e\u102d\u102f\u1004\u103a\u1038\u101a\u103e\u1009\u103a\u1001\u103c\u1004\u103a\u1038\u1019\u1015\u103c\u102f\u1019\u102e\u104a \u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1001\u103d\u1032\u1011\u102f\u1010\u103a\u101b\u1014\u103a \u1021\u1011\u1031\u102c\u1000\u103a\u1021\u1000\u1030\u1016\u103c\u1005\u103a\u1005\u1031\u101e\u100a\u103a\u104b.<\/p>\n<h3>ANSI<\/h3>\n<p><strong>ANSI<\/strong> \u1021\u1010\u102d\u102f\u1000\u1031\u102c\u1000\u103a\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a <strong>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1021\u1019\u103b\u102d\u102f\u1038\u101e\u102c\u1038\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1021\u1004\u103a\u1005\u1010\u102e\u1000\u103b\u102f<\/strong>. \u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u104e\u1004\u103a\u1038\u104f\u1021\u1001\u1014\u103a\u1038\u1000\u100f\u1039\u100d\u1019\u103e\u102c \u100a\u103e\u102d\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u1001\u103c\u1004\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b ANSI \u101e\u100a\u103a \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u100a\u1037\u103a breaker \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1010\u102d\u102f\u1004\u103a\u1038\u1000\u102d\u102f \u1000\u102d\u102f\u101a\u103a\u1010\u102d\u102f\u1004\u103a\u101b\u1031\u1038\u101e\u102c\u1038\u1001\u103c\u1004\u103a\u1038\u1019\u101b\u103e\u102d\u1015\u102b\u104b \u101a\u1004\u103a\u1038\u1021\u1005\u102c\u1038\u104a \u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1005\u1009\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u1015\u103c\u102e\u1038 \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1021\u1019\u103b\u102d\u102f\u1038\u101e\u102c\u1038\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1021\u1016\u103c\u1005\u103a \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101b\u103e\u1031\u1037\u101e\u102d\u102f\u1037\u1010\u1004\u103a\u1015\u103c\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u1037\u103a \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u1006\u103d\u1032\u101e\u1030\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101e\u100a\u103a\u104b.<\/p>\n<p>\u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1021\u101e\u102f\u1036\u1038\u1001\u103b\u101b\u102c\u1010\u103d\u1004\u103a ANSI \u101e\u100a\u103a \u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1005\u1009\u103a\u1014\u103e\u1004\u1037\u103a \u101e\u1018\u1031\u102c\u1010\u1030\u100a\u102e\u1019\u103e\u102f\u1021\u101c\u103d\u103e\u102c\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>IEEE<\/h3>\n<p><strong>IEEE<\/strong> \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u1000 <strong>\u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1014\u103e\u1004\u1037\u103a \u1021\u102e\u101c\u1000\u103a\u1011\u101b\u103d\u1014\u103a\u1038\u1014\u1005\u103a \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038 \u1021\u1004\u103a\u1005\u1010\u102e\u1000\u103b\u102f<\/strong>. \u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b breaker \u1000\u1019\u1039\u1018\u102c\u1010\u103d\u1004\u103a IEEE \u101e\u100a\u103a \u1021\u1013\u102d\u1000\u1014\u100a\u103a\u1038\u1015\u100a\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1016\u103c\u1005\u103a\u1015\u103c\u102e\u1038 \u1021\u1011\u1030\u1038\u101e\u1016\u103c\u1004\u1037\u103a <strong>C37 \u1019\u102d\u101e\u102c\u1038\u1005\u102f<\/strong> \u1015\u102b\u101d\u102b\u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c\u1014\u103e\u1004\u1037\u103a \u1015\u102b\u101d\u102b\u1015\u1010\u103a\u101c\u1019\u103a\u1038\u1016\u103c\u1010\u103a\u1005\u1000\u103a\u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u100a\u103a\u104b.<\/p>\n<p>\u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1021\u101e\u102f\u1036\u1038\u1001\u103b\u101b\u102c\u1010\u103d\u1004\u103a IEEE \u101e\u100a\u103a \u1014\u100a\u103a\u1038\u1015\u100a\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u101e\u102c\u1038\u101e\u100a\u1037\u103a\u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>NEMA<\/h3>\n<p><strong>NEMA<\/strong> \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u1000 <strong>\u1021\u1019\u103b\u102d\u102f\u1038\u101e\u102c\u1038\u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1011\u102f\u1010\u103a\u101c\u102f\u1015\u103a\u101e\u1030\u1019\u103b\u102c\u1038\u1021\u101e\u1004\u103a\u1038<\/strong>. \u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1005\u1000\u103a\u1019\u103e\u102f\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1021\u101e\u1004\u103a\u1038\u1021\u1016\u103d\u1032\u1037\u1014\u103e\u1004\u1037\u103a ANSI \u1019\u103e \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1011\u102c\u1038\u101e\u1031\u102c \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u1006\u103d\u1032\u101e\u1030\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a breaker \u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1010\u103d\u1004\u103a \u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1021\u101b\u1031\u1038\u1015\u102b\u101e\u100a\u103a\u104a \u1021\u1018\u101a\u103a\u1000\u103c\u1031\u102c\u1004\u1037\u103a\u1006\u102d\u102f\u101e\u1031\u102c\u103a \u104e\u1004\u103a\u1038\u101e\u100a\u103a <strong>NEMA AB<\/strong> molded-case circuit breakers \u1021\u1010\u103d\u1000\u103a \u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1000\u102d\u102f \u1011\u102f\u1010\u103a\u101d\u1031\u1015\u103c\u102e\u1038 <strong>C37<\/strong> \u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u103e\u102f\u1001\u1004\u103a\u1038\u104f \u1021\u1005\u102d\u1010\u103a\u1021\u1015\u102d\u102f\u1004\u103a\u1038\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a\u101c\u100a\u103a\u1038 \u1015\u102b\u101d\u1004\u103a\u1015\u1010\u103a\u101e\u1000\u103a\u1014\u1031\u101e\u1031\u102c\u1000\u103c\u1031\u102c\u1004\u1037\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>\u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1021\u101e\u102f\u1036\u1038\u1001\u103b\u101b\u102c\u1010\u103d\u1004\u103a NEMA \u101e\u100a\u103a \u1005\u1000\u103a\u1019\u103e\u102f\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1010\u1000\u103a\u1000\u103c\u103d\u101e\u1031\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1011\u102f\u1010\u103a\u101d\u1031\u101e\u1030\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>UL<\/h3>\n<p>\u1021\u1019\u100a\u103a <strong>UL<\/strong> \u101e\u100a\u103a \u101c\u1030\u1021\u1019\u103b\u102c\u1038\u1000 \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u101b\u1031\u1038\u101e\u102c\u1038\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1006\u102d\u102f\u101c\u102d\u102f\u101e\u1031\u102c\u1000\u103c\u1031\u102c\u1004\u1037\u103a \u1021\u1019\u103b\u102c\u1038\u1006\u102f\u1036\u1038\u101b\u103e\u102f\u1015\u103a\u1011\u103d\u1031\u1038\u1005\u1031\u101e\u100a\u103a\u104b.<\/p>\n<p>\u1021\u1006\u1004\u1037\u103a\u1019\u103c\u1004\u1037\u103a\u1021\u1006\u1004\u1037\u103a\u1010\u103d\u1004\u103a-<\/p>\n<ul>\n<li><strong>UL \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1015\u1030\u1038\u1015\u1031\u102b\u1004\u103a\u1038\u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u1019\u103e\u102f<\/strong> \u101e\u100a\u103a \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1016\u103d\u1036\u1037\u1016\u103c\u102d\u102f\u1038\u1010\u102d\u102f\u1038\u1010\u1000\u103a\u1019\u103e\u102f\u1014\u103e\u1004\u1037\u103a \u1006\u1000\u103a\u1005\u1015\u103a\u1014\u1031\u101e\u100a\u103a\u104b<\/li>\n<li><strong>UL \u1016\u103c\u1031\u101b\u103e\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038<\/strong> \u101e\u100a\u103a \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1001\u103c\u1004\u103a\u1038\u104a \u1021\u1000\u1032\u1016\u103c\u1010\u103a\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1001\u103c\u1004\u103a\u1038\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1006\u1000\u103a\u1005\u1015\u103a\u1014\u1031\u101e\u100a\u103a\u104b<\/li>\n<\/ul>\n<p>\u1011\u102d\u102f\u1037\u1000\u103c\u1031\u102c\u1004\u1037\u103a \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u1000 \u201c\u1024\u101e\u100a\u103a\u1019\u103e\u102c UL breaker \u1016\u103c\u1005\u103a\u101e\u100a\u103a\u201d \u101f\u102f\u1015\u103c\u1031\u102c\u101e\u1031\u102c\u1021\u1001\u102b\u104a \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a breaker \u1000\u102d\u102f UL \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1014\u103e\u1004\u1037\u103a\u1021\u100a\u102e \u1021\u1000\u1032\u1016\u103c\u1010\u103a\u1011\u102c\u1038\u101e\u100a\u103a\u101f\u102f \u1006\u102d\u102f\u101c\u102d\u102f\u1001\u103c\u1004\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b <strong>\u1021\u1006\u102d\u102f\u1015\u102b \u1044\u1048\u1049<\/strong> \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a <strong>UL 1066<\/strong> \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1021\u1016\u103d\u1032\u1037\u1021\u1005\u100a\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u1019\u103e\u104b.<\/p>\n<h3>NFPA \u1014\u103e\u1004\u1037\u103a NEC<\/h3>\n<p><strong>NFPA<\/strong> \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u1000 <strong>\u1021\u1019\u103b\u102d\u102f\u1038\u101e\u102c\u1038\u1019\u102e\u1038\u1018\u1031\u1038\u1000\u102c\u1000\u103d\u101a\u103a\u101b\u1031\u1038\u1021\u101e\u1004\u103a\u1038<\/strong>. \u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u104e\u1004\u103a\u1038\u101e\u100a\u103a <strong>NFPA 70<\/strong>, \u1000\u102d\u102f \u1011\u102f\u1010\u103a\u101d\u1031\u101e\u100a\u103a\u104a <strong>NEC<\/strong>, \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1021\u1019\u103b\u102d\u102f\u1038\u101e\u102c\u1038\u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1000\u102f\u1012\u103a\u101f\u102f \u101c\u1030\u101e\u102d\u1019\u103b\u102c\u1038\u101e\u100a\u103a\u104b.<\/p>\n<p>\u1019\u103e\u1010\u103a\u101e\u102c\u1038\u1011\u102c\u1038\u101b\u1014\u103a \u1021\u101b\u1031\u1038\u1000\u103c\u102e\u1038\u101e\u1031\u102c\u1021\u1001\u103b\u1000\u103a\u1019\u103e\u102c-<\/p>\n<ul>\n<li><strong>NFPA<\/strong> \u101e\u100a\u103a 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\u1005\u103b\u1031\u1038\u1000\u103d\u1000\u103a\u101e\u100a\u103a \u201cUL\u201d \u101e\u100a\u103a \u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u101e\u1031\u102c \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u1000\u1032\u1037\u101e\u102d\u102f\u1037 \u1019\u1000\u103c\u102c\u1001\u100f\u1015\u103c\u1031\u102c\u1006\u102d\u102f\u101c\u1031\u1037\u101b\u103e\u102d\u101e\u100a\u103a\u104b \u1021\u1019\u103e\u1014\u103a\u1010\u1000\u101a\u103a\u1010\u103d\u1004\u103a\u104a \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1005\u100a\u103a\u1038\u1000\u1019\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c\u101a\u102f\u1010\u1039\u1010\u102d\u101e\u100a\u103a \u1015\u102d\u102f\u1019\u102d\u102f\u1000\u103b\u101a\u103a\u1015\u103c\u1014\u1037\u103a\u101e\u100a\u103a- OSHA \u101e\u100a\u103a \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1014\u101a\u103a\u1015\u101a\u103a\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1013\u102c\u1010\u103a\u1001\u103d\u1032\u1001\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101e\u100a\u103a\u104b.<\/p>\n<h2>\u1021\u1018\u101a\u103a\u1000\u103c\u1031\u102c\u1004\u1037\u103a\u1024\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038 \u101b\u103e\u102f\u1015\u103a\u1011\u103d\u1031\u1038\u101b\u101e\u1014\u100a\u103a\u1038\u104b<\/h2>\n<p>\u101b\u103e\u102f\u1015\u103a\u1011\u103d\u1031\u1038\u1019\u103e\u102f\u101e\u100a\u103a \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u101e\u102f\u1036\u1038\u101b\u1015\u103a\u1021\u1014\u1000\u103a\u1019\u103e \u1010\u1005\u103a\u1001\u102f\u1000\u103c\u1031\u102c\u1004\u1037\u103a \u1016\u103c\u1005\u103a\u101c\u1031\u1037\u101b\u103e\u102d\u101e\u100a\u103a\u104b<\/p>\n<h3>1. \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u201cbreaker \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u201d \u1000\u102d\u102f \u1019\u1010\u1030\u100a\u102e\u101e\u1031\u102c\u1021\u101b\u102c\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1006\u102d\u102f\u101c\u102d\u102f\u101b\u1014\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1000\u103c\u101e\u100a\u103a\u104b<\/h3>\n<p>\u1010\u1005\u103a\u1001\u102b\u1010\u1005\u103a\u101b\u1036 \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u1006\u102d\u102f\u101c\u102d\u102f\u101e\u100a\u103a\u1019\u103e\u102c-<\/p>\n<ul>\n<li>\u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u102c\u101b\u1004\u103a\u1038\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038<\/li>\n<li>\u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1010\u100a\u103a\u1006\u1031\u102c\u1000\u103a\u1019\u103e\u102f\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038<\/li>\n<li>\u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1000\u102f\u1012\u103a<\/li>\n<li>\u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1019\u103e\u102f\u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a<\/li>\n<\/ul>\n<p>\u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a \u1010\u1030\u100a\u102e\u101e\u1031\u102c\u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b.<\/p>\n<h3>2. UL 489 \u1014\u103e\u1004\u1037\u103a UL 1066 \u1014\u103e\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u101e\u100a\u103a \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a breakers \u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u101e\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u101e\u100a\u103a\u104b<\/h3>\n<p>\u104e\u1004\u103a\u1038\u101e\u100a\u103a \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u1000\u102d\u102f \u1006\u1004\u103a\u1010\u1030\u101e\u100a\u103a\u101f\u102f \u1011\u1004\u103a\u101b\u101e\u1031\u102c\u103a\u101c\u100a\u103a\u1038 \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a \u1019\u1010\u1030\u100a\u102e\u101e\u1031\u102c breaker \u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101b\u100a\u103a\u101b\u103d\u101a\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>3. NEMA AB \u1014\u103e\u1004\u1037\u103a IEEE C37 \u1014\u103e\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u101e\u100a\u103a \u1005\u102e\u1038\u101b\u102e\u1038\u1019\u103b\u102c\u1038\u1016\u103c\u1005\u103a\u1015\u103c\u102e\u1038 \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b<\/h3>\n<p>\u101c\u1030\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u201cNEMA AB\u201d \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u201cIEEE C37\u201d \u101f\u102f \u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u101e\u1031\u102c\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u1000\u1032\u1037\u101e\u102d\u102f\u1037 \u1015\u103c\u1031\u102c\u1006\u102d\u102f\u1000\u103c\u101e\u100a\u103a\u104b \u1021\u1019\u103e\u1014\u103a\u1010\u1000\u101a\u103a\u1010\u103d\u1004\u103a\u104a \u1021\u1019\u100a\u103a\u1014\u103e\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u101e\u100a\u103a \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101b\u100a\u103a\u100a\u103d\u103e\u1014\u103a\u1038\u101e\u100a\u103a\u104b.<\/p>\n<h3>4. NEC \u101e\u100a\u103a \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u101b\u103e\u102f\u1015\u103a\u1011\u103d\u1031\u1038\u101e\u100a\u103a\u104b<\/h3>\n<p>\u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b NEC \u101e\u100a\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1000\u102f\u1012\u103a\u1016\u103c\u1005\u103a\u1015\u103c\u102e\u1038 \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u102c\u101b\u1004\u103a\u1038\u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b.<\/p>\n<h2>UL 489 \u1006\u102d\u102f\u101e\u100a\u103a\u1019\u103e\u102c \u1021\u1018\u101a\u103a\u1014\u100a\u103a\u1038\u104b<\/h2>\n<p><strong>\u1021\u1006\u102d\u102f\u1015\u102b \u1044\u1048\u1049<\/strong> \u101e\u100a\u103a \u101e\u102c\u1019\u1014\u103a molded-case circuit breakers \u1019\u103b\u102c\u1038\u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038 \u1015\u103c\u1031\u102c\u1006\u102d\u102f\u101e\u1031\u102c\u1021\u1001\u102b \u101c\u1030\u1021\u1019\u103b\u102c\u1038\u1005\u102f\u1000 \u1010\u103d\u1031\u1038\u1010\u1031\u102c\u101e\u100a\u1037\u103a \u1021\u1013\u102d\u1000\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1018\u1031\u1038\u1000\u1004\u103a\u1038\u101c\u102f\u1036\u1001\u103c\u102f\u1036\u101b\u1031\u1038\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>UL Solutions \u104f\u1021\u1006\u102d\u102f\u1021\u101b UL 489 \u101e\u100a\u103a-<\/p>\n<ul>\n<li>molded-case circuit breakers<\/li>\n<li>molded-case \u1001\u101c\u102f\u1010\u103a\u1019\u103b\u102c\u1038<\/li>\n<li>circuit-breaker \u1021\u1000\u102c\u1021\u101b\u1036\u1019\u103b\u102c\u1038<\/li>\n<\/ul>\n<p>\u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1012\u102e\u1007\u102d\u102f\u1004\u103a\u1038\u1021\u101b \u1024\u101e\u100a\u103a\u1019\u103e\u102c \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1014\u103e\u1004\u1037\u103a \u1021\u1019\u103b\u102c\u1038\u1006\u102f\u1036\u1038\u1006\u1000\u103a\u1005\u1015\u103a\u101e\u100a\u1037\u103a \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b<\/p>\n<ul>\n<li>panelboard breakers<\/li>\n<li>\u101e\u1031\u1038\u1004\u101a\u103a\u101e\u1031\u102c\u1014\u103e\u1004\u1037\u103a molded-case \u100c\u102c\u1014\u1001\u103d\u1032\u1000\u102d\u101b\u102d\u101a\u102c\u1019\u103b\u102c\u1038\u1005\u103d\u102c<\/li>\n<li>\u1015\u102f\u1036\u1019\u103e\u1014\u103a\u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a\u1016\u103c\u1014\u1037\u103a\u1016\u103c\u1030\u1038\u1019\u103e\u102f\u1010\u103d\u1004\u103a feeder breakers<\/li>\n<li>\u1018\u102f\u1036\u1005\u102e\u1038\u1015\u103d\u102c\u1038\u1016\u103c\u1005\u103a\u1014\u103e\u1004\u1037\u103a \u1005\u1000\u103a\u1019\u103e\u102f\u1005\u1014\u1005\u103a\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1005\u1036 overcurrent \u1000\u102c\u1000\u103d\u101a\u103a\u101b\u1031\u1038\u1000\u102d\u101b\u102d\u101a\u102c\u1019\u103b\u102c\u1038\u1021\u1016\u103c\u1005\u103a \u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u101b\u1014\u103a \u1019\u103b\u103e\u1031\u102c\u103a\u101c\u1004\u1037\u103a\u1011\u102c\u1038\u101e\u1031\u102c breaker \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1019\u103b\u102c\u1038<\/li>\n<\/ul>\n<p>\u1024\u101e\u100a\u103a\u1019\u103e\u102c UL 489 \u101e\u100a\u103a \u101d\u101a\u103a\u101e\u1030\u1021\u1019\u103b\u102c\u1038\u1005\u102f\u1000 \u1016\u1031\u102c\u103a\u1015\u103c\u1019\u100a\u1037\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1014\u102e\u1038\u1000\u1015\u103a\u1005\u103d\u102c\u1010\u100a\u103a\u101b\u103e\u102d\u101b\u101e\u100a\u1037\u103a \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b <a href=\"https:\/\/test.viox.com\/my\/mcb\/\">\u1010\u1000\u1039\u1000\u102d\u102f<\/a> \u1014\u103e\u1004\u1037\u103a <a href=\"https:\/\/test.viox.com\/my\/mccb\/\">MCCB<\/a> \u1005\u103b\u1031\u1038\u1000\u103d\u1000\u103a\u1018\u102c\u101e\u102c\u1005\u1000\u102c\u1038\u1010\u103d\u1004\u103a\u104a \u1010\u102d\u1000\u103b\u101e\u1031\u102c\u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u1019\u103c\u1031\u1015\u102f\u1036\u1006\u103d\u1032\u1001\u103c\u1004\u103a\u1038\u101e\u100a\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1012\u102e\u1007\u102d\u102f\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1005\u102c\u101b\u1004\u103a\u1038\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1015\u1031\u102b\u103a\u1010\u103d\u1004\u103a \u1019\u1030\u1010\u100a\u103a\u101e\u1031\u102c\u103a\u101c\u100a\u103a\u1038\u104b.<\/p>\n<p>\u1011\u102d\u102f\u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u101b\u102c\u104f \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1018\u1000\u103a\u1000\u102d\u102f \u101e\u1004\u103a\u101c\u102d\u102f\u1001\u103b\u1004\u103a\u1015\u102b\u1000\u104a, <a href=\"https:\/\/test.viox.com\/my\/full-guide-to-molded-case-circuit-breakers-mccbs\/\">Molded Case Circuit Breakers (MCCBs) \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1021\u1015\u103c\u100a\u1037\u103a\u1021\u1005\u102f\u1036<\/a> \u1019\u103e\u1014\u103a\u1000\u1014\u103a\u101e\u1031\u102c \u1010\u103d\u1032\u1016\u1000\u103a\u1005\u102c\u1019\u103b\u1000\u103a\u1014\u103e\u102c\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h2>UL 1066 \u1006\u102d\u102f\u101e\u100a\u103a\u1037 \u1021\u1013\u102d\u1015\u1039\u1015\u102b\u101a\u103a<\/h2>\n<p><strong>UL 1066<\/strong> \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1014\u103e\u1004\u1037\u103a \u101e\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u101e\u100a\u103a <strong>\u1021\u1000\u102c\u1021\u101b\u1036\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u1031\u102c \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a AC \u1014\u103e\u1004\u1037\u103a DC \u1015\u102b\u101d\u102b \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038<\/strong>.<\/p>\n<p>\u104e\u1004\u103a\u1038\u101e\u100a\u103a UL 489 \u1014\u103e\u1004\u1037\u103a \u1021\u1019\u103b\u102c\u1038\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a \u1006\u1000\u103a\u1005\u1015\u103a\u1014\u1031\u101e\u1031\u102c \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1014\u103e\u1004\u1037\u103a \u1019\u1010\u1030\u100a\u102e\u101e\u1031\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1005\u1014\u1005\u103a\u1012\u102e\u1007\u102d\u102f\u1004\u103a\u1038\u1010\u103d\u1004\u103a UL 1066 \u101e\u100a\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1014\u103e\u1004\u1037\u103a \u1015\u102d\u102f\u1019\u102d\u102f\u1014\u102e\u1038\u1000\u1015\u103a\u1005\u103d\u102c \u1001\u103b\u102d\u1010\u103a\u1006\u1000\u103a\u1011\u102c\u1038\u101e\u100a\u103a-<\/p>\n<ul>\n<li>switchgear<\/li>\n<li>\u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038<\/li>\n<li>\u1015\u102d\u102f\u1000\u103c\u102e\u1038\u101e\u1031\u102c \u1021\u1013\u102d\u1000\u1014\u103e\u1004\u1037\u103a \u1001\u103b\u102d\u1010\u103a\u1006\u1000\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1021\u101e\u102f\u1036\u1038\u1001\u103b\u1019\u103e\u102f\u1019\u103b\u102c\u1038<\/li>\n<li>\u1006\u103d\u1032\u1011\u102f\u1010\u103a\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u102c \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1021\u1000\u102c\u1021\u101b\u1036\u1021\u1001\u103c\u1031\u1001\u1036 \u1015\u102b\u101d\u102b\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1019\u103b\u102c\u1038<\/li>\n<\/ul>\n<p>UL Solutions \u1019\u103e \u1021\u101b\u1031\u1038\u1000\u103c\u102e\u1038\u101e\u1031\u102c \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1001\u103c\u102c\u1038\u1014\u102c\u1038\u1001\u103b\u1000\u103a\u1000\u102d\u102f\u101c\u100a\u103a\u1038 \u1019\u103e\u1010\u103a\u101e\u102c\u1038\u1011\u102c\u1038\u101e\u100a\u103a- \u1024\u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u101e\u100a\u103a <strong>NEC \u1019\u103e \u101c\u102d\u102f\u1021\u1015\u103a\u101e\u1031\u102c \u1018\u101b\u1014\u1037\u103a\u1001\u103a\u103b\u1006\u102c\u1038\u1000\u1005\u103a \u1021\u102d\u102f\u1017\u102c\u1000\u102c\u101b\u1014\u1037\u103a\u1000\u102c\u1000\u103d\u101a\u103a\u101b\u1031\u1038\u1000\u102d\u102f \u1015\u1031\u1038\u101b\u1014\u103a \u101b\u100a\u103a\u101b\u103d\u101a\u103a\u1011\u102c\u1038\u1001\u103c\u1004\u103a\u1038 \u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b<\/strong> UL 489 \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u1000\u1032\u1037\u101e\u102d\u102f\u1037 \u1021\u101c\u102c\u1038\u1010\u1030\u1014\u100a\u103a\u1038\u101c\u1019\u103a\u1038\u1016\u103c\u1004\u1037\u103a \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u201cUL 1066 \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u201d \u1021\u1005\u102c\u1038 \u201cUL 489 \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u201d \u1000\u102d\u102f \u1015\u1031\u102b\u1037\u1015\u1031\u102b\u1037\u1010\u1014\u103a\u1010\u1014\u103a \u1021\u1005\u102c\u1038\u1011\u102d\u102f\u1038\u1019\u101e\u102f\u1036\u1038\u101e\u1004\u1037\u103a\u101e\u100a\u1037\u103a \u1021\u101b\u1031\u1038\u1000\u103c\u102e\u1038\u1006\u102f\u1036\u1038\u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u1019\u103b\u102c\u1038\u1011\u1032\u1019\u103e \u1010\u1005\u103a\u1001\u102f\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>\u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1019\u102d\u101e\u102c\u1038\u1005\u102f \u101b\u103e\u102f\u1011\u1031\u102c\u1004\u1037\u103a\u1021\u1010\u103d\u1000\u103a \u1024\u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u101b\u102c\u101e\u100a\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1014\u103e\u1004\u1037\u103a \u101e\u1018\u102c\u101d\u1000\u103b\u1000\u103b \u1015\u102d\u102f\u1019\u102d\u102f\u1011\u1015\u103a\u1010\u1030\u1000\u103b\u101e\u100a\u103a <a href=\"https:\/\/test.viox.com\/my\/acb\/\">ACB<\/a> \u1014\u103e\u1004\u1037\u103a \u1015\u102d\u102f\u1019\u102d\u102f\u1000\u103b\u101a\u103a\u1015\u103c\u1014\u1037\u103a\u101e\u1031\u102c <a href=\"https:\/\/test.viox.com\/my\/complete-guide-to-air-circuit-breakers-acb\/\">Air Circuit Breakers (ACB) \u1021\u1010\u103d\u1000\u103a \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a\u1021\u1015\u103c\u100a\u1037\u103a\u1021\u1005\u102f\u1036<\/a>, \u1021\u1018\u101a\u103a\u1000\u103c\u1031\u102c\u1004\u1037\u103a\u1006\u102d\u102f\u101e\u1031\u102c\u103a \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1006\u103d\u1031\u1038\u1014\u103d\u1031\u1038\u1019\u103e\u102f\u1019\u103b\u102c\u1038\u1005\u103d\u102c\u101e\u100a\u103a \u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1010\u103d\u1004\u103a \u1011\u102d\u102f\u1014\u1031\u101b\u102c\u1010\u103d\u1004\u103a \u101b\u1031\u102c\u1000\u103a\u101b\u103e\u102d\u101e\u103d\u102c\u1038\u101e\u1031\u102c\u1000\u103c\u1031\u102c\u1004\u1037\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h2>UL 489 \u1014\u103e\u1004\u1037\u103a UL 1066- \u1021\u1019\u103e\u1014\u103a\u1010\u1000\u101a\u103a \u1000\u103d\u102c\u1001\u103c\u102c\u1038\u1001\u103b\u1000\u103a<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Comparison-infographic-showing-the-differences-between-UL-489-and-UL-1066-breaker-applications.webp\" alt=\"Comparison infographic showing the differences between UL 489 and UL 1066 breaker applications\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1021\u101e\u102f\u1036\u1038\u1001\u103b\u1019\u103e\u102f\u1019\u103b\u102c\u1038 (UL 489 \/ NEMA AB) \u1014\u103e\u1004\u1037\u103a \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1021\u101e\u102f\u1036\u1038\u1001\u103b\u1019\u103e\u102f\u1019\u103b\u102c\u1038 (UL 1066 \/ IEEE C37) \u1000\u102d\u102f \u1014\u103e\u102d\u102f\u1004\u103a\u1038\u101a\u103e\u1009\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u101b\u1031\u1038\u1011\u102d\u102f\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1019\u103c\u1031\u1015\u102f\u1036\u104b.<\/figcaption><\/figure>\n<p>\u1021\u101e\u102f\u1036\u1038\u101d\u1004\u103a\u1006\u102f\u1036\u1038 \u1001\u103c\u102c\u1038\u1014\u102c\u1038\u1001\u103b\u1000\u103a\u1019\u103e\u102c \u201c\u1018\u101a\u103a\u101f\u102c\u1000 \u1015\u102d\u102f\u1000\u1031\u102c\u1004\u103a\u1038\u101c\u1032\u201d \u1019\u101f\u102f\u1010\u103a\u1018\u1032\u104a <strong>\u101e\u1004\u103a\u1021\u1019\u103e\u1014\u103a\u1010\u1000\u101a\u103a \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1014\u1031\u101e\u1031\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b<\/strong>.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">\u1021\u1010\u102d\u102f\u1004\u103a\u1038\u1021\u1010\u102c<\/th>\n<th style=\"padding: 8px;\">\u1021\u1006\u102d\u102f\u1015\u102b \u1044\u1048\u1049<\/th>\n<th style=\"padding: 8px;\">UL 1066<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u1019\u1030\u101c\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1019\u102d\u101e\u102c\u1038\u1005\u102f<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1019\u102d\u101e\u102c\u1038\u1005\u102f<\/td>\n<td style=\"padding: 8px;\">\u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1019\u102d\u101e\u102c\u1038\u1005\u102f<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u1015\u102f\u1036\u1019\u103e\u1014\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f \u1021\u1001\u103c\u1031\u1021\u1014\u1031<\/strong><\/td>\n<td style=\"padding: 8px;\">Panelboard \u1019\u103b\u102c\u1038\u104a \u1018\u101b\u1014\u1037\u103a\u1001\u103a\u103b\u1014\u103e\u1004\u1037\u103a \u1016\u102e\u1012\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1019\u103b\u102c\u1038\u104a \u1005\u1036\u1016\u103c\u1014\u1037\u103a\u1016\u103c\u1030\u1038\u101b\u1031\u1038\u1005\u1014\u1005\u103a\u1019\u103b\u102c\u1038<\/td>\n<td style=\"padding: 8px;\">\u1006\u103d\u1005\u103a\u1002\u102e\u101a\u102c\u104a \u1019\u102e\u1038\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u104a \u1001\u103b\u102d\u1010\u103a\u1006\u1000\u103a\u1019\u103e\u102f\u1019\u103b\u102c\u1038\u104a \u1015\u102d\u102f\u1000\u103c\u102e\u1038\u101e\u1031\u102c \u1015\u102b\u101d\u102b\u1016\u103c\u1014\u1037\u103a\u1016\u103c\u1030\u1038\u101b\u1031\u1038 \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1019\u103b\u102c\u1038<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Protection role<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1005\u1036 \u1018\u101b\u1014\u1037\u103a\u1001\u103a\u103b\/\u1016\u102e\u1012\u102b \u1021\u102d\u102f\u1017\u102c\u1000\u102c\u101b\u1014\u1037\u103a \u1000\u102c\u1000\u103d\u101a\u103a\u101b\u1031\u1038\u1000\u102d\u101b\u102d\u101a\u102c\u1021\u1016\u103c\u1005\u103a \u1021\u1019\u103b\u102c\u1038\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u100a\u103a<\/td>\n<td style=\"padding: 8px;\">\u1021\u1000\u102c\u1021\u101b\u1036\u1014\u103e\u1004\u1037\u103a \u1006\u103d\u1005\u103a\u1002\u102e\u101a\u102c \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1010\u103d\u1004\u103a \u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1021\u1016\u103c\u1005\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u100a\u103a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u1015\u102f\u1036\u1019\u103e\u1014\u103a \u1008\u1031\u1038\u1000\u103d\u1000\u103a\u1006\u1000\u103a\u1005\u1015\u103a\u1019\u103e\u102f<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1008\u1031\u1038\u1000\u103d\u1000\u103a\u104f MCB \/ MCCB \u1018\u1000\u103a<\/td>\n<td style=\"padding: 8px;\">\u1008\u1031\u1038\u1000\u103d\u1000\u103a\u104f LV \u1015\u102b\u101d\u102b\u1018\u101b\u102d\u1010\u103a\u1000\u102c \/ ACB \u1018\u1000\u103a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1000\u102d\u102f \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1014\u103e\u1004\u1037\u103a \u1010\u102d\u102f\u1000\u103a\u101b\u102d\u102f\u1000\u103a\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u101a\u103e\u1009\u103a\u101e\u1031\u102c\u1021\u1001\u102b \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u101e\u1010\u102d\u1011\u102c\u1038\u101e\u1004\u1037\u103a\u101e\u100a\u1037\u103a \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u101c\u100a\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u104a \u101b\u102f\u1015\u103a\u1015\u102d\u102f\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1010\u100a\u103a\u1006\u1031\u102c\u1000\u103a\u1019\u103e\u102f\u104a \u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1019\u103e\u102f \u1019\u103b\u103e\u1031\u102c\u103a\u101c\u1004\u1037\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u101b\u100a\u103a\u101b\u103d\u101a\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1021\u101e\u102f\u1036\u1038\u1001\u103b\u1019\u103e\u102f\u1010\u102d\u102f\u1037\u101e\u100a\u103a \u1010\u1030\u100a\u102e\u1001\u103c\u1004\u103a\u1038\u1019\u101b\u103e\u102d\u1015\u102b\u104b.<\/p>\n<h2>\u201cNEMA AB\u201d \u1006\u102d\u102f\u101e\u100a\u103a\u1037 \u1021\u1013\u102d\u1015\u1039\u1015\u102b\u101a\u103a<\/h2>\n<p>\u1024\u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u101b\u102c\u1010\u103d\u1004\u103a \u1021\u101e\u102f\u1036\u1038\u101d\u1004\u103a\u1006\u102f\u1036\u1038 \u101b\u103e\u1004\u103a\u1038\u101c\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1011\u1032\u1019\u103e \u1010\u1005\u103a\u1001\u102f\u1019\u103e\u102c <strong>NEMA AB \u101e\u100a\u103a UL \u1014\u103e\u1004\u1037\u103a \u101a\u103e\u1009\u103a\u1015\u103c\u102d\u102f\u1004\u103a\u101e\u100a\u1037\u103a \u1005\u1036\u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038 \u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b<\/strong>.<\/p>\n<p>\u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1021\u102f\u1015\u103a\u1005\u102f\u1014\u103e\u1004\u1037\u103a \u1001\u103b\u102d\u1010\u103a\u1006\u1000\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>NEMA AB 1<\/h3>\n<p>\u101e\u1019\u102d\u102f\u1004\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u101b\u104a, <strong>NEMA AB 1<\/strong> \u101e\u100a\u103a \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1016\u103c\u1005\u103a\u1015\u103c\u102e\u1038 \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1014\u103e\u1004\u1037\u103a \u1021\u1014\u102e\u1038\u1000\u1015\u103a\u1006\u102f\u1036\u1038 \u1006\u1000\u103a\u1005\u1015\u103a\u1014\u1031\u101e\u1031\u102c \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b <strong>\u1021\u1006\u102d\u102f\u1015\u102b \u1044\u1048\u1049<\/strong>. \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u1005\u103d\u102c\u1000 \u104e\u1004\u103a\u1038\u1000\u102d\u102f \u101a\u1001\u102f\u1011\u102d \u1016\u1031\u102c\u103a\u1015\u103c\u1014\u1031\u1000\u103c\u1006\u1032\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104a \u1021\u1018\u101a\u103a\u1000\u103c\u1031\u102c\u1004\u1037\u103a\u1006\u102d\u102f\u101e\u1031\u102c\u103a \u101e\u1000\u103a\u1010\u1019\u103a\u1038\u101b\u1004\u1037\u103a \u1005\u102c\u1015\u1031\u1019\u103b\u102c\u1038\u104a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u101e\u100a\u103a UL 489 \u1014\u103e\u1004\u1037\u103a\u1021\u1010\u1030 AB 1 \u1018\u102c\u101e\u102c\u1005\u1000\u102c\u1038\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1011\u102c\u1038\u101e\u1031\u102c\u1000\u103c\u1031\u102c\u1004\u1037\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>\u101e\u102d\u102f\u1037\u101e\u1031\u102c\u103a \u101c\u1000\u103a\u101b\u103e\u102d \u1019\u103c\u1031\u102c\u1000\u103a\u1021\u1019\u1031\u101b\u102d\u1000 \u1021\u101c\u1031\u1037\u1021\u1000\u103b\u1004\u1037\u103a\u1010\u103d\u1004\u103a \u1015\u102d\u102f\u1019\u102d\u102f\u1021\u101b\u1031\u1038\u1000\u103c\u102e\u1038\u101e\u1031\u102c\u1021\u1001\u103b\u1000\u103a\u1019\u103e\u102c \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1000\u102d\u102f \u101a\u1001\u102f\u1021\u1001\u102b \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1019\u103e\u1010\u1005\u103a\u1006\u1004\u1037\u103a \u1021\u1019\u103b\u102c\u1038\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a \u1014\u102c\u1038\u101c\u100a\u103a\u101e\u1018\u1031\u102c\u1015\u1031\u102b\u1000\u103a\u1000\u103c\u101e\u100a\u103a\u104b <strong>\u101e\u102f\u1036\u1038\u1014\u102d\u102f\u1004\u103a\u1004\u1036 UL 489 \/ CSA C22.2 No. 5 \/ NMX-J-266-ANCE \u100a\u103e\u102d\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u1019\u103e\u102f<\/strong>. \u1011\u102d\u102f\u1037\u1000\u103c\u1031\u102c\u1004\u1037\u103a \u101e\u1000\u103a\u1010\u1019\u103a\u1038\u101b\u1004\u1037\u103a \u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a AB 1 \u1000\u102d\u102f \u1016\u1031\u102c\u103a\u1015\u103c\u1011\u102c\u1038\u101e\u100a\u103a\u1000\u102d\u102f \u101e\u1004\u103a\u1010\u103d\u1031\u1037\u1015\u102b\u1000 \u104e\u1004\u103a\u1038\u1000\u102d\u102f \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038 \u101e\u1019\u102d\u102f\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1019\u102d\u101e\u102c\u1038\u1005\u102f \u1019\u103b\u102d\u102f\u1038\u101b\u102d\u102f\u1038\u104f \u1021\u1005\u102d\u1010\u103a\u1021\u1015\u102d\u102f\u1004\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u1021\u1016\u103c\u1005\u103a \u1019\u103e\u1010\u103a\u101a\u1030\u1015\u102b\u104a \u101e\u1004\u103a\u1021\u102c\u1038\u1000\u102d\u102f\u1038\u101b\u1014\u103a \u101c\u102d\u102f\u1021\u1015\u103a\u101e\u1031\u102c \u101c\u1000\u103a\u101b\u103e\u102d \u1021\u1010\u102d\u102f\u1000\u1031\u102c\u1000\u103a\u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u1021\u1016\u103c\u1005\u103a \u1019\u1019\u103e\u1010\u103a\u101a\u1030\u1015\u102b\u1014\u103e\u1004\u1037\u103a\u104b.<\/p>\n<h3>NEMA AB 4<\/h3>\n<p>NEMA AB 4 \u101e\u100a\u103a \u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1019\u103e\u102f \u1026\u1038\u1010\u100a\u103a\u101e\u1031\u102c \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1005\u102e\u1038\u1015\u103d\u102c\u1038\u1016\u103c\u1005\u103a\u1014\u103e\u1004\u1037\u103a \u1005\u1000\u103a\u1019\u103e\u102f\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u101e\u102f\u1036\u1038 \u1021\u101e\u102f\u1036\u1038\u1001\u103b\u1019\u103e\u102f\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u1031\u102c \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u104f \u1005\u1005\u103a\u1006\u1031\u1038\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1000\u103c\u102d\u102f\u1010\u1004\u103a\u1000\u102c\u1000\u103d\u101a\u103a\u101e\u100a\u1037\u103a \u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1019\u103e\u102f\u1021\u1010\u103d\u1000\u103a \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u1015\u1031\u1038\u1015\u102b\u101e\u100a\u103a\u104b.<\/p>\n<p>\u104e\u1004\u103a\u1038\u101e\u100a\u103a AB 4 \u1000\u102d\u102f \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1021\u1010\u103d\u1000\u103a \u1021\u101e\u102f\u1036\u1038\u101d\u1004\u103a\u1005\u1031\u101e\u100a\u103a-<\/p>\n<ul>\n<li>\u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1019\u103e\u102f \u1021\u1005\u102e\u1021\u1005\u1009\u103a\u1019\u103b\u102c\u1038<\/li>\n<li>\u1021\u1006\u1031\u102c\u1000\u103a\u1021\u1026 \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c<\/li>\n<li>\u1005\u102e\u1038\u1015\u103d\u102c\u1038\u1016\u103c\u1005\u103a\u1014\u103e\u1004\u1037\u103a \u1005\u1000\u103a\u1019\u103e\u102f\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1005\u1005\u103a\u1006\u1031\u1038\u1001\u103c\u1004\u103a\u1038 \u1005\u102e\u1019\u1036\u1001\u103b\u1000\u103a<\/li>\n<\/ul>\n<h3>\u1021\u1001\u103c\u102c\u1038 NEMA AB \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038<\/h3>\n<p>\u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1021\u1015\u102b\u1021\u101d\u1004\u103a \u1021\u1001\u103c\u102c\u1038 AB-\u1005\u102e\u1038\u101b\u102e\u1038 \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u101c\u100a\u103a\u1038 \u101b\u103e\u102d\u1015\u102b\u101e\u100a\u103a-<\/p>\n<ul>\n<li><strong>AB 3<\/strong> \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1021\u101e\u102f\u1036\u1038\u1001\u103b\u1019\u103e\u102f \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a\u1021\u1010\u103d\u1000\u103a<\/li>\n<li><strong>AB 4<\/strong> \u1005\u1005\u103a\u1006\u1031\u1038\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1000\u103c\u102d\u102f\u1010\u1004\u103a\u1000\u102c\u1000\u103d\u101a\u103a\u101e\u100a\u1037\u103a \u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1019\u103e\u102f\u1021\u1010\u103d\u1000\u103a<\/li>\n<li><strong>AB 5<\/strong> \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1005\u1014\u1005\u103a\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u101b\u103d\u1031\u1038\u1001\u103b\u101a\u103a\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u102c \u100a\u103e\u102d\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u1019\u103e\u102f \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a\u1021\u1010\u103d\u1000\u103a<\/li>\n<\/ul>\n<p>\u1021\u1013\u102d\u1000\u1021\u1001\u103b\u1000\u103a\u1019\u103e\u102c \u201cNEMA AB\u201d \u1000\u102d\u102f \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1021\u1010\u102d\u102f\u1004\u103a\u1038 \u1016\u1010\u103a\u101e\u1004\u1037\u103a\u101e\u100a\u103a <strong>\u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1000\u1031\u1037\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u104f \u1019\u102d\u101e\u102c\u1038\u1005\u102f<\/strong>, UL\u104a NEC \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u101c\u1000\u103a\u101b\u103e\u102d \u1019\u103c\u1031\u102c\u1000\u103a\u1021\u1019\u1031\u101b\u102d\u1000 \u1021\u101c\u1031\u1037\u1021\u1000\u103b\u1004\u1037\u103a\u1010\u103d\u1004\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u1031\u102c \u101e\u102f\u1036\u1038\u1014\u102d\u102f\u1004\u103a\u1004\u1036 \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1000\u102d\u102f \u1021\u1005\u102c\u1038\u1011\u102d\u102f\u1038\u101e\u100a\u1037\u103a \u1010\u1036\u1006\u102d\u1015\u103a\u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u1021\u1016\u103c\u1005\u103a \u1019\u1016\u1010\u103a\u101e\u1004\u1037\u103a\u1015\u102b\u104b.<\/p>\n<h2>IEEE C37 \u1019\u100a\u103a\u101e\u100a\u1037\u103a\u1014\u1031\u101b\u102c\u1010\u103d\u1004\u103a \u1021\u1036\u101d\u1004\u103a\u1001\u103d\u1004\u103a\u1000\u103b\u1016\u103c\u1005\u103a\u101e\u1014\u100a\u103a\u1038<\/h2>\n<p>NEMA AB \u101e\u100a\u103a US \u1002\u1031\u101f\u1005\u1014\u1005\u103a\u104f \u1015\u102f\u1036\u101e\u103d\u1004\u103a\u1038\u1011\u102c\u1038\u101e\u1031\u102c \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1018\u1000\u103a\u1016\u103c\u1005\u103a\u1015\u102b\u1000\u104a, <strong>IEEE C37<\/strong> \u101e\u100a\u103a \u1021\u1013\u102d\u1000 \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a\u1014\u103e\u1004\u1037\u103a \u1021\u101c\u101a\u103a\u1021\u101c\u1010\u103a\u1017\u102d\u102f\u1037\u1021\u102c\u1038 \u1015\u102b\u101d\u102b\u1006\u103d\u1005\u103a\u1002\u102e\u101a\u102c \u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1018\u1000\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>\u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b\u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1006\u103d\u1031\u1038\u1014\u103d\u1031\u1038\u1019\u103e\u102f\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1021\u101e\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u1006\u102f\u1036\u1038 C37 \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1021\u1019\u103b\u102c\u1038\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037 \u1015\u102b\u101d\u1004\u103a\u101e\u100a\u103a-<\/p>\n<ul>\n<li><strong>IEEE C37.13<\/strong> \u1021\u1000\u102c\u1021\u101b\u1036\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u1031\u102c \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a AC \u1015\u102b\u101d\u102b \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a<\/li>\n<li><strong>IEEE C37.14<\/strong> \u1021\u1000\u102c\u1021\u101b\u1036\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u1031\u102c \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a DC \u1015\u102b\u101d\u102b \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a<\/li>\n<li><strong>IEEE C37.16<\/strong> \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1026\u1038\u1005\u102c\u1038\u1015\u1031\u1038\u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1021\u1000\u103c\u1036\u1015\u103c\u102f\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a<\/li>\n<li><strong>IEEE C37.17<\/strong> \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1001\u101b\u102e\u1038\u1005\u1009\u103a\u1005\u1014\u1005\u103a\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a<\/li>\n<li><strong>IEEE C37.20.1<\/strong> \u101e\u1010\u1039\u1010\u102f\u1016\u103c\u1004\u1037\u103a\u1000\u102c\u101b\u1036\u1011\u102c\u1038\u101e\u1031\u102c \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c\u1021\u1010\u103d\u1000\u103a<\/li>\n<li><strong>ANSI\/NEMA C37.50<\/strong> \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a AC \u1015\u102b\u101d\u102b \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1001\u103c\u1004\u103a\u1038 \u101c\u102f\u1015\u103a\u1011\u102f\u1036\u1038\u101c\u102f\u1015\u103a\u1014\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a<\/li>\n<li><strong>ANSI\/NEMA C37.51<\/strong> \u101e\u1010\u1039\u1010\u102f\u1016\u103c\u1004\u1037\u103a\u1000\u102c\u101b\u1036\u1011\u102c\u1038\u101e\u1031\u102c \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b \u1006\u102c\u1038\u1000\u1005\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1000\u102d\u102f\u1000\u103a\u100a\u102e\u1019\u103e\u102f \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1001\u103c\u1004\u103a\u1038 \u101c\u102f\u1015\u103a\u1011\u102f\u1036\u1038\u101c\u102f\u1015\u103a\u1014\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a<\/li>\n<\/ul>\n<p>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1008\u1031\u1038\u1000\u103d\u1000\u103a\u1010\u103d\u1004\u103a \u1015\u103c\u1004\u103a\u1038\u1011\u1014\u103a\u101e\u1031\u102c \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u102d\u1019\u1037\u103a \u1015\u102b\u101d\u102b \u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1021\u101c\u102f\u1015\u103a\u101e\u100a\u103a \u101e\u1004\u1037\u103a\u1021\u102c\u1038 UL 1066 \u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u1011\u1000\u103a \u1000\u103b\u1031\u102c\u103a\u101c\u103d\u1014\u103a\u104d \u1015\u102d\u102f\u1019\u102d\u102f\u1000\u103b\u101a\u103a\u1015\u103c\u1014\u1037\u103a\u101e\u1031\u102c \u1021\u101b\u102c\u1019\u103b\u102c\u1038\u1011\u1032\u101e\u102d\u102f\u1037 \u1006\u103d\u1032\u101e\u103d\u1004\u103a\u1038\u101b\u1001\u103c\u1004\u103a\u1038\u104f \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u1019\u103e\u102c \u1024\u1021\u1001\u103b\u1000\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b <strong>C37 \u1019\u102d\u101e\u102c\u1038\u1005\u102f<\/strong>.<\/p>\n<h2>\u1021\u1001\u103b\u102d\u102f\u1037\u101e\u1031\u102c C37 \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1018\u101a\u103a\u1000\u103c\u1031\u102c\u1004\u1037\u103a IEEE \u101f\u102f\u1001\u1031\u102b\u103a\u1015\u103c\u102e\u1038 \u1021\u1001\u103b\u102d\u102f\u1037\u1000\u102d\u102f ANSI\/NEMA \u101f\u102f\u1001\u1031\u102b\u103a\u101e\u1014\u100a\u103a\u1038\u104b<\/h2>\n<p>\u1024\u1021\u1001\u103b\u1000\u103a\u101e\u100a\u103a \u1015\u1011\u1019\u1006\u102f\u1036\u1038\u1021\u1000\u103c\u102d\u1019\u103a\u1010\u103d\u1031\u1037\u1016\u1030\u1038\u101e\u1030\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u101b\u103e\u102f\u1015\u103a\u1011\u103d\u1031\u1038\u1005\u1031\u101e\u100a\u103a\u104b.<\/p>\n<p>\u1021\u1010\u102d\u102f\u1001\u103b\u102f\u1015\u103a\u1021\u1016\u103c\u1031\u1019\u103e\u102c <strong>C37 \u101e\u100a\u103a \u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1010\u1005\u103a\u1001\u102f\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b<\/strong>, \u101e\u102d\u102f\u1037\u101e\u1031\u102c\u103a \u1011\u102f\u1010\u103a\u101d\u1031\u101e\u100a\u1037\u103a\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1000\u102d\u102f \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1010\u102d\u102f\u1004\u103a\u1038\u1010\u103d\u1004\u103a \u1010\u1030\u100a\u102e\u1005\u103d\u102c \u1021\u1019\u103e\u1010\u103a\u1021\u101e\u102c\u1038\u1019\u1015\u103c\u102f\u1011\u102c\u1038\u1015\u102b\u104b.<\/p>\n<p>\u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1010\u103d\u1004\u103a-<\/p>\n<ul>\n<li>\u1000\u1032\u1037\u101e\u102d\u102f\u1037\u101e\u1031\u102c \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038 <strong>C37.13<\/strong>, <strong>C37.14<\/strong>, <strong>C37.17<\/strong>\u1014\u103e\u1004\u1037\u103a <strong>C37.20.1<\/strong> \u1021\u1031\u102c\u1000\u103a\u1010\u103d\u1004\u103a \u1021\u1019\u103b\u102c\u1038\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a \u1010\u103d\u1031\u1037\u101b\u101e\u100a\u103a\u104b <strong>IEEE<\/strong> \u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038<\/li>\n<li>\u1000\u1032\u1037\u101e\u102d\u102f\u1037\u101e\u1031\u102c \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038 <strong>C37.50<\/strong> \u1014\u103e\u1004\u1037\u103a <strong>C37.51<\/strong> \u1021\u1016\u103c\u1005\u103a \u1019\u1000\u103c\u102c\u1001\u100f \u1010\u103d\u1031\u1037\u101b\u101e\u100a\u103a\u104b <strong>ANSI\/NEMA<\/strong> \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038<\/li>\n<\/ul>\n<p>\u1021\u1013\u102d\u1000\u1021\u1001\u103b\u1000\u103a\u1019\u103e\u102c \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a \u1019\u1010\u1030\u100a\u102e\u101e\u1031\u102c \u1014\u100a\u103a\u1038\u1015\u100a\u102c\u1014\u101a\u103a\u1015\u101a\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1019\u101e\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u1015\u102b\u104b \u1021\u1013\u102d\u1000\u1021\u1001\u103b\u1000\u103a\u1019\u103e\u102c <strong>\u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a \u1015\u102d\u102f\u1019\u102d\u102f\u1000\u103b\u101a\u103a\u1015\u103c\u1014\u1037\u103a\u101e\u1031\u102c C37 \u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c \u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1021\u1010\u103d\u1004\u103a\u1038\u101b\u103e\u102d \u1006\u1000\u103a\u1005\u1015\u103a\u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u1016\u103c\u1005\u103a\u101e\u1031\u102c\u103a\u101c\u100a\u103a\u1038 \u1021\u1016\u102f\u1036\u1038\u1015\u1031\u102b\u103a\u1010\u103d\u1004\u103a\u1015\u103c\u1011\u102c\u1038\u101e\u1031\u102c \u1011\u102f\u1010\u103a\u101d\u1031\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u1001\u103c\u1004\u103a\u1038\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101e\u100a\u103a \u1000\u103d\u1032\u1015\u103c\u102c\u1038\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u103a\u104b<\/strong>.<\/p>\n<h2>NEC \u1000 \u1018\u102c\u1010\u103d\u1031\u101c\u102f\u1015\u103a\u101e\u101c\u1032\u104a \u1018\u102c\u1010\u103d\u1031\u1019\u101c\u102f\u1015\u103a\u1018\u1030\u1038\u101c\u1032\u104b<\/h2>\n<p>\u101f\u102d <strong>\u1021\u1019\u103b\u102d\u102f\u1038\u101e\u102c\u1038\u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1000\u102f\u1012\u103a (NEC)<\/strong> \u1010\u1015\u103a\u1006\u1004\u103a\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1000\u102f\u1012\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1012\u102e\u1007\u102d\u102f\u1004\u103a\u1014\u102c\u1019\u103b\u102c\u1038\u104a \u1010\u1015\u103a\u1006\u1004\u103a\u101e\u1030\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1005\u1005\u103a\u1006\u1031\u1038\u101b\u1031\u1038\u1019\u103e\u1030\u1038\u1019\u103b\u102c\u1038\u1021\u102c\u1038 \u101c\u103b\u103e\u1015\u103a\u1005\u1005\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1005\u1005\u103a\u1019\u103e\u1014\u103a\u101e\u1031\u102c \u1005\u1014\u1005\u103a\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1019\u100a\u103a\u101e\u102d\u102f\u1037\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101b\u1019\u100a\u103a\u1000\u102d\u102f \u1015\u103c\u1031\u102c\u1015\u103c\u101e\u100a\u103a\u104b.<\/p>\n<p>NEC \u1000 \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1010\u102c\u1010\u103d\u1031\u1000\u1010\u1031\u102c\u1037-<\/p>\n<ul>\n<li>\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u101e\u100a\u103a\u104b<\/li>\n<li>\u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u101c\u102d\u102f\u1021\u1015\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1010\u100a\u103a\u1011\u1031\u102c\u1004\u103a\u101e\u100a\u103a\u104b<\/li>\n<li>\u1005\u102c\u101b\u1004\u103a\u1038\u101e\u103d\u1004\u103a\u1038\u1015\u103c\u102e\u1038 \u1021\u100a\u103d\u103e\u1014\u103a\u1038\u1010\u1015\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u104e\u1004\u103a\u1038\u104f \u100a\u103d\u103e\u1014\u103a\u1000\u103c\u102c\u1038\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a\u1021\u100a\u102e \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101b\u1019\u100a\u1037\u103a\u1021\u1001\u103b\u102d\u1014\u103a\u1000\u102d\u102f \u1015\u103c\u1031\u102c\u1015\u103c\u101e\u100a\u103a\u104b<\/li>\n<li>\u101c\u101a\u103a\u1000\u103d\u1004\u103a\u1038\u1021\u1010\u103d\u1004\u103a\u1038\u101b\u103e\u102d overcurrent \u1000\u102c\u1000\u103d\u101a\u103a\u101b\u1031\u1038\u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u101e\u100a\u103a\u104b<\/li>\n<\/ul>\n<p>NEC \u1000 \u1019\u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1010\u102c\u1010\u103d\u1031\u1000\u1010\u1031\u102c\u1037-<\/p>\n<ul>\n<li>\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1000\u102d\u102f \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1015\u102b\u104b<\/li>\n<li>\u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1019\u103e\u102f\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1021\u1016\u103c\u1005\u103a \u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u1015\u102b\u104b<\/li>\n<li>UL \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u102c\u101b\u1004\u103a\u1038\u101e\u103d\u1004\u103a\u1038\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u101c\u102d\u102f\u1021\u1015\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1005\u102c\u1038\u1011\u102d\u102f\u1038\u1015\u102b\u104b<\/li>\n<\/ul>\n<p>\u1011\u102d\u102f\u1037\u1000\u103c\u1031\u102c\u1004\u1037\u103a NEC \u1019\u1031\u1038\u1001\u103d\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u101e\u100a\u103a UL \u1019\u1031\u1038\u1001\u103d\u1014\u103a\u1038\u1021\u1005\u102c\u1038 \u1021\u1015\u1031\u102b\u103a\u1019\u103e \u1011\u102d\u102f\u1004\u103a\u1014\u1031\u1010\u1010\u103a\u101e\u100a\u103a\u104b.<\/p>\n<p>\u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1000\u103b\u101e\u1031\u102c \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a \u1012\u102e\u1007\u102d\u102f\u1004\u103a\u1038\u1021\u101c\u102f\u1015\u103a\u1010\u103d\u1004\u103a\u104a \u101a\u102f\u1010\u1039\u1010\u102d\u1017\u1031\u1012\u101e\u100a\u103a \u1019\u1000\u103c\u102c\u1001\u100f\u1006\u102d\u102f\u101e\u101c\u102d\u102f \u1016\u103c\u1005\u103a\u101c\u102c\u101e\u100a\u103a-<\/p>\n<ol>\n<li>\u1012\u102b\u1000 \u1018\u101a\u103a\u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1019\u102d\u101e\u102c\u1038\u1005\u102f\u101c\u1032\u104b<\/li>\n<li>\u1018\u101a\u103a\u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038 \u1012\u102b\u1019\u103e\u1019\u101f\u102f\u1010\u103a \u1005\u102c\u101b\u1004\u103a\u1038\u101e\u103d\u1004\u103a\u1038\u1001\u103c\u1004\u103a\u1038\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1000 \u101e\u1000\u103a\u101b\u1031\u102c\u1000\u103a\u101c\u1032\u104b<\/li>\n<li>NEC \u1000 \u1018\u101a\u103a\u101c\u102d\u102f\u1010\u1015\u103a\u1006\u1004\u103a\u1015\u103c\u102e\u1038 \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1016\u102d\u102f\u1037 \u101c\u102d\u102f\u1021\u1015\u103a\u101c\u1032\u104b<\/li>\n<\/ol>\n<h2>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a \u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1021\u101c\u102f\u1015\u103a\u1010\u103d\u1004\u103a SCCR \u1014\u103e\u1004\u1037\u103a AIC \u1021\u101b\u1031\u1038\u1015\u102b\u101b\u101e\u100a\u1037\u103a \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038<\/h2>\n<p>\u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u104f\u1021\u1019\u100a\u103a\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u101b\u1015\u103a\u1010\u1014\u1037\u103a\u1015\u102b\u1000\u104a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u101b\u103d\u1031\u1038\u1001\u103b\u101a\u103a\u1019\u103e\u102f\u1010\u103d\u1004\u103a \u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1021\u1000\u103b\u1006\u102f\u1036\u1038 \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1006\u102d\u102f\u1004\u103a\u101b\u102c\u1019\u1031\u1038\u1001\u103d\u1014\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u1000\u102d\u102f \u101e\u1004\u103a\u101c\u103d\u1010\u103a\u101e\u103d\u102c\u1038\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u1038\u101e\u100a\u103a- <strong>\u101b\u100a\u103a\u101b\u103d\u101a\u103a\u1011\u102c\u1038\u101e\u100a\u1037\u103a \u1021\u101e\u102f\u1036\u1038\u1001\u103b\u1019\u103e\u102f\u1010\u103d\u1004\u103a \u1005\u1000\u103a \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u101e\u100a\u103a \u1019\u100a\u103a\u101e\u100a\u1037\u103a \u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1000\u102d\u102f \u1018\u1031\u1038\u1000\u1004\u103a\u1038\u1005\u103d\u102c \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1014\u102d\u102f\u1004\u103a \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1001\u1036\u1014\u102d\u102f\u1004\u103a\u101b\u100a\u103a\u101b\u103e\u102d\u101e\u1014\u100a\u103a\u1038\u104b<\/strong><\/p>\n<p>\u1024\u1014\u1031\u101b\u102c\u1010\u103d\u1004\u103a \u1021\u1000\u103c\u1036\u1025\u102c\u100f\u103a\u1014\u103e\u1005\u103a\u1001\u102f \u1021\u101b\u1031\u1038\u1000\u103c\u102e\u1038\u101e\u100a\u103a-<\/p>\n<ul>\n<li><strong>AIC<\/strong> \u1016\u1031\u102c\u103a\u1015\u103c\u1011\u102c\u1038\u101e\u1031\u102c \u1017\u102d\u102f\u1037\u1021\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1010\u103d\u1004\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1014\u102d\u102f\u1004\u103a\u1005\u103d\u1019\u103a\u1038\u1000\u102d\u102f \u1016\u1031\u102c\u103a\u1015\u103c\u101b\u1014\u103a \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1021\u101c\u1031\u1037\u1021\u1000\u103b\u1004\u1037\u103a\u1010\u103d\u1004\u103a \u1021\u1019\u103b\u102c\u1038\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u100a\u103a\u104b<\/li>\n<li><strong>SCCR<\/strong> \u101c\u101a\u103a\u1000\u103d\u1004\u103a\u1038\u1010\u103d\u1004\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101e\u100a\u1037\u103a\u1021\u1010\u102d\u102f\u1004\u103a\u1038 \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u104f short-circuit current rating \u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b<\/li>\n<\/ul>\n<p>\u1024\u101e\u100a\u103a\u1019\u103e\u102c \u1005\u1036\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u1005\u102d\u1010\u1039\u1010\u1007\u1016\u103c\u1005\u103a\u1001\u103c\u1004\u103a\u1038\u1000\u102d\u102f \u101b\u1015\u103a\u1010\u1014\u1037\u103a\u1015\u103c\u102e\u1038 \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1021\u1014\u1039\u1010\u101b\u102c\u101a\u103a\u1000\u102d\u102f \u1005\u1010\u1004\u103a\u101e\u1000\u103a\u101b\u1031\u102c\u1000\u103a\u1005\u1031\u101e\u100a\u1037\u103a\u1014\u1031\u101b\u102c\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>UL 489 molded-case \u1018\u101b\u102d\u1010\u103a\u1000\u102c \u1021\u101c\u102f\u1015\u103a\u1010\u103d\u1004\u103a<\/h3>\n<p>\u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u101b\u103d\u1031\u1038\u1001\u103b\u101a\u103a\u1019\u103e\u102f\u1021\u1010\u103d\u1000\u103a \u1021\u1013\u102d\u1000\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u101b\u101b\u103e\u102d\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u102c \u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101e\u100a\u103a \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u104f \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1014\u102d\u102f\u1004\u103a\u1005\u103d\u1019\u103a\u1038\u1011\u1000\u103a \u1019\u103c\u1004\u1037\u103a\u1019\u102c\u1038\u1015\u102b\u1000 \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u101e\u100a\u103a panel \u1010\u1005\u103a\u1001\u102f\u1010\u103d\u1004\u103a \u1021\u1015\u103c\u100a\u1037\u103a\u1021\u101d\u101c\u1000\u103a\u1001\u1036\u1014\u102d\u102f\u1004\u103a\u1015\u103c\u102e\u1038 \u1021\u1001\u103c\u102c\u1038\u1010\u1005\u103a\u1001\u102f\u1010\u103d\u1004\u103a \u101c\u102f\u1036\u1038\u101d\u1019\u101e\u1004\u1037\u103a\u101c\u103b\u1031\u102c\u103a\u1015\u102b\u104b.<\/p>\n<h3>UL 1066 \/ \u1015\u102b\u101d\u102b \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1014\u103e\u1004\u1037\u103a \u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c \u1021\u101c\u102f\u1015\u103a\u1010\u103d\u1004\u103a<\/h3>\n<p>\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u101b\u103d\u1031\u1038\u1001\u103b\u101a\u103a\u1019\u103e\u102f\u101e\u100a\u103a \u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1000\u102d\u102f\u101a\u103a\u1010\u102d\u102f\u1004\u103a\u1014\u103e\u1004\u1037\u103a\u101e\u102c\u1019\u1000 \u1001\u101c\u102f\u1010\u103a\u1002\u102e\u101a\u102c\u1010\u100a\u103a\u1006\u1031\u102c\u1000\u103a\u1019\u103e\u102f\u104a \u1005\u1019\u103a\u1038\u101e\u1015\u103a\u1001\u103c\u1004\u103a\u1038\u101c\u102f\u1015\u103a\u1011\u102f\u1036\u1038\u101c\u102f\u1015\u103a\u1014\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u104a \u1001\u101b\u102e\u1038\u1005\u1009\u103a\u1005\u1014\u1005\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1006\u1000\u103a\u1005\u1015\u103a C37 \u1019\u102d\u101e\u102c\u1038\u1005\u102f\u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1010\u102d\u102f\u1037\u1014\u103e\u1004\u1037\u103a\u101c\u100a\u103a\u1038 \u1001\u103b\u102d\u1010\u103a\u1006\u1000\u103a\u1011\u102c\u1038\u101e\u1031\u102c\u1000\u103c\u1031\u102c\u1004\u1037\u103a \u1006\u103d\u1031\u1038\u1014\u103d\u1031\u1038\u1019\u103e\u102f\u101e\u100a\u103a \u1015\u102d\u102f\u1019\u102d\u102f\u1000\u103b\u101a\u103a\u1015\u103c\u1014\u1037\u103a\u101c\u102c\u101e\u100a\u103a\u104b.<\/p>\n<h3>\u1005\u102d\u1010\u103a\u1000\u103c\u102d\u102f\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1005\u1000\u103a\u1019\u103e\u102f\u1011\u102d\u1014\u103a\u1038\u1001\u103b\u102f\u1015\u103a\u1019\u103e\u102f panel \u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a<\/h3>\n<p>\u1021\u1005\u102d\u1010\u103a\u1021\u1015\u102d\u102f\u1004\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u1005\u102e\u101e\u100a\u103a \u1010\u1005\u103a\u1026\u1038\u1001\u103b\u1004\u103a\u1038\u1021\u1014\u1031\u1016\u103c\u1004\u1037\u103a \u101c\u1000\u103a\u1001\u1036\u1014\u102d\u102f\u1004\u103a\u101c\u103b\u103e\u1004\u103a\u1015\u1004\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u101e\u100a\u103a \u101e\u1004\u1037\u103a\u101c\u103b\u1031\u102c\u103a\u101e\u1031\u102c \u1021\u101b\u102c\u1010\u1005\u103a\u1001\u102f\u1000\u102d\u102f \u101b\u101b\u103e\u102d\u101b\u1014\u103a \u101c\u102d\u102f\u1021\u1015\u103a\u101e\u1031\u1038\u101e\u100a\u103a\u104b <strong>SCCR<\/strong>. \u1011\u102d\u102f\u1037\u1000\u103c\u1031\u102c\u1004\u1037\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u201c\u1012\u102e\u1018\u101b\u102d\u1010\u103a\u1000\u102c\u1000 UL \u1005\u102c\u101b\u1004\u103a\u1038\u101d\u1004\u103a\u1010\u101a\u103a\u201d \u1006\u102d\u102f\u1010\u1032\u1037\u1021\u1001\u103b\u1000\u103a\u1019\u103e\u102c \u101b\u1015\u103a\u1010\u1014\u1037\u103a\u101c\u102d\u102f\u1037\u1019\u101b\u1015\u102b\u1018\u1030\u1038\u104b \u101e\u1030\u1010\u102d\u102f\u1037\u1000\u101c\u100a\u103a\u1038 \u1019\u1031\u1038\u101b\u1019\u101a\u103a-<\/p>\n<ul>\n<li>\u101b\u101b\u103e\u102d\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u102c \u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1000 \u1018\u101a\u103a\u101c\u1031\u102c\u1000\u103a\u101c\u1032\u104b<\/li>\n<li>\u1019\u100a\u103a\u101e\u100a\u1037\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1014\u102d\u102f\u1004\u103a\u1005\u103d\u1019\u103a\u1038 \u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u101c\u1032\u104b<\/li>\n<li>\u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u104f \u1021\u1019\u100a\u103a\u1015\u103c\u102c\u1038\u1010\u103d\u1004\u103a \u1019\u100a\u103a\u101e\u100a\u1037\u103a SCCR \u1000\u102d\u102f \u1016\u1031\u102c\u103a\u1015\u103c\u1011\u102c\u1038\u101b\u1019\u101c\u1032\u104b<\/li>\n<li>\u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1021\u1011\u1000\u103a\u1015\u102d\u102f\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102d\u102f\u1004\u103a\u1038\u101b\u103e\u102d \u1000\u102d\u101b\u102d\u101a\u102c\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u1019\u100a\u103a\u101e\u102d\u102f\u1037 \u1021\u1015\u103c\u1014\u103a\u1021\u101c\u103e\u1014\u103a\u1021\u1000\u103b\u102d\u102f\u1038\u101e\u1000\u103a\u101b\u1031\u102c\u1000\u103a\u1019\u103e\u102f\u101b\u103e\u102d\u101e\u101c\u1032\u104b<\/li>\n<\/ul>\n<p>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1005\u1036\u1001\u103b\u102d\u1014\u103a\u1005\u1036\u100a\u103d\u103e\u1014\u103a\u1038 \u1006\u103d\u1031\u1038\u1014\u103d\u1031\u1038\u1019\u103e\u102f\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1005\u102c\u1019\u103b\u1000\u103a\u1014\u103e\u102c\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u101e\u1018\u102c\u101d\u1000\u103b\u1000\u103b \u1006\u1000\u103a\u1005\u1015\u103a\u1014\u1031\u101b\u101e\u100a\u1037\u103a \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u101c\u100a\u103a\u1038 \u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b <a href=\"https:\/\/test.viox.com\/my\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\u1006\u102c\u1038\u1000\u1005\u103a\u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038- Icu, Ics, Icw, \u1014\u103e\u1004\u1037\u103a Icm<\/a>, IEC \u1014\u103e\u1004\u1037\u103a UL \u104f \u1021\u101c\u1031\u1037\u1021\u1000\u103b\u1004\u1037\u103a\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1021\u1019\u100a\u103a\u1015\u1031\u1038\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1013\u101c\u1031\u1037\u1011\u102f\u1036\u1038\u1005\u1036\u1019\u103b\u102c\u1038 \u1010\u1030\u100a\u102e\u1019\u103e\u102f\u1019\u101b\u103e\u102d\u101e\u1031\u102c\u103a\u101c\u100a\u103a\u1038\u104b.<\/p>\n<h2>\u1024\u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u101b\u102c\u1010\u103d\u1004\u103a NEC \u101e\u100a\u103a \u1019\u100a\u103a\u101e\u100a\u1037\u103a\u1014\u1031\u101b\u102c\u1010\u103d\u1004\u103a \u1021\u101b\u1031\u1038\u1021\u1000\u103c\u102e\u1038\u1006\u102f\u1036\u1038\u101c\u1032<\/h2>\n<p>\u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u101e\u100a\u103a UL 489, UL 1066, NEMA AB, \u1014\u103e\u1004\u1037\u103a NEC \u1010\u102d\u102f\u1037\u1000\u102d\u102f \u1014\u103e\u102d\u102f\u1004\u103a\u1038\u101a\u103e\u1009\u103a\u101e\u1031\u102c\u1021\u1001\u102b NEC \u101e\u100a\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1014\u101a\u103a\u1015\u101a\u103a\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1021\u101b\u1031\u1038\u1021\u1000\u103c\u102e\u1038\u1006\u102f\u1036\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b<\/p>\n<ul>\n<li>\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1015\u102d\u102f\u101c\u103b\u103e\u1036\u1019\u103e\u102f\u1019\u103e \u1000\u102c\u1000\u103d\u101a\u103a\u101b\u1031\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1019\u103b\u102c\u1038<\/li>\n<li>\u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f \u1000\u1014\u1037\u103a\u101e\u1010\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038<\/li>\n<li>\u1010\u1015\u103a\u1006\u1004\u103a\u1014\u100a\u103a\u1038\u101c\u1019\u103a\u1038<\/li>\n<li>\u1005\u102c\u101b\u1004\u103a\u1038\u1015\u103c\u102f\u1005\u102f\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u100a\u103d\u103e\u1014\u103a\u1038\u1000\u1015\u103a\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u101c\u102d\u102f\u1000\u103a\u1014\u102c\u1019\u103e\u102f<\/li>\n<li>panelboard\u104a switchgear \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1019\u1031\u102c\u103a\u1010\u102c\u1005\u1014\u1005\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u100a\u103e\u102d\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u1001\u103c\u1004\u103a\u1038<\/li>\n<\/ul>\n<p>\u1025\u1015\u1019\u102c\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a NEC \u104f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u1010\u103d\u1004\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101b\u1014\u103a \u101e\u1004\u1037\u103a\u101c\u103b\u1031\u102c\u103a\u101e\u1031\u102c \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c\u1010\u1005\u103a\u1001\u102f\u101e\u100a\u103a \u1021\u1001\u103c\u102c\u1038\u1010\u1005\u103a\u1001\u102f\u1010\u103d\u1004\u103a \u1021\u101c\u102d\u102f\u1021\u101c\u103b\u1031\u102c\u1000\u103a \u101e\u1004\u1037\u103a\u101c\u103b\u1031\u102c\u103a\u101e\u100a\u103a\u101f\u102f \u101a\u1030\u1006\u104d\u1019\u101b\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u1037\u103a \u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u101b\u1004\u103a\u1038\u1000\u102d\u102f \u101b\u103e\u1004\u103a\u1038\u1015\u103c\u101b\u102c\u1010\u103d\u1004\u103a \u1021\u1011\u1031\u102c\u1000\u103a\u1021\u1000\u1030\u1015\u103c\u102f\u101e\u100a\u103a\u104b.<\/p>\n<p>\u101e\u1004\u103a\u104f\u1021\u102c\u101b\u102f\u1036\u1005\u1030\u1038\u1005\u102d\u102f\u1000\u103a\u1019\u103e\u102f\u101e\u100a\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c\u104f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u100a\u103e\u102d\u1014\u103e\u102d\u102f\u1004\u103a\u1038\u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1021\u101e\u102f\u1036\u1038\u1021\u1014\u103e\u102f\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1021\u1015\u1031\u102b\u103a\u1010\u103d\u1004\u103a \u101b\u103e\u102d\u1015\u102b\u1000\u104a, <a href=\"https:\/\/test.viox.com\/my\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\u1006\u102c\u1038\u1000\u1005\u103a\u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038- Icu, Ics, Icw, \u1014\u103e\u1004\u1037\u103a Icm<\/a> \u1006\u1000\u103a\u1005\u1015\u103a\u104d \u1016\u1010\u103a\u101b\u103e\u102f\u101e\u1004\u1037\u103a\u101e\u100a\u1037\u103a \u1021\u101b\u102c\u1010\u1005\u103a\u1001\u102f\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h2>\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1021\u101c\u102f\u1015\u103a\u1010\u103d\u1004\u103a \u1024\u1005\u1036\u1001\u103b\u102d\u1014\u103a\u1005\u1036\u100a\u103d\u103e\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101b\u1014\u103a \u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1000\u103b\u101e\u1031\u102c\u1014\u100a\u103a\u1038\u101c\u1019\u103a\u1038<\/h2>\n<p>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1008\u1031\u1038\u1000\u103d\u1000\u103a\u1010\u103d\u1004\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u101b\u1031\u1038\u101e\u102c\u1038\u1001\u103c\u1004\u103a\u1038 \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u1015\u103c\u1014\u103a\u101c\u100a\u103a\u101e\u102f\u1036\u1038\u101e\u1015\u103a\u1001\u103c\u1004\u103a\u1038\u1015\u103c\u102f\u101c\u102f\u1015\u103a\u101e\u100a\u1037\u103a\u1021\u1001\u102b \u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1000\u103b\u101e\u1031\u102c \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u1005\u1009\u103a\u1019\u103e\u102c-<\/p>\n<h3>\u1021\u1006\u1004\u1037\u103a \u1041\u104b \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u1000\u102d\u102f \u1016\u1031\u102c\u103a\u1011\u102f\u1010\u103a\u1015\u102b<\/h3>\n<p>\u101e\u1004\u103a\u101e\u100a\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1000\u102d\u102f \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1014\u1031\u1015\u102b\u101e\u101c\u102c\u1038\u104b<\/p>\n<ul>\n<li>panel \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a feeder \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u101b\u1014\u103a\u1021\u1010\u103d\u1000\u103a molded-case \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c<\/li>\n<li>\u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a switchgear \u1021\u1010\u103d\u1000\u103a low-voltage power circuit \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c<\/li>\n<\/ul>\n<p>\u1011\u102d\u102f\u1006\u102f\u1036\u1038\u1016\u103c\u1010\u103a\u1001\u103b\u1000\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u100a\u103a \u101e\u1004\u1037\u103a\u1021\u102c\u1038 UL 489 \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a UL 1066 \u101e\u102d\u102f\u1037 \u1001\u103b\u1000\u103a\u1001\u103b\u1004\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1015\u103c\u101c\u1031\u1037\u101b\u103e\u102d\u101e\u100a\u103a\u104b.<\/p>\n<h3>\u1021\u1006\u1004\u1037\u103a \u1042\u104b \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u104f \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1000\u102d\u102f \u1005\u1005\u103a\u1006\u1031\u1038\u1015\u102b<\/h3>\n<p>\u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c\u101e\u100a\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1010\u102d\u102f\u1037\u1011\u1032\u1019\u103e \u1019\u100a\u103a\u101e\u100a\u1037\u103a\u1021\u101b\u102c\u1011\u1032\u101e\u102d\u102f\u1037 \u101b\u1031\u102c\u1000\u103a\u101b\u103e\u102d\u1014\u1031\u101e\u1014\u100a\u103a\u1038\u104b<\/p>\n<ul>\n<li>panelboard<\/li>\n<li>switchboard<\/li>\n<li>switchgear<\/li>\n<li>\u1005\u102d\u1010\u103a\u1000\u103c\u102d\u102f\u1000\u103a\u1005\u1000\u103a\u1019\u103e\u102f\u101c\u102f\u1015\u103a\u1004\u1014\u103a\u1038\u101e\u102f\u1036\u1038 \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038<\/li>\n<\/ul>\n<p>\u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u104f \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u101e\u100a\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c\u1000\u102d\u102f\u101a\u103a\u1010\u102d\u102f\u1004\u103a\u1000\u1032\u1037\u101e\u102d\u102f\u1037\u1015\u1004\u103a \u1021\u101b\u1031\u1038\u1000\u103c\u102e\u1038\u101e\u100a\u103a\u104b.<\/p>\n<h3>\u1021\u1006\u1004\u1037\u103a \u1043\u104b NEC \u104f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u101c\u102d\u102f\u1021\u1015\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1005\u1005\u103a\u1006\u1031\u1038\u1015\u102b<\/h3>\n<p>\u1019\u103e\u1014\u103a\u1000\u1014\u103a\u1005\u103d\u102c \u1005\u102c\u101b\u1004\u103a\u1038\u1015\u103c\u102f\u1005\u102f\u1011\u102c\u1038\u101e\u1031\u102c \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c\u1010\u1005\u103a\u1001\u102f\u1015\u1004\u103a\u101c\u103b\u103e\u1004\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1012\u102e\u1007\u102d\u102f\u1004\u103a\u1038\u101e\u100a\u103a NEC \u104f \u101c\u102d\u102f\u1021\u1015\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u1019\u1000\u102d\u102f\u1000\u103a\u100a\u102e\u1015\u102b\u1000 \u1019\u103e\u102c\u1038\u101a\u103d\u1004\u103a\u1038\u1005\u103d\u102c \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u1038\u101e\u100a\u103a\u104b.<\/p>\n<h3>\u1021\u1006\u1004\u1037\u103a \u1044\u104b NEMA AB \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1011\u1031\u102c\u1000\u103a\u1021\u1015\u1036\u1037\u1021\u1016\u103c\u1005\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1015\u102b\u104a \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1025\u1015\u1012\u1031\u1021\u1010\u103d\u1000\u103a \u1021\u1005\u102c\u1038\u1011\u102d\u102f\u1038\u1021\u1016\u103c\u1005\u103a \u1019\u101e\u102f\u1036\u1038\u1015\u102b\u1014\u103e\u1004\u1037\u103a<\/h3>\n<p>NEMA AB \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u101e\u100a\u103a molded-case \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c\u1000\u102d\u102f \u1014\u102c\u1038\u101c\u100a\u103a\u1001\u103c\u1004\u103a\u1038\u104a \u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1021\u101e\u1031\u1038\u1005\u102d\u1010\u103a\u1021\u1010\u103d\u1000\u103a \u1021\u1016\u102d\u102f\u1038\u1010\u1014\u103a\u101e\u1031\u102c\u103a\u101c\u100a\u103a\u1038 \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a NEC \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1010\u102c\u101d\u1014\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1005\u102c\u1038\u1019\u1011\u102d\u102f\u1038\u1014\u102d\u102f\u1004\u103a\u1015\u102b\u104b.<\/p>\n<h3>\u1021\u1006\u1004\u1037\u103a \u1045\u104b \u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1019\u103b\u103e\u1031\u102c\u103a\u101c\u1004\u1037\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1010\u100a\u103a\u1015\u103c\u102f\u1015\u102b<\/h3>\n<p>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1008\u1031\u1038\u1000\u103d\u1000\u103a\u1010\u103d\u1004\u103a \u1024\u1021\u101b\u102c\u101e\u100a\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c\u1014\u103e\u1004\u1037\u103a \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u101e\u100a\u103a \u1010\u1015\u103a\u1006\u1004\u103a\u101e\u100a\u1037\u103a\u1014\u1031\u101b\u102c\u1010\u103d\u1004\u103a \u101b\u101b\u103e\u102d\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u102c \u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u1001\u103c\u1031\u1021\u1014\u1031\u104a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u101b\u1014\u103a\u101c\u102d\u102f\u1021\u1015\u103a\u1001\u103b\u1000\u103a\u1014\u103e\u1004\u1037\u103a SCCR \u1019\u103b\u103e\u1031\u102c\u103a\u101c\u1004\u1037\u103a\u1001\u103b\u1000\u103a\u1010\u102d\u102f\u1037\u1000\u102d\u102f \u1011\u1031\u102c\u1000\u103a\u1015\u1036\u1037\u1014\u102d\u102f\u1004\u103a\u1001\u103c\u1004\u103a\u1038 \u101b\u103e\u102d\u1019\u101b\u103e\u102d\u1000\u102d\u102f \u1005\u1005\u103a\u1006\u1031\u1038\u1001\u103c\u1004\u103a\u1038\u1000\u102d\u102f \u1006\u102d\u102f\u101c\u102d\u102f\u101e\u100a\u103a\u104b.<\/p>\n<h3>\u1021\u1006\u1004\u1037\u103a \u1046\u104b \u1015\u101b\u1031\u102c\u1002\u103b\u1000\u103a\u101e\u100a\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u1021\u1010\u103d\u1000\u103a\u101e\u102c\u101c\u102c\u1038 \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a IEC \u1014\u103e\u1004\u1037\u103a\u101c\u100a\u103a\u1038 \u101e\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u1015\u102b\u101e\u101c\u102c\u1038\u101f\u102f \u1019\u1031\u1038\u1019\u103c\u1014\u103a\u1038\u1015\u102b<\/h3>\n<p>\u1015\u101b\u1031\u102c\u1002\u103b\u1000\u103a\u101e\u100a\u103a \u1014\u102d\u102f\u1004\u103a\u1004\u1036\u1010\u1000\u102c\u1008\u1031\u1038\u1000\u103d\u1000\u103a\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a\u101c\u100a\u103a\u1038 \u1006\u1031\u102c\u1004\u103a\u101b\u103d\u1000\u103a\u1015\u1031\u1038\u1015\u102b\u1000 \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u101e\u100a\u103a \u1019\u100a\u103a\u101e\u100a\u1037\u103a\u1014\u1031\u101b\u102c\u1010\u103d\u1004\u103a <strong>IEC 60947-1<\/strong> \u1014\u103e\u1004\u1037\u103a <strong>IEC \u1046\u1040\u1049\u1044\u1047-\u1042<\/strong> \u101e\u100a\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1014\u103e\u1004\u1037\u103a \u1006\u1000\u103a\u1005\u1015\u103a\u1014\u1031\u101e\u100a\u103a\u1000\u102d\u102f \u1014\u102c\u1038\u101c\u100a\u103a\u101b\u1014\u103a \u101c\u102d\u102f\u1021\u1015\u103a\u101c\u1031\u1037\u101b\u103e\u102d\u101e\u100a\u103a\u104b \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a UL 489 \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a UL 1066 \u104f \u1010\u102d\u102f\u1000\u103a\u101b\u102d\u102f\u1000\u103a\u1019\u102d\u1010\u1039\u1010\u1030\u1019\u103b\u102c\u1038 \u1019\u101f\u102f\u1010\u103a\u101e\u1031\u102c\u103a\u101c\u100a\u103a\u1038 \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a low-voltage switchgear \u1014\u103e\u1004\u1037\u103a circuit breaker \u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1021\u1013\u102d\u1000 IEC \u1018\u1000\u103a\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u101b\u100a\u103a\u100a\u103d\u103e\u1014\u103a\u1038\u1019\u103e\u1010\u103a\u1019\u103b\u102c\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h2>\u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u101d\u101a\u103a\u101e\u1030\u1019\u103b\u102c\u1038\u104f \u1021\u1016\u103c\u1005\u103a\u1019\u103b\u102c\u1038\u101e\u1031\u102c \u1021\u1019\u103e\u102c\u1038\u1019\u103b\u102c\u1038<\/h2>\n<h3>UL 489 \u1014\u103e\u1004\u1037\u103a UL 1066 \u1010\u102d\u102f\u1037\u1000\u102d\u102f \u1010\u1030\u100a\u102e\u101e\u1031\u102c \u1000\u102d\u101b\u102d\u101a\u102c\u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u1000\u102d\u102f \u1016\u1031\u102c\u103a\u1015\u103c\u1011\u102c\u1038\u101e\u1000\u1032\u1037\u101e\u102d\u102f\u1037 \u101e\u1018\u1031\u102c\u1011\u102c\u1038\u1019\u103e\u1010\u103a\u101a\u1030\u1001\u103c\u1004\u103a\u1038<\/h3>\n<p>\u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a \u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a \u1019\u1010\u1030\u100a\u102e\u101e\u1031\u102c low-voltage \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101c\u103d\u103e\u1019\u103a\u1038\u1001\u103c\u102f\u1036\u1011\u102c\u1038\u101e\u100a\u103a\u104b.<\/p>\n<h3>NEMA AB \u1000\u102d\u102f \u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u101e\u1031\u102c \u1021\u1016\u103c\u1031\u1021\u1016\u103c\u1005\u103a \u101e\u1018\u1031\u102c\u1011\u102c\u1038\u1019\u103e\u1010\u103a\u101a\u1030\u1001\u103c\u1004\u103a\u1038<\/h3>\n<p>\u1019\u103b\u102c\u1038\u101e\u1031\u102c\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a \u1010\u1000\u101a\u1037\u103a\u1019\u1031\u1038\u1001\u103d\u1014\u103a\u1038\u1019\u103e\u102c \u101e\u1004\u103a\u101e\u100a\u103a \u1019\u100a\u103a\u101e\u100a\u1037\u103a AB \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1000\u102d\u102f \u1006\u102d\u102f\u101c\u102d\u102f\u101e\u1014\u100a\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u101e\u1004\u103a\u101e\u100a\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1010\u1030\u100a\u102e\u1001\u103c\u1004\u103a\u1038\u104a \u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u101e\u102e\u1038\u1001\u103c\u102c\u1038\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1015\u103c\u103f\u1014\u102c\u1010\u1005\u103a\u1001\u102f\u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038 \u1015\u103c\u1031\u102c\u1014\u1031\u1001\u103c\u1004\u103a\u1038 \u101b\u103e\u102d\u1019\u101b\u103e\u102d \u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>NEC \u101e\u100a\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101c\u1000\u103a\u1019\u103e\u1010\u103a\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u101f\u102f \u101a\u1030\u1006\u1001\u103c\u1004\u103a\u1038<\/h3>\n<p>\u104e\u1004\u103a\u1038\u101e\u100a\u103a \u1019\u101f\u102f\u1010\u103a\u1015\u102b\u104b NEC \u101e\u100a\u103a \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1018\u1031\u1038\u1000\u1004\u103a\u1038\u101c\u102f\u1036\u1001\u103c\u102f\u1036\u1019\u103e\u102f\u1005\u102c\u101b\u1004\u103a\u1038\u1019\u101f\u102f\u1010\u103a\u1018\u1032 \u1010\u1015\u103a\u1006\u1004\u103a\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1025\u1015\u1012\u1031\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>\u101b\u101b\u103e\u102d\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u102c \u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u104a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1014\u102d\u102f\u1004\u103a\u1005\u103d\u1019\u103a\u1038 \u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a SCCR \u1000\u102d\u102f \u101c\u103b\u1005\u103a\u101c\u103b\u1030\u101b\u103e\u102f\u1001\u103c\u1004\u103a\u1038<\/h3>\n<p>\u1024\u1021\u101b\u102c\u101e\u100a\u103a \u201c\u101c\u102d\u102f\u1000\u103a\u1014\u102c\u1019\u103e\u102f\u101b\u103e\u102d\u101e\u1031\u102c\u201d \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u101c\u101a\u103a\u1000\u103d\u1004\u103a\u1038\u1015\u103c\u103f\u1014\u102c\u1010\u1005\u103a\u1001\u102f\u1021\u1016\u103c\u1005\u103a\u101e\u102d\u102f\u1037 \u1021\u101c\u103b\u1004\u103a\u1019\u103c\u1014\u103a\u1006\u102f\u1036\u1038 \u1015\u103c\u1031\u102c\u1004\u103a\u1038\u101c\u1032\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u1037\u103a \u1014\u100a\u103a\u1038\u101c\u1019\u103a\u1038\u1019\u103b\u102c\u1038\u1011\u1032\u1019\u103e \u1010\u1005\u103a\u1001\u102f\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<blockquote><p><strong>\u1000\u103b\u103d\u1019\u103a\u1038\u1000\u103b\u1004\u103a\u101e\u1030\u1019\u103b\u102c\u1038\u104f \u101c\u101a\u103a\u1000\u103d\u1004\u103a\u1038\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a-<\/strong> \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1015\u103c\u1014\u103a\u101c\u100a\u103a\u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u101e\u102f\u1036\u1038\u101e\u1015\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1010\u103d\u1004\u103a \u1021\u1016\u103c\u1005\u103a\u1021\u1019\u103b\u102c\u1038\u1006\u102f\u1036\u1038 \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1021\u1019\u103e\u102c\u1038\u1010\u1005\u103a\u1001\u102f\u1019\u103e\u102c \u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1014\u103e\u1004\u1037\u103a \u1018\u1031\u102c\u1004\u103a\u1021\u101b\u103d\u101a\u103a\u1021\u1005\u102c\u1038\u1000\u102d\u102f\u101e\u102c \u1001\u103b\u102d\u1014\u103a\u100a\u103e\u102d\u1015\u103c\u102e\u1038 \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u104f \u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1000\u102d\u102f \u101c\u103b\u1005\u103a\u101c\u103b\u1030\u101b\u103e\u102f\u1001\u103c\u1004\u103a\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b \u1005\u102c\u101b\u103d\u1000\u103a\u1015\u1031\u102b\u103a\u1010\u103d\u1004\u103a \u1021\u1005\u102c\u1038\u1011\u102d\u102f\u1038\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u101e\u100a\u103a \u1010\u1030\u100a\u102e\u101e\u100a\u103a\u101f\u102f \u1011\u1004\u103a\u101b\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u103a\u104b \u101c\u101a\u103a\u1000\u103d\u1004\u103a\u1038\u1010\u103d\u1004\u103a switchboard \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a panel SCCR \u101e\u100a\u103a \u101b\u101b\u103e\u102d\u1014\u102d\u102f\u1004\u103a\u101e\u1031\u102c \u1001\u103b\u102d\u102f\u1037\u101a\u103d\u1004\u103a\u1038\u1001\u103b\u1000\u103a\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038 \u101e\u102d\u102f\u1037\u1019\u101f\u102f\u1010\u103a \u101b\u100a\u103a\u101b\u103d\u101a\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u1014\u103e\u1004\u1037\u103a \u101e\u1014\u1037\u103a\u101b\u103e\u1004\u103a\u1038\u1005\u103d\u102c \u1019\u1000\u102d\u102f\u1000\u103a\u100a\u102e\u1010\u1031\u102c\u1037\u101e\u100a\u1037\u103a\u1021\u1001\u102b \u1015\u103c\u103f\u1014\u102c\u1015\u1031\u102b\u103a\u101c\u102c\u101e\u100a\u103a\u104b.<\/p><\/blockquote>\n<h3>\u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u1006\u1004\u1037\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103b\u1000\u103a\u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u1016\u103c\u1004\u1037\u103a \u101b\u103d\u1031\u1038\u1001\u103b\u101a\u103a\u1001\u103c\u1004\u103a\u1038<\/h3>\n<p>\u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a\u1021\u101c\u1031\u1037\u1021\u1000\u103b\u1004\u1037\u103a\u1010\u103d\u1004\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u104a \u1005\u1000\u103a\u1015\u1005\u1039\u1005\u100a\u103a\u1038\u1010\u1005\u103a\u1001\u102f\u101c\u102f\u1036\u1038\u104f \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u104a \u1005\u102c\u101b\u1004\u103a\u1038\u1015\u103c\u102f\u1005\u102f\u1001\u103c\u1004\u103a\u1038\u101c\u1019\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1025\u1015\u1012\u1031\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1010\u102d\u102f\u1037\u101e\u100a\u103a \u101c\u103b\u103e\u1015\u103a\u1005\u102e\u1038\u1021\u102c\u1038\u1019\u103b\u102c\u1038\u101e\u102c\u1019\u1000 \u1006\u102f\u1036\u1038\u1016\u103c\u1010\u103a\u1001\u103b\u1000\u103a\u104f \u1021\u1005\u102d\u1010\u103a\u1021\u1015\u102d\u102f\u1004\u103a\u1038\u1019\u103b\u102c\u1038\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>\u201cUL \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c\u201d \u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1019\u1031\u1038\u1001\u103d\u1014\u103a\u1038\u1010\u102d\u102f\u1004\u103a\u1038\u101e\u100a\u103a UL \u1010\u103d\u1004\u103a \u101b\u1015\u103a\u1010\u1014\u1037\u103a\u101e\u103d\u102c\u1038\u101e\u100a\u103a\u101f\u102f \u101a\u1030\u1006\u1001\u103c\u1004\u103a\u1038<\/h3>\n<p>\u101c\u1000\u103a\u1010\u103d\u1031\u1037\u1015\u101b\u1031\u102c\u1002\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1005\u103d\u102c\u1010\u103d\u1004\u103a \u1021\u1016\u103c\u1031\u1021\u1015\u103c\u100a\u1037\u103a\u1021\u1005\u102f\u1036\u1010\u103d\u1004\u103a NEC \u104f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1019\u103e\u102f\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1019\u103b\u102c\u1038\u104a NEMA \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a\u104a IEEE C37 \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1014\u103e\u1004\u1037\u103a \u1010\u1005\u103a\u1001\u102b\u1010\u1005\u103a\u101b\u1036 \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u101c\u1000\u103a\u1019\u103e\u1010\u103a\u1000\u102d\u102f \u101c\u1000\u103a\u1001\u1036\u1001\u103c\u1004\u103a\u1038\u1014\u1031\u102c\u1000\u103a\u1000\u103d\u101a\u103a\u101b\u103e\u102d OSHA NRTL \u1021\u101e\u102d\u1021\u1019\u103e\u1010\u103a\u1015\u103c\u102f\u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1010\u102d\u102f\u1037\u101c\u100a\u103a\u1038 \u1015\u102b\u101d\u1004\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h2>\u1019\u1000\u103c\u102c\u1001\u100f\u1019\u1031\u1038\u1019\u1031\u1038\u1001\u103d\u1014\u103a\u1038\u1019\u103b\u102c\u1038<\/h2>\n<h3>Is UL 489 the same as UL 1066?<\/h3>\n<p>No. UL 489 applies to the molded-case breaker family, while UL 1066 applies to low-voltage power circuit breakers used in enclosures.<\/p>\n<h3>Is NEMA AB 1 different from UL 489?<\/h3>\n<p>\u101e\u1019\u102d\u102f\u1004\u103a\u1038\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u101b \u104e\u1004\u103a\u1038\u1010\u102d\u102f\u1037\u101e\u100a\u103a molded-case \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1010\u103d\u1004\u103a \u1014\u102e\u1038\u1000\u1015\u103a\u1005\u103d\u102c \u1001\u103b\u102d\u1014\u103a\u100a\u103e\u102d\u1011\u102c\u1038\u101e\u100a\u103a\u104b \u101e\u102d\u102f\u1037\u101e\u1031\u102c\u103a \u101c\u1000\u103a\u101b\u103e\u102d \u1019\u103c\u1031\u102c\u1000\u103a\u1021\u1019\u1031\u101b\u102d\u1000\u1021\u101c\u1031\u1037\u1021\u1000\u103b\u1004\u1037\u103a\u1010\u103d\u1004\u103a \u1021\u1004\u103a\u1002\u103b\u1004\u103a\u1014\u102e\u101a\u102c\u1019\u103b\u102c\u1038\u101e\u100a\u103a molded-case \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1011\u102f\u1010\u103a\u1000\u102f\u1014\u103a\u1019\u1030\u1018\u1031\u102c\u1004\u103a\u1000\u102d\u102f \u101e\u102f\u1036\u1038\u1014\u102d\u102f\u1004\u103a\u1004\u1036\u104f \u1001\u103b\u102d\u1014\u103a\u100a\u103e\u102d\u1019\u103e\u102f\u1019\u103e\u1010\u1005\u103a\u1006\u1004\u1037\u103a \u1014\u102c\u1038\u101c\u100a\u103a\u101c\u1031\u1037\u101b\u103e\u102d\u101e\u100a\u103a\u104b <strong>UL 489 \/ CSA C22.2 No. 5 \/ NMX-J-266-ANCE<\/strong>, AB 1 \u101e\u100a\u103a \u1005\u1036\u1001\u103b\u102d\u1014\u103a\u1005\u1036\u100a\u103d\u103e\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u104f \u101e\u1019\u102d\u102f\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038\u104f \u1019\u103b\u102d\u102f\u1038\u101b\u102d\u102f\u1038\u1021\u1016\u103c\u1005\u103a \u1015\u102d\u102f\u104d\u1021\u101e\u102f\u1036\u1038\u101d\u1004\u103a\u101e\u100a\u103a\u104b.<\/p>\n<h3>Does the NEC replace UL standards for circuit breakers?<\/h3>\n<p>No. The NEC governs installation and application. UL standards govern product safety and certification categories.<\/p>\n<h3>Which standard is more relevant for MCCBs?<\/h3>\n<p>In US low-voltage practice, molded-case circuit breakers are primarily associated with the UL 489 \/ NEMA AB 1 side of the framework.<\/p>\n<h3>Which standard is more relevant for low-voltage power breakers in switchgear?<\/h3>\n<p>That is where UL 1066 becomes the more relevant product standard framework.<\/p>\n<h3>What is the relationship between ANSI, IEEE, NEMA, UL, and NEC?<\/h3>\n<p>ANSI is the coordination and approval layer for American National Standards. IEEE and NEMA are standards-development paths. UL is associated with product standards and product certification activity. NFPA publishes the NEC, and the NEC governs installation and application rather than product listing.<\/p>\n<h2>\u1014\u1031\u102c\u1000\u103a\u1006\u102f\u1036\u1038 \u1011\u1031\u102c\u1000\u103a\u1001\u1036\u1001\u103b\u1000\u103a<\/h2>\n<p>\u1024\u1006\u1031\u102c\u1004\u103a\u1038\u1015\u102b\u1038\u1019\u103e \u1021\u101b\u102c\u1010\u1005\u103a\u1001\u102f\u1010\u100a\u103a\u1038\u1000\u102d\u102f\u101e\u102c \u1019\u103e\u1010\u103a\u1019\u102d\u1015\u102b\u1000 \u1024\u1021\u101b\u102c\u1000\u102d\u102f \u1019\u103e\u1010\u103a\u101e\u102c\u1038\u1011\u102c\u1038\u1015\u102b-<\/p>\n<ul>\n<li><strong>\u1021\u1006\u102d\u102f\u1015\u102b \u1044\u1048\u1049<\/strong> = molded-case \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1000\u1019\u1039\u1018\u102c<\/li>\n<li><strong>UL 1066<\/strong> = low-voltage power \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1000\u1019\u1039\u1018\u102c<\/li>\n<li><strong>NEMA AB<\/strong> = molded-case \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1005\u102c\u101b\u103d\u1000\u103a\u1005\u102c\u1010\u1019\u103a\u1038\u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038<\/li>\n<li><strong>IEEE C37<\/strong> = power switchgear \u1014\u103e\u1004\u1037\u103a power \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u1005\u1036\u1001\u103b\u102d\u1014\u103a\u1005\u1036\u100a\u103d\u103e\u1014\u103a\u1038\u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038<\/li>\n<li><strong>NEC<\/strong> = \u1010\u1015\u103a\u1006\u1004\u103a\u1001\u103c\u1004\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1001\u103c\u1004\u103a\u1038\u1006\u102d\u102f\u1004\u103a\u101b\u102c \u1005\u100a\u103a\u1038\u1019\u103b\u1009\u103a\u1038\u1025\u1015\u1012\u1031<\/li>\n<\/ul>\n<p>\u1011\u102d\u102f\u1021\u1001\u1014\u103a\u1038\u1000\u100f\u1039\u100d\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101b\u103e\u1004\u103a\u1038\u101c\u1004\u103a\u1038\u1005\u103d\u102c \u1001\u103d\u1032\u1001\u103c\u102c\u1038\u1015\u103c\u102e\u1038\u101e\u100a\u103a\u1014\u103e\u1004\u1037\u103a \u1021\u1019\u1031\u101b\u102d\u1000\u1014\u103a \u1016\u103c\u1010\u103a\u1010\u1031\u102c\u1000\u103a\u1000\u102d\u101b\u102d\u101a\u102c \u101b\u103d\u1031\u1038\u1001\u103b\u101a\u103a\u1019\u103e\u102f\u1000\u102d\u102f \u1021\u1013\u102d\u1015\u1039\u1015\u102c\u101a\u103a\u1016\u103d\u1004\u1037\u103a\u1006\u102d\u102f\u101b\u1014\u103a \u1015\u102d\u102f\u1019\u102d\u102f\u101c\u103d\u101a\u103a\u1000\u1030\u101c\u102c\u101e\u100a\u103a\u104b.<\/p>\n<p>\u1000\u1015\u103a\u101c\u103b\u1000\u103a\u1021\u1000\u103c\u1031\u102c\u1004\u103a\u1038\u1021\u101b\u102c\u1019\u103b\u102c\u1038\u1021\u1010\u103d\u1000\u103a \u1006\u1000\u103a\u101c\u1000\u103a\u101c\u1031\u1037\u101c\u102c\u1015\u102b-<\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/my\/mccb\/\">MCCB<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/my\/acb\/\">ACB<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/my\/full-guide-to-molded-case-circuit-breakers-mccbs\/\">Molded Case Circuit Breakers (MCCBs) \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1021\u1015\u103c\u100a\u1037\u103a\u1021\u1005\u102f\u1036<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/my\/complete-guide-to-air-circuit-breakers-acb\/\">Air Circuit Breakers (ACB) \u1021\u1010\u103d\u1000\u103a \u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\u1001\u103b\u1000\u103a\u1021\u1015\u103c\u100a\u1037\u103a\u1021\u1005\u102f\u1036<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 94.875px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 94.875px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>An engineer reviewing US low-voltage circuit breaker standards and documentation in a switchgear facility. If you work with low-voltage circuit breakers in the United States, the hardest part is often not the breaker itself. It is figuring out who does what in the standards system. People see names like: ANSI IEEE NEMA UL NFPA UL [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23339,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/posts\/23338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/comments?post=23338"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/posts\/23338\/revisions"}],"predecessor-version":[{"id":23340,"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/posts\/23338\/revisions\/23340"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/media\/23339"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/media?parent=23338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/categories?post=23338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/my\/wp-json\/wp\/v2\/tags?post=23338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}