{"id":21369,"date":"2026-01-20T14:42:08","date_gmt":"2026-01-20T06:42:08","guid":{"rendered":"https:\/\/viox.com\/?p=21369"},"modified":"2026-01-20T14:44:28","modified_gmt":"2026-01-20T06:44:28","slug":"mcb-mccb-temperature-rise-limits-iec-ul-standards","status":"publish","type":"post","link":"https:\/\/test.viox.com\/el\/mcb-mccb-temperature-rise-limits-iec-ul-standards\/","title":{"rendered":"\u038c\u03c1\u03b9\u03b1 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 MCB MCCB: \u03a0\u03cc\u03c3\u03bf \u03b6\u03b5\u03c3\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ac \u03b6\u03b5\u03c3\u03c4\u03cc \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 IEC 60947 &amp; UL 489;"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u0391\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u0394\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u039a\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2: \u0393\u03b9\u03b1\u03c4\u03af \u0388\u03c7\u03b5\u03b9 \u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1<\/h2>\n<p>\u039a\u03ac\u03b8\u03b5 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1. \u038c\u03c4\u03b1\u03bd \u03c4\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c1\u03ad\u03b5\u03b9 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03c9\u03bd 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\u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03bf\u03b2\u03b1\u03b8\u03bc\u03af\u03c3\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7, \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03cd\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c6\u03b8\u03bf\u03c1\u03ac \u03c4\u03c9\u03bd \u03b5\u03c0\u03b1\u03c6\u03ce\u03bd, \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03b5\u03b9 \u03b5\u03bd\u03bf\u03c7\u03bb\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03bf\u03ba\u03bf\u03c0\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1.<\/p>\n<p>\u0393\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bb\u03cc\u03b3\u03bf\u03c5\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03c0\u03b9\u03bd\u03ac\u03ba\u03c9\u03bd \u03c0\u03bf\u03c5 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd <a href=\"https:\/\/test.viox.com\/el\/mcb\/\">MCBs<\/a> \u03ba\u03b1\u03b9 <a href=\"https:\/\/test.viox.com\/el\/mccb\/\">MCCBs<\/a>, \u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bf\u03c1\u03af\u03c9\u03bd \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03b4\u03b5\u03bd \u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03cc\u03bd\u03bf \u03c4\u03b7 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u2014\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03bc\u03b1\u03ba\u03c1\u03bf\u03c0\u03c1\u03cc\u03b8\u03b5\u03c3\u03bc\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2. \u03a4\u03cc\u03c3\u03bf \u03c4\u03bf IEC 60947-2 (\u03b3\u03b9\u03b1 MCCB) \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf UL 489 (\u0392\u03bf\u03c1\u03b5\u03b9\u03bf\u03b1\u03bc\u03b5\u03c1\u03b9\u03ba\u03b1\u03bd\u03b9\u03ba\u03cc \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf) \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03b5\u03af\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03bf\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03b7 VIOX \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03bb\u03b7\u03c1\u03bf\u03cd\u03bd \u03bc\u03ad\u03c3\u03c9 \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c4\u03cd\u03c0\u03bf\u03c5.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Industrial-photography-with-FLIR-camera-showing-temperature-gradients-on-VIOX-breakers.webp\" alt=\"Thermal imaging inspection of VIOX circuit breakers showing temperature distribution in electrical panel\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; margin-top: 8px;\">\u0395\u03b9\u03ba\u03cc\u03bd\u03b1 1: \u0395\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03bc\u03ae \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 VIOX \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03af\u03bd\u03b1\u03ba\u03b1.<\/figcaption><\/figure>\n<h2>\u0391\u03cd\u03be\u03b7\u03c3\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u0391\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7\u03c2 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2: \u039a\u03c1\u03af\u03c3\u03b9\u03bc\u03b7 \u0394\u03b9\u03ac\u03ba\u03c1\u03b9\u03c3\u03b7<\/h2>\n<p>\u03a0\u03c1\u03b9\u03bd \u03b5\u03bc\u03b2\u03b1\u03b8\u03cd\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03cc\u03c1\u03b9\u03b1, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd <strong>\u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 (\u0394T)<\/strong> \u03ba\u03b1\u03b9 <strong>\u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1<\/strong>:<\/p>\n<ul>\n<li><strong>\u0391\u03cd\u03be\u03b7\u03c3\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 (\u0394T)<\/strong>: \u0397 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2, \u03bc\u03b5\u03c4\u03c1\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7 \u03c3\u03b5 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u039a\u03b5\u03bb\u03c3\u03af\u03bf\u03c5 \u03ae \u03a6\u03b1\u03c1\u03b5\u03bd\u03ac\u03b9\u03c4<\/li>\n<li><strong>\u0391\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1<\/strong>: \u0397 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03bc\u03b5\u03c4\u03c1\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03b5\u03be\u03b1\u03c1\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03c3\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2<\/li>\n<\/ul>\n<p>\u03a4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c1\u03b9\u03b1 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c4\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2 40\u00b0C (104\u00b0F). \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9:<\/p>\n<p><strong>\u0391\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 = \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03a0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 + \u0391\u03cd\u03be\u03b7\u03c3\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2<\/strong><\/p>\n<p>\u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ad\u03bd\u03b1\u03c2 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7\u03c2 \u03bc\u03b5 \u03cc\u03c1\u03b9\u03bf \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 50\u00b0C \u03c0\u03bf\u03c5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd 40\u00b0C \u03b8\u03b1 \u03ad\u03c6\u03c4\u03b1\u03bd\u03b5 \u03c3\u03b5 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 90\u00b0C\u2014\u03c4\u03bf \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03ad\u03c2 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03bf\u03bb\u03bb\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b1\u03b3\u03c9\u03b3\u03ce\u03bd.<\/p>\n<h2>\u0391\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u0391\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 UL 489<\/h2>\n<p>\u03a4\u03bf UL 489 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b3\u03b9\u03b1 \u03c7\u03c5\u03c4\u03bf\u03cd\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u0392\u03cc\u03c1\u03b5\u03b9\u03b1\u03c2 \u0391\u03bc\u03b5\u03c1\u03b9\u03ba\u03ae\u03c2. \u03a4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf \u03b4\u03b9\u03b1\u03ba\u03c1\u03af\u03bd\u03b5\u03b9 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2 (80% \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2) \u03ba\u03b1\u03b9 100%.<\/p>\n<h3>\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 1: \u03a3\u03cd\u03bd\u03bf\u03c8\u03b7 \u039f\u03c1\u03af\u03c9\u03bd \u0391\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 UL 489<\/h3>\n<table border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px; text-align: left;\">\u0395\u03be\u03ac\u03c1\u03c4\u03b7\u03bc\u03b1\/\u03a4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0394\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u039f\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03a4\u03b9\u03bc\u03ae\u03c2 (80%)<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0394\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u039f\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03a4\u03b9\u03bc\u03ae\u03c2 100%<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u03a1\u03ae\u03c4\u03c1\u03b1 \u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0391\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03c3\u03b7\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0391\u03cd\u03be\u03b7\u03c3\u03b7 50\u00b0C (90\u00b0C \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03c3\u03c4\u03bf\u03c5\u03c2 40\u00b0C \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2)<\/td>\n<td style=\"padding: 8px;\">\u0391\u03cd\u03be\u03b7\u03c3\u03b7 60\u00b0C (100\u00b0C \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03c3\u03c4\u03bf\u03c5\u03c2 40\u00b0C \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2)<\/td>\n<td style=\"padding: 8px;\">UL 489 \u00a77.1.4.2.2 \/ \u00a77.1.4.3.3<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u039c\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ad\u03c2 \u039b\u03b1\u03b2\u03ad\u03c2\/\u039a\u03bf\u03c5\u03bc\u03c0\u03b9\u03ac<\/strong><\/td>\n<td style=\"padding: 8px;\">60\u00b0C \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7<\/td>\n<td style=\"padding: 8px;\">60\u00b0C \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7<\/td>\n<td style=\"padding: 8px;\">UL 489 \u00a77.1.4.1.6<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u039c\u03b7 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ad\u03c2 \u039b\u03b1\u03b2\u03ad\u03c2\/\u039a\u03bf\u03c5\u03bc\u03c0\u03b9\u03ac<\/strong><\/td>\n<td style=\"padding: 8px;\">85\u00b0C \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7<\/td>\n<td style=\"padding: 8px;\">85\u00b0C \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7<\/td>\n<td style=\"padding: 8px;\">UL 489 \u00a77.1.4.1.6<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0395\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u0395\u03c0\u03b1\u03c6\u03ad\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03cc\u03c1\u03b9\u03bf (\u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03b3\u03b9\u03b1 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae)<\/td>\n<td style=\"padding: 8px;\">\u039a\u03b1\u03bd\u03ad\u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03cc\u03c1\u03b9\u03bf (\u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03b3\u03b9\u03b1 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae)<\/td>\n<td style=\"padding: 8px;\">UL 489 \u00a78.7<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0395\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03a0\u03b5\u03c1\u03b9\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0394\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1<\/td>\n<td style=\"padding: 8px;\">\u0394\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1<\/td>\n<td style=\"padding: 8px;\">UL 489 \u00a77.1.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u0392\u03b1\u03c3\u03b9\u03ba\u03ae \u03a0\u03b1\u03c1\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7<\/strong>: \u0397 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac 10\u00b0C \u03c3\u03c4\u03b7\u03bd \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2 \u03ba\u03b1\u03b9 100% (50\u00b0C \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 60\u00b0C) \u03b1\u03bd\u03c4\u03b1\u03bd\u03b1\u03ba\u03bb\u03ac \u03c4\u03b7\u03bd \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03b1\u03c0\u03cc\u03bd\u03b7\u03c3\u03b7 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03bc\u03b5 \u03c0\u03bb\u03ae\u03c1\u03b5\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1. \u0391\u03c5\u03c4\u03cc\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03bb\u03cc\u03b3\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf <a href=\"https:\/\/test.viox.com\/el\/standard-breaker-sizes\/\">\u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2 100%<\/a> \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b2\u03b5\u03bb\u03c4\u03b9\u03c9\u03bc\u03ad\u03bd\u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b1\u03b3\u03c9\u03b3\u03ae \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/VIOX-MCCB-cutaway-with-heat-signature-overlay.webp\" alt=\"VIOX MCCB internal heat distribution showing critical temperature measurement points per UL 489\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; margin-top: 8px;\">\u0395\u03b9\u03ba\u03cc\u03bd\u03b1 2: \u03a4\u03bf\u03bc\u03ae \u03b5\u03bd\u03cc\u03c2 MCCB VIOX \u03c0\u03bf\u03c5 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03bc\u03ae \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 UL 489.<\/figcaption><\/figure>\n<h2>\u0391\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 IEC 60947-2 \u03ba\u03b1\u03b9 IEC 60898-1<\/h2>\n<p>\u03a4\u03b1 \u03b4\u03b9\u03b5\u03b8\u03bd\u03ae \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03bc\u03b9\u03b1 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u03b1\u03bb\u03bb\u03ac \u03b5\u03bb\u03b1\u03c6\u03c1\u03ce\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03c3\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7:<\/p>\n<h3>\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 2: \u03a3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u0391\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 IEC 60947-2 \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 IEC 60898-1<\/h3>\n<table border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px; text-align: left;\">\u03a0\u03b1\u03c1\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2<\/th>\n<th style=\"padding: 8px; text-align: left;\">IEC 60947-2 (MCCB \u2013 \u0392\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03af)<\/th>\n<th style=\"padding: 8px; text-align: left;\">IEC 60898-1 (MCB \u2013 \u039f\u03b9\u03ba\u03b9\u03b1\u03ba\u03bf\u03af)<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0392\u03b1\u03c3\u03b9\u03ba\u03ae \u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03a0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">40\u00b0C (\u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 30\u00b0C \u03b3\u03b9\u03b1 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2)<\/td>\n<td style=\"padding: 8px;\">30\u00b0C \u03c4\u03c5\u03c0\u03b9\u03ba\u03ae \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac<\/td>\n<td style=\"padding: 8px;\">\u0392\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03bf\u03b9\u03ba\u03b9\u03b1\u03ba\u03ae\u03c2 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0391\u03cd\u03be\u03b7\u03c3\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u0391\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd<\/strong><\/td>\n<td style=\"padding: 8px;\">50-70\u00b0C \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03c4\u03bf\u03c5 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7<\/td>\n<td style=\"padding: 8px;\">60\u00b0C \u03b3\u03b9\u03b1 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2 \u03bc\u03b5 \u03b2\u03af\u03b4\u03b5\u03c2<\/td>\n<td style=\"padding: 8px;\">\u038c\u03c1\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u039b\u03b1\u03b2\u03ae \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0391\u03cd\u03be\u03b7\u03c3\u03b7 55\u00b0C (\u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae), \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 70\u00b0C (\u03bc\u03bf\u03bd\u03c9\u03c4\u03b9\u03ba\u03ae)<\/td>\n<td style=\"padding: 8px;\">\u03a0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<\/td>\n<td style=\"padding: 8px;\">\u0391\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0395\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03a0\u03b5\u03c1\u03b9\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0391\u03cd\u03be\u03b7\u03c3\u03b7 60-80\u00b0C \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc<\/td>\n<td style=\"padding: 8px;\">60\u00b0C \u03c4\u03c5\u03c0\u03b9\u03ba\u03ae \u03b1\u03cd\u03be\u03b7\u03c3\u03b7<\/td>\n<td style=\"padding: 8px;\">\u0394\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03b2\u03b1\u03b8\u03bc\u03cc \u03c1\u03cd\u03c0\u03b1\u03bd\u03c3\u03b7\u03c2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0392\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7 \u0398\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u0391\u03c0\u03bf\u03ba\u03bf\u03c0\u03ae\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u03a3\u03c4\u03bf \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1, 40\u00b0C \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/td>\n<td style=\"padding: 8px;\">\u03a3\u03c4\u03bf \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1, 30\u00b0C \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/td>\n<td style=\"padding: 8px;\">\u0395\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 <a href=\"https:\/\/test.viox.com\/el\/mcb-ambient-temperature-ratings-and-derating-factors\/\">\u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ad\u03c2 \u03c5\u03c0\u03bf\u03b2\u03b9\u03b2\u03b1\u03c3\u03bc\u03bf\u03cd<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u03a3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03a3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7<\/strong>: \u03a4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf IEC 60947-2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 <a href=\"https:\/\/test.viox.com\/el\/what-is-a-molded-case-circuit-breaker-mccb\/\">\u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5 \u03c7\u03c5\u03c4\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf \u03c0\u03b5\u03c1\u03af\u03b2\u03bb\u03b7\u03bc\u03b1 (MCCB)<\/a> \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03b3\u03b9\u03b1 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03bc\u03b5 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c0\u03b1\u03b9\u03c4\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2, \u03b5\u03bd\u03ce \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf IEC 60898-1 \u03b4\u03b9\u03ad\u03c0\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b9\u03ba\u03c1\u03bf\u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03bf\u03b9\u03ba\u03b9\u03b1\u03ba\u03ae \u03ba\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c6\u03c1\u03b9\u03ac \u03b5\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03ae \u03c7\u03c1\u03ae\u03c3\u03b7.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Circuit-breaker-heat-flow-schematic.webp\" alt=\"Technical diagram showing temperature zones and heat flow in VIOX circuit breaker per IEC 60947 standards\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; margin-top: 8px;\">\u03a3\u03c7\u03ae\u03bc\u03b1 3: \u03a3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b6\u03ce\u03bd\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ad\u03c2 \u03c1\u03bf\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03bf \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 VIOX, \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf IEC 60947.<\/figcaption><\/figure>\n<h2>\u0391\u03c0\u03cc\u03bb\u03c5\u03c4\u03b5\u03c2 \u039c\u03ad\u03b3\u03b9\u03c3\u03c4\u03b5\u03c2 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03c3\u03b5 \u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03a3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03a0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/h2>\n<p>\u039f\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c0\u03ac\u03bd\u03b9\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7\u03bd \u03c4\u03c5\u03c0\u03b9\u03ba\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd 40\u00b0C. \u0397 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03c9\u03bd \u03bf\u03c1\u03af\u03c9\u03bd \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae.<\/p>\n<h3>\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 3: \u0391\u03c0\u03cc\u03bb\u03c5\u03c4\u03b5\u03c2 \u039c\u03ad\u03b3\u03b9\u03c3\u03c4\u03b5\u03c2 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03c3\u03b5 \u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03a3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03a0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/h3>\n<table border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px; text-align: left;\">\u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u03a4\u03c5\u03c0\u03b9\u03ba\u03cc\u03c2 \u039f\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2 \u0391\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7\u03c2 (\u03b1\u03cd\u03be\u03b7\u03c3\u03b7 50\u00b0C)<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u039f\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2 \u0391\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7\u03c2 100% (\u03b1\u03cd\u03be\u03b7\u03c3\u03b7 60\u00b0C)<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u039c\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae \u039b\u03b1\u03b2\u03ae (60\u00b0C \u03bc\u03ad\u03b3.)<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u039c\u03b7 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ae \u039b\u03b1\u03b2\u03ae (85\u00b0C \u03bc\u03ad\u03b3.)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>25\u00b0C (77\u00b0F)<\/strong><\/td>\n<td style=\"padding: 8px;\">75\u00b0C (167\u00b0F)<\/td>\n<td style=\"padding: 8px;\">85\u00b0C (185\u00b0F)<\/td>\n<td style=\"padding: 8px;\">60\u00b0C (140\u00b0F)<\/td>\n<td style=\"padding: 8px;\">85\u00b0C (185\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>30\u00b0C (86\u00b0F)<\/strong><\/td>\n<td style=\"padding: 8px;\">80\u00b0C (176\u00b0F)<\/td>\n<td style=\"padding: 8px;\">90\u00b0C (194\u00b0F)<\/td>\n<td style=\"padding: 8px;\">60\u00b0C (140\u00b0F)<\/td>\n<td style=\"padding: 8px;\">85\u00b0C (185\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>40\u00b0C (104\u00b0F)<\/strong><\/td>\n<td style=\"padding: 8px;\">90\u00b0C (194\u00b0F)<\/td>\n<td style=\"padding: 8px;\">100\u00b0C (212\u00b0F)<\/td>\n<td style=\"padding: 8px;\">60\u00b0C (140\u00b0F)<\/td>\n<td style=\"padding: 8px;\">85\u00b0C (185\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>50\u00b0C (122\u00b0F)<\/strong><\/td>\n<td style=\"padding: 8px;\">100\u00b0C (212\u00b0F) \u26a0\ufe0f<\/td>\n<td style=\"padding: 8px;\">110\u00b0C (230\u00b0F) \u26a0\ufe0f<\/td>\n<td style=\"padding: 8px;\">60\u00b0C (140\u00b0F)<\/td>\n<td style=\"padding: 8px;\">85\u00b0C (185\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>60\u00b0C (140\u00b0F)<\/strong><\/td>\n<td style=\"padding: 8px;\">110\u00b0C (230\u00b0F) \u274c<\/td>\n<td style=\"padding: 8px;\">120\u00b0C (248\u00b0F) \u274c<\/td>\n<td style=\"padding: 8px;\">60\u00b0C (140\u00b0F)<\/td>\n<td style=\"padding: 8px;\">85\u00b0C (185\u00b0F)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u26a0\ufe0f = \u0391\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03c5\u03c0\u03bf\u03b2\u03b9\u03b2\u03b1\u03c3\u03bc\u03cc\u03c2 \u03ae \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03bc\u03ad\u03bd\u03b7 \u03c8\u03cd\u03be\u03b7<br \/>\n    \u274c = \u03a5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ad\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03af\u03b5\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b1\u03b3\u03c9\u03b3\u03ce\u03bd (90\u00b0C THHN\/XHHW)<\/p>\n<p><strong>\u03a3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc<\/strong>: \u03a3\u03b5 \u03b1\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2, \u03bf\u03b9 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ae\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b1\u03b3\u03c9\u03b3\u03ce\u03bd 75\u00b0C \u03ae 90\u00b0C. \u0393\u03b9' \u03b1\u03c5\u03c4\u03cc <a href=\"https:\/\/test.viox.com\/el\/electrical-derating-temperature-altitude-grouping-factors\/\">\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc\u03c2 \u03c5\u03c0\u03bf\u03b2\u03b9\u03b2\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b3\u03b9\u03b1 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1<\/a> \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf\u03c2 \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03ac \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1.<\/p>\n<h2>\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u0398\u03b5\u03c1\u03bc\u03b9\u03ba\u03ce\u03bd \u0394\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u0392\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7<\/h2>\n<p>\u03a4\u03cc\u03c3\u03bf \u03c4\u03bf UL 489 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf IEC 60947-2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03be\u03ac\u03b3\u03bf\u03c5\u03bd \u03b5\u03ba\u03c4\u03b5\u03c4\u03b1\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2:<\/p>\n<ol>\n<li><strong>\u03a1\u03cd\u03b8\u03bc\u03b9\u03c3\u03b7 \u0394\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/strong>: \u039f\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2 (\u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03bf\u03af \u03ae \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03bf\u03af) \u03ba\u03b1\u03b9 \u03c6\u03bf\u03c1\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1<\/li>\n<li><strong>\u03a0\u03b5\u03c1\u03af\u03bf\u03b4\u03bf\u03c2 \u03a3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2<\/strong>: \u03a4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd 3 \u03ce\u03c1\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03ad\u03c9\u03c2 \u03cc\u03c4\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c4\u03b5\u03c5\u03c7\u03b8\u03b5\u03af \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03af\u03b1<\/li>\n<li><strong>\u03a3\u03b7\u03bc\u03b5\u03af\u03b1 \u039c\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2<\/strong>: \u0398\u03b5\u03c1\u03bc\u03bf\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2, \u03c4\u03b9\u03c2 \u03bb\u03b1\u03b2\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/li>\n<li><strong>\u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03a0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/strong>: \u0394\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b5\u03be\u03ac\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd 40\u00b0C (UL 489) \u03ae \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b7\u03bb\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae (IEC)<\/li>\n<li><strong>\u039a\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03b1 \u0395\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1\u03c2\/\u0391\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1\u03c2<\/strong>: \u038c\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03cc\u03c1\u03b9\u03b1 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2<\/li>\n<\/ol>\n<p>\u0397 VIOX \u03b4\u03b9\u03b5\u03be\u03ac\u03b3\u03b5\u03b9 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 <a href=\"https:\/\/test.viox.com\/el\/types-of-circuit-breakers\/\">\u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7<\/a> \u03c3\u03c4\u03b1 \u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03b5\u03c5\u03bc\u03ad\u03bd\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03ac \u03bc\u03b1\u03c2, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03c4\u03cc\u03c3\u03bf \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 IEC \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 UL. \u0391\u03c5\u03c4\u03ae \u03b7 \u03b4\u03b9\u03c0\u03bb\u03ae \u03c0\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03b1 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03b1 \u03bc\u03b1\u03c2 \u03bd\u03b1 \u03b5\u03be\u03c5\u03c0\u03b7\u03c1\u03b5\u03c4\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03b5\u03c2 \u03b1\u03b3\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5 \u03b1\u03c5\u03c4\u03bf\u03c0\u03b5\u03c0\u03bf\u03af\u03b8\u03b7\u03c3\u03b7.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Terminal-temperature-comparison-chart.webp\" alt=\"Comparison of terminal temperature rise limits for standard vs 100% rated VIOX circuit breakers\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; margin-top: 8px;\">\u03a3\u03c7\u03ae\u03bc\u03b1 4: \u03a0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bf\u03c1\u03af\u03c9\u03bd \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03c5\u03c0\u03b9\u03ba\u03bf\u03cd\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c4\u03c9\u03bd \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd VIOX 100%.<\/figcaption><\/figure>\n<h2>\u03a5\u03c0\u03ad\u03c1\u03c5\u03b8\u03c1\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1: \u03a0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03a0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2<\/h2>\n<p>\u0397 \u03c5\u03c0\u03ad\u03c1\u03c5\u03b8\u03c1\u03b7 (IR) \u03b8\u03b5\u03c1\u03bc\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b3\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03cc \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03b7 \u03b5\u03c0\u03b5\u03bc\u03b2\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03cc\u03c3\u03bf \u03c4\u03b7\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1\u03c2 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03c9\u03bd.<\/p>\n<h3>\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 4: \u039f\u03b4\u03b7\u03b3\u03cc\u03c2 \u0395\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1\u03c2 \u03a5\u03c0\u03ad\u03c1\u03c5\u03b8\u03c1\u03b7\u03c2 \u0398\u03b5\u03c1\u03bc\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1\u03c2<\/h3>\n<table border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px; text-align: left;\">\u0391\u03cd\u03be\u03b7\u03c3\u03b7 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 (\u0394T)<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0398\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03a5\u03c0\u03bf\u03b3\u03c1\u03b1\u03c6\u03ae<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u03a3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ce\u03bc\u03b5\u03bd\u03b7 \u03b4\u03c1\u03ac\u03c3\u03b7<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u0395\u03c0\u03b5\u03af\u03b3\u03bf\u03c5\u03c3\u03b1\u03c2 \u0391\u03bd\u03ac\u03b3\u03ba\u03b7\u03c2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>0-10\u00b0C \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u03a0\u03c1\u03ac\u03c3\u03b9\u03bd\u03bf\/\u039c\u03c0\u03bb\u03b5 \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1<\/td>\n<td style=\"padding: 8px;\">\u039a\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1. \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03b2\u03ac\u03c3\u03b7\u03c2<\/td>\n<td style=\"padding: 8px;\">\u03a1\u03bf\u03c5\u03c4\u03af\u03bd\u03b1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>10-20\u00b0C \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u039a\u03af\u03c4\u03c1\u03b9\u03bd\u03bf \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1<\/td>\n<td style=\"padding: 8px;\">\u03a0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7. \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2<\/td>\n<td style=\"padding: 8px;\">\u03a7\u03b1\u03bc\u03b7\u03bb\u03ae \u03a0\u03c1\u03bf\u03c4\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>20-30\u00b0C \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u03a0\u03bf\u03c1\u03c4\u03bf\u03ba\u03b1\u03bb\u03af \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1<\/td>\n<td style=\"padding: 8px;\">\u0394\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2. \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c1\u03bf\u03c0\u03ae \u03c4\u03c9\u03bd \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd. \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c4\u03b1\u03c3\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd<\/td>\n<td style=\"padding: 8px;\">\u039c\u03b5\u03c3\u03b1\u03af\u03b1 \u03a0\u03c1\u03bf\u03c4\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>30-40\u00b0C \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u039a\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1<\/td>\n<td style=\"padding: 8px;\">\u03a0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03af\u03c3\u03c4\u03b5 \u03ac\u03bc\u03b5\u03c3\u03b7 \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7. \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c7\u03b1\u03bb\u03b1\u03c1\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2, \u03b4\u03b9\u03ac\u03b2\u03c1\u03c9\u03c3\u03b7 \u03ae \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7<\/td>\n<td style=\"padding: 8px;\">\u03a5\u03c8\u03b7\u03bb\u03ae \u03a0\u03c1\u03bf\u03c4\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>&gt;40\u00b0C \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u03a3\u03ba\u03bf\u03cd\u03c1\u03bf \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf\/\u03bb\u03b5\u03c5\u03ba\u03cc \u03c3\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1<\/td>\n<td style=\"padding: 8px;\"><strong>\u0391\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b7 \u03b4\u03c1\u03ac\u03c3\u03b7<\/strong>; \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c2 \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u00b7 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03af\u03c3\u03c4\u03b5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7<\/td>\n<td style=\"padding: 8px;\">\u039a\u03c1\u03af\u03c3\u03b9\u03bc\u03bf\u03c2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u0392\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c3\u03ac\u03c1\u03c9\u03c3\u03b7 IR<\/strong>:<\/p>\n<ul>\n<li>\u0391\u03c6\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd 3 \u03ce\u03c1\u03b5\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03ac\u03c1\u03c9\u03c3\u03b7<\/li>\n<li>\u039c\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ac \u03b3\u03b9\u03b1 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u0394T<\/li>\n<li>\u03a3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03c5\u03c0\u03cc \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03c4\u03b5 \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2<\/li>\n<li>\u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03ac\u03c1\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c5\u03c0\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7\u03c2<\/li>\n<li>\u039b\u03ac\u03b2\u03b5\u03c4\u03b5 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03b9\u03c2 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ae\u03c2 (\u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 0,95 \u03b3\u03b9\u03b1 \u03b2\u03b1\u03bc\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2, 0,3-0,5 \u03b3\u03b9\u03b1 \u03b3\u03c5\u03bc\u03bd\u03cc \u03c7\u03b1\u03bb\u03ba\u03cc)<\/li>\n<\/ul>\n<h2>\u0391\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03b8\u03b5\u03c1\u03bc\u03ce\u03bd \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd<\/h2>\n<p>\u038c\u03c4\u03b1\u03bd \u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7 \u03ae \u03b7 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7 \u03b1\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03b1\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2, \u03b7 \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7.<\/p>\n<h3>\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 5: \u039f\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03b7\u03c2 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u2013 \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03b4\u03b9\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7\u03c2 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/h3>\n<table border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px; text-align: left;\">\u03a3\u03cd\u03bc\u03c0\u03c4\u03c9\u03bc\u03b1<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u03a0\u03b9\u03b8\u03b1\u03bd\u03ae \u03b1\u03b9\u03c4\u03af\u03b1<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0394\u03b9\u03b1\u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u039b\u03cd\u03c3\u03b7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u039c\u03cc\u03bd\u03bf \u03b8\u03b5\u03c1\u03bc\u03bf\u03af \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u03a7\u03b1\u03bb\u03b1\u03c1\u03ae \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7, \u03c5\u03c0\u03bf\u03b4\u03b9\u03b1\u03c3\u03c4\u03b1\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b7\u03bc\u03ad\u03bd\u03bf\u03c2 \u03b1\u03b3\u03c9\u03b3\u03cc\u03c2, \u03ac\u03c1\u03b8\u03c1\u03c9\u03c3\u03b7 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2<\/td>\n<td style=\"padding: 8px;\">\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03c1\u03bf\u03c0\u03ae\u03c2\u00b7 \u03b5\u03c0\u03b9\u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03b4\u03b9\u03ac\u03b2\u03c1\u03c9\u03c3\u03b7\u00b7 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd<\/td>\n<td style=\"padding: 8px;\">\u0395\u03c0\u03b1\u03bd\u03b1\u03c3\u03c6\u03af\u03be\u03c4\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2\u00b7 \u03ba\u03b1\u03b8\u03b1\u03c1\u03af\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ad\u03c2\u00b7 \u03b1\u03c5\u03be\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd \u03b5\u03ac\u03bd \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0398\u03b5\u03c1\u03bc\u03cc \u03c3\u03ce\u03bc\u03b1 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7<\/strong><\/td>\n<td style=\"padding: 8px;\">\u03a3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b7 \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2, \u03c5\u03c0\u03bf\u03b2\u03b1\u03b8\u03bc\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03b4\u03b9\u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03cc \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf, \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03c6\u03b8\u03bf\u03c1\u03ac \u03b5\u03c0\u03b1\u03c6\u03ce\u03bd<\/td>\n<td style=\"padding: 8px;\">\u039c\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5\u00b7 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u00b7 \u03b5\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03b1\u03c0\u03cc\u03b6\u03b5\u03c5\u03be\u03b7\u03c2<\/td>\n<td style=\"padding: 8px;\">\u039c\u03b5\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u00b7 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 \u03b5\u03ac\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03bf\u03c5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0398\u03b5\u03c1\u03bc\u03ae \u03bb\u03b1\u03b2\u03ae<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0395\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03b5\u03c0\u03b1\u03c6\u03ad\u03c2\/\u03b4\u03b9\u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03cc \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf (\u03c6\u03c5\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03c3\u03b5 \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc)<\/td>\n<td style=\"padding: 8px;\">\u0395\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03bb\u03b1\u03b2\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 <60\u00b0C (metallic) or <85\u00b0C (non-metallic)<\/td>\n<td style=\"padding: 8px;\">\u0395\u03ac\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03bf\u03c1\u03af\u03c9\u03bd, \u03b4\u03b5\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u00b7 \u03b5\u03ac\u03bd \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b1 \u03cc\u03c1\u03b9\u03b1, \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u039f\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c2 \u03bf \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0391\u03bd\u03b5\u03c0\u03b1\u03c1\u03ba\u03ae\u03c2 \u03b1\u03b5\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2, \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03bf\u03bc\u03b1\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7, \u03c5\u03c8\u03b7\u03bb\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/td>\n<td style=\"padding: 8px;\">\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b1\u03b5\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2\u00b7 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u00b7 \u03b1\u03bd\u03b1\u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03c4\u03b5 <a href=\"https:\/\/test.viox.com\/el\/circuit-breaker-altitude-derating-guide\/\">\u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ad\u03c2 \u03c5\u03c0\u03bf\u03b2\u03b9\u03b2\u03b1\u03c3\u03bc\u03bf\u03cd<\/a><\/td>\n<td style=\"padding: 8px;\">\u0392\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b1\u03b5\u03c1\u03b9\u03c3\u03bc\u03cc\u00b7 \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c3\u03c4\u03b5 \u03c8\u03cd\u03be\u03b7\u00b7 \u03bc\u03b5\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf NEC\/IEC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0388\u03bd\u03b1\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b5\u03c1\u03bf\u03c2 \u03b1\u03c0\u03cc \u03c0\u03b1\u03bd\u03bf\u03bc\u03bf\u03b9\u03cc\u03c4\u03c5\u03c0\u03bf\u03c5\u03c2 \u03b3\u03b5\u03af\u03c4\u03bf\u03bd\u03b5\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0395\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03b5\u03bb\u03ac\u03c4\u03c4\u03c9\u03bc\u03b1, \u03c5\u03c0\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ce\u03bd, \u03bc\u03b5\u03c4\u03b1\u03c4\u03cc\u03c0\u03b9\u03c3\u03b7 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2<\/td>\n<td style=\"padding: 8px;\">\u03a3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd \u03c5\u03c0\u03cc \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1<\/td>\n<td style=\"padding: 8px;\">\u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd \u03cd\u03c0\u03bf\u03c0\u03c4\u03bf \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u00b7 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03b1\u03b9\u03c4\u03af\u03b1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u03a0\u03cc\u03c4\u03b5 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5<\/strong>: \u0395\u03ac\u03bd \u03ad\u03bd\u03b1\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03cc\u03c1\u03b9\u03b1 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03c5\u03c0\u03cc \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2, \u03b7 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c0\u03bf\u03c7\u03c1\u03b5\u03c9\u03c4\u03b9\u03ba\u03ae. \u0397 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c5\u03c0\u03b5\u03c1\u03b8\u03b5\u03c1\u03bc\u03b1\u03c3\u03bc\u03ad\u03bd\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd \u03b8\u03ad\u03c4\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf \u03c4\u03b7\u03bd \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2, \u03c4\u03b7\u03bd \u03c0\u03c5\u03c1\u03ba\u03b1\u03b3\u03b9\u03ac \u03ae \u03c4\u03b7\u03bd \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03ad\u03bd\u03c4\u03b1\u03c3\u03b7. \u039c\u03ac\u03b8\u03b5\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 <a href=\"https:\/\/test.viox.com\/el\/how-to-know-if-circuit-breaker-is-bad\/\">\u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03b5\u03bb\u03b1\u03c4\u03c4\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd<\/a>.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\">\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Temperature-troubleshooting-flowchart---Decision-tree-with-color-coded-severity-levels.webp\" alt=\"Temperature-based troubleshooting flowchart for VIOX MCB and MCCB thermal issues\" style=\"max-width: 100%; height: auto;\"><figcaption style=\"font-style: italic; margin-top: 8px;\">\u03a3\u03c7\u03ae\u03bc\u03b1 5: \u0394\u03b9\u03b1\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c1\u03bf\u03ae \u03b4\u03b9\u03b1\u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b2\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03b1\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03c9\u03bd \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03b9\u03ce\u03bd \u03c3\u03b5 VIOX MCB \u03ba\u03b1\u03b9 MCCB.<\/figcaption><\/figure>\n<h2>\u03a3\u03c5\u03bc\u03b2\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd<\/h2>\n<p>\u039c\u03b9\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7 \u03b1\u03bb\u03bb\u03ac \u03c3\u03c5\u03c7\u03bd\u03ac \u03c0\u03b1\u03c1\u03b1\u03b2\u03bb\u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c0\u03c4\u03c5\u03c7\u03ae \u03c4\u03c9\u03bd \u03bf\u03c1\u03af\u03c9\u03bd \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd. \u03a4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 NEC \u03ba\u03b1\u03b9 IEC \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03bf\u03b9 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd \u03bd\u03b1 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03ae \u03bd\u03b1 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7.<\/p>\n<p><strong>\u039a\u03bf\u03b9\u03bd\u03bf\u03af \u03c4\u03cd\u03c0\u03bf\u03b9 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd<\/strong>:<\/p>\n<ul>\n<li><strong>60\u00b0C (140\u00b0F)<\/strong>: TW, UF (\u03c0\u03b1\u03bb\u03b1\u03b9\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2)<\/li>\n<li><strong>75\u00b0C (167\u00b0F)<\/strong>: THW, THWN, RHW, USE<\/li>\n<li><strong>90\u00b0C (194\u00b0F)<\/strong>: THHN, THWN-2, XHHW-2, RHH, RHW-2<\/li>\n<\/ul>\n<p>\u0393\u03b9\u03b1 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ae\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2 \u03bc\u03b5 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 50\u00b0C (90\u00b0C \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03c3\u03c4\u03bf\u03c5\u03c2 40\u00b0C \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2), \u03b7 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7 90\u00b0C \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b5\u03c0\u03b1\u03c1\u03ba\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b8\u03ce\u03c1\u03b9\u03bf. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b7 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7 60\u00b0C \u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03b1\u03bd\u03b5\u03c0\u03b1\u03c1\u03ba\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03b5\u03b9 \u03c0\u03c1\u03cc\u03c9\u03c1\u03b1.<\/p>\n<p><strong>\u0392\u03b1\u03c3\u03b9\u03ba\u03cc\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b1\u03c2<\/strong>: \u039d\u03b1 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03b5\u03c4\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03cc\u03c4\u03b9 \u03b7 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd \u2265 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7 \u03c5\u03c0\u03cc \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b5\u03c2 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03ac \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03ae \u03cc\u03c4\u03b1\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 <a href=\"https:\/\/test.viox.com\/el\/current-limiting-circuit-breaker-guide\/\">\u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2 100%<\/a>.<\/p>\n<h2>IEC \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 UL \u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1: \u0392\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2<\/h2>\n<p>\u0395\u03bd\u03ce \u03c4\u03b1 IEC 60947-2 \u03ba\u03b1\u03b9 UL 489 \u03bc\u03bf\u03b9\u03c1\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03bf\u03c5\u03c2 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5\u03c2, \u03b1\u03c1\u03ba\u03b5\u03c4\u03ad\u03c2 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2:<\/p>\n<table border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 8px; text-align: left;\">\u038c\u03c8\u03b7<\/th>\n<th style=\"padding: 8px; text-align: left;\">IEC 60947-2<\/th>\n<th style=\"padding: 8px; text-align: left;\">UL 489<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u03a3\u03cd\u03b3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03a0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">40\u00b0C (\u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9)<\/td>\n<td style=\"padding: 8px;\">40\u00b0C (\u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc)<\/td>\n<td style=\"padding: 8px;\">\u03a4\u03bf IEC \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u038c\u03c1\u03b9\u03b1 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0395\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc (50-70\u00b0C)<\/td>\n<td style=\"padding: 8px;\">\u03a3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc (50\u00b0C \u03c4\u03c5\u03c0\u03b9\u03ba\u03cc, 60\u00b0C \u03b3\u03b9\u03b1 100%)<\/td>\n<td style=\"padding: 8px;\">\u03a4\u03bf IEC \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b5\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03bf \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03c4\u03bf\u03c5 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c0\u03b5\u03c1\u03b9\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u0394\u03bf\u03ba\u03b9\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c0\u03b5\u03c1\u03af\u03b2\u03bb\u03b7\u03bc\u03b1<\/td>\n<td style=\"padding: 8px;\">\u0394\u03bf\u03ba\u03b9\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03c0\u03b5\u03c1\u03af\u03b2\u03bb\u03b7\u03bc\u03b1<\/td>\n<td style=\"padding: 8px;\">\u03a4\u03bf UL \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ac \u03c0\u03b9\u03bf \u03c3\u03c5\u03bd\u03c4\u03b7\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u03a3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae<\/strong><\/td>\n<td style=\"padding: 8px;\">100% \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03b1\u03c0\u03cc \u03c0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae<\/td>\n<td style=\"padding: 8px;\">80% \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b5\u03ac\u03bd \u03b5\u03c0\u03b9\u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 100%<\/td>\n<td style=\"padding: 8px;\">\u039f\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 IEC \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c0\u03b9\u03bf \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03bf\u03af \u03b3\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u039f\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u039c\u03b5\u03af\u03c9\u03c3\u03b7\u03c2 \u0391\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2<\/strong><\/td>\n<td style=\"padding: 8px;\">\u039a\u03b1\u03bc\u03c0\u03cd\u03bb\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae<\/td>\n<td style=\"padding: 8px;\">\u03a4\u03bf NEC \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2<\/td>\n<td style=\"padding: 8px;\">\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0393\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03c0\u03b9\u03bd\u03ac\u03ba\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b5\u03be\u03c5\u03c0\u03b7\u03c1\u03b5\u03c4\u03bf\u03cd\u03bd \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03b5\u03c2 \u03b1\u03b3\u03bf\u03c1\u03ad\u03c2, \u03b7 VIOX \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2. \u039f\u03b9 <a href=\"https:\/\/test.viox.com\/el\/quality-assurance-in-mcb-manufacturing\/\">\u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/a> \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03b9\u03bf \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2.<\/p>\n<h2>\u03a0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u039f\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2<\/h2>\n<p><strong>\u0393\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03c0\u03b9\u03bd\u03ac\u03ba\u03c9\u03bd<\/strong>:<\/p>\n<ol>\n<li>\u039d\u03b1 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03b5\u03c4\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03c3\u03b1\u03c2<\/li>\n<li>\u039b\u03ac\u03b2\u03b5\u03c4\u03b5 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b8\u03ad\u03c1\u03bc\u03b1\u03bd\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2\u2014\u03b7 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 10-20\u00b0C \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b4\u03c9\u03bc\u03b1\u03c4\u03af\u03bf\u03c5<\/li>\n<li>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c3\u03b5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2<\/li>\n<li>\u0395\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03bf\u03b4\u03b9\u03ba\u03ae \u03c3\u03ac\u03c1\u03c9\u03c3\u03b7 IR \u03c9\u03c2 \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2<\/li>\n<li>\u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03ac\u03c3\u03b5\u03c9\u03bd<\/li>\n<\/ol>\n<p><strong>\u0393\u03b9\u03b1 \u0394\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u0395\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd<\/strong>:<\/p>\n<ol>\n<li>\u03a0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03af\u03c3\u03c4\u03b5 \u03b5\u03c4\u03ae\u03c3\u03b9\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 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href=\"https:\/\/test.viox.com\/el\/mcb-ambient-temperature-ratings-and-derating-factors\/\">\u03bc\u03b5\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2<\/a> \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03ac \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1<\/li>\n<li>\u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac<\/li>\n<\/ol>\n<h2>\u03a3\u03c5\u03c7\u03bd\u03ad\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2: \u0391\u03cd\u03be\u03b7\u03c3\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2<\/h2>\n<h3>\u0395: \u03a0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c3\u03c6\u03b1\u03bb\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03ad\u03bd\u03b1\u03bd \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2;<\/h3>\n<p>\u0391: \u0393\u03b9\u03b1 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03bc\u03b5 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ae \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf UL 489, \u03bf\u03b9 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b5\u03c2 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 90\u00b0C (\u03b1\u03cd\u03be\u03b7\u03c3\u03b7 50\u00b0C \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 40\u00b0C). \u0393\u03b9\u03b1 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03bc\u03b5 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae 100%, \u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 100\u00b0C \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 (\u03b1\u03cd\u03be\u03b7\u03c3\u03b7 60\u00b0C). \u03a4\u03bf IEC 60947-2 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\u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7 50\u00b0C \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 40\u00b0C, \u03b8\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03c5\u03c2 90\u00b0C \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7\u2014\u03c0\u03bf\u03bb\u03cd \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03cc\u03c1\u03b9\u03b1 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 60\u00b0C. \u039d\u03b1 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03b5\u03c4\u03b5 \u03ae \u03bd\u03b1 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03b7\u03bd \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7.<\/p>\n<h3>\u0395: \u03a0\u03cc\u03c3\u03bf \u03ba\u03b1\u03b9\u03c1\u03cc \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bc\u03ad\u03bd\u03c9 \u03c0\u03c1\u03b9\u03bd \u03bb\u03ac\u03b2\u03c9 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 IR \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7;<\/h3>\n<p>\u0391: \u0391\u03c6\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd 3 \u03ce\u03c1\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c3\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03bf \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03af\u03b1. \u0397 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03bc\u03ac\u03b6\u03b1 \u03c3\u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b3\u03cd\u03c1\u03c9 \u03c0\u03b5\u03c1\u03af\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c7\u03c1\u03cc\u03bd\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af. \u0393\u03b9\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b5\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03c0\u03c1\u03bf\u03c4\u03b9\u03bc\u03ce\u03bd\u03c4\u03b1\u03b9 4-6 \u03ce\u03c1\u03b5\u03c2. \u0397 \u03bb\u03ae\u03c8\u03b7 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03c9\u03bd \u03c0\u03bf\u03bb\u03cd \u03bd\u03c9\u03c1\u03af\u03c2 \u03b8\u03b1 \u03c5\u03c0\u03bf\u03c4\u03b9\u03bc\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2.<\/p>\n<h3>\u0395: \u03a4\u03b9 \u03bb\u03ad\u03b5\u03b9 \u03c4\u03bf UL 489 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03bc\u03b5 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae 100%;<\/h3>\n<p>\u0391: \u0397 \u03c0\u03b1\u03c1\u03ac\u03b3\u03c1\u03b1\u03c6\u03bf\u03c2 7.1.4.3.3 \u03c4\u03bf\u03c5 UL 489 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03bc\u03b5 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae 100% \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7 \u03ad\u03c9\u03c2 \u03ba\u03b1\u03b9 60\u00b0C (\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 50\u00b0C \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03c5\u03c0\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2), \u03bc\u03b5 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 100\u00b0C \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 40\u00b0C. \u0391\u03c5\u03c4\u03bf\u03af \u03bf\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b5\u03b9\u03b4\u03b9\u03ba\u03ae \u03c3\u03ae\u03bc\u03b1\u03bd\u03c3\u03b7 \u201c\u039a\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b3\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c3\u03c4\u03bf 100% \u03c4\u03b7\u03c2 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2\u201d \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03b2\u03b5\u03bb\u03c4\u03b9\u03c9\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1 \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b1\u03b3\u03c9\u03b3\u03ae \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2.<\/p>\n<h2>\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1<\/h2>\n<ul>\n<li><strong>\u03a4\u03b1 \u03cc\u03c1\u03b9\u03b1 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1<\/strong>: \u03a4\u03b1 UL 489 \u03ba\u03b1\u03b9 IEC 60947-2 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2, \u03c5\u03c0\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03c9\u03bd \u03c0\u03c5\u03c1\u03ba\u03b1\u03b3\u03b9\u03ac\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2.<\/li>\n<li><strong>\u039f\u03b9 \u03c4\u03c5\u03c0\u03b9\u03ba\u03bf\u03af \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03c4\u03ce\u03bd \u03bc\u03b5 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae 100% \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03ac 10\u00b0C<\/strong>: \u039f\u03b9 \u03c4\u03c5\u03c0\u03b9\u03ba\u03bf\u03af \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7 50\u00b0C (90\u00b0C \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 40\u00b0C), \u03b5\u03bd\u03ce \u03bf\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03bc\u03b5 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae 100% \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 60\u00b0C (100\u00b0C \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7)\u2014\u03bc\u03b9\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b3\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2.<\/li>\n<li><strong>\u0391\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 = \u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 + \u0391\u03cd\u03be\u03b7\u03c3\u03b7<\/strong>: \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b9\u03c2 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2, \u03cc\u03c7\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c4\u03b7\u03bd \u03c4\u03c5\u03c0\u03b9\u03ba\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2 40\u00b0C, \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03ac \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1.<\/li>\n<li><strong>\u0397 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7<\/strong>: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd\u03c2 \u03bc\u03b5 \u03bf\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae 90\u00b0C (THHN, XHHW-2) \u03b3\u03b9\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2. \u0397 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7 60\u00b0C \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b5\u03c0\u03b1\u03c1\u03ba\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b2\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1.<\/li>\n<li><strong>\u0397 \u03c5\u03c0\u03ad\u03c1\u03c5\u03b8\u03c1\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 3+ \u03c9\u03c1\u03ce\u03bd<\/strong>: \u0397 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bc\u03cc\u03bd\u03bf \u03b1\u03c6\u03bf\u03cd \u03bf\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c6\u03c4\u03ac\u03c3\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03af\u03b1\u2014\u03bf\u03b9 \u03c0\u03c1\u03cc\u03c9\u03c1\u03b5\u03c2 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03c5\u03c0\u03bf\u03c4\u03b9\u03bc\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2.<\/li>\n<li><strong>\u0394T &gt; 30\u00b0C \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03ac\u03bc\u03b5\u03c3\u03b7 \u03b4\u03b9\u03b5\u03c1\u03b5\u03cd\u03bd\u03b7\u03c3\u03b7<\/strong>: \u0397 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 30\u00b0C \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2 \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03c7\u03b1\u03bb\u03b1\u03c1\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2, \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03ae \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03c5\u03c0\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03ac\u03bc\u03b5\u03c3\u03b7 \u03b4\u03b9\u03bf\u03c1\u03b8\u03c9\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1.<\/li>\n<li><strong>\u03a4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 IEC \u03ba\u03b1\u03b9 UL \u03b5\u03c5\u03b8\u03c5\u03b3\u03c1\u03b1\u03bc\u03bc\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c1\u03c7\u03ad\u03c2<\/strong>: \u0395\u03bd\u03ce \u03bf\u03b9 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b5\u03bb\u03b1\u03c6\u03c1\u03ce\u03c2, \u03c4\u03cc\u03c3\u03bf \u03c4\u03bf IEC 60947-2 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf UL 489 \u03c3\u03c4\u03bf\u03c7\u03b5\u03cd\u03bf\u03c5\u03bd \u03c3\u03b5 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u03cc\u03c1\u03b9\u03b1 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2.<\/li>\n<li><strong>\u0397 \u03c0\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b5\u03c2<\/strong>: \u039f\u03b9 \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c1\u03bf\u03c0\u03ae \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03c1\u03b9\u03bd \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03ae \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ac \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2\u2014\u03b5\u03c0\u03b5\u03bd\u03b4\u03cd\u03c3\u03c4\u03b5 \u03c3\u03b5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc IR \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c0\u03b1\u03af\u03b4\u03b5\u03c5\u03c3\u03b7.<\/li>\n<\/ul>\n<p>\u0393\u03b9\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03bb\u03b7\u03c1\u03bf\u03af \u03c4\u03b9\u03c2 \u03c0\u03b9\u03bf \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03ad\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2, \u03b5\u03be\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bb\u03ae\u03c1\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac \u03c4\u03b7\u03c2 VIOX <a href=\"https:\/\/test.viox.com\/el\/mcb\/\">MCBs<\/a> \u03ba\u03b1\u03b9 <a href=\"https:\/\/test.viox.com\/el\/mccb\/\">MCCBs<\/a> \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 IEC \u03ba\u03b1\u03b9 UL. \u0397 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03bc\u03b1\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd, \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b1\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03bc\u03b5 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03c9\u03bd \u03bf\u03c1\u03af\u03c9\u03bd \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Understanding Temperature Rise in Circuit Breakers: Why It Matters Every circuit breaker generates heat during normal operation. When electrical current flows through the internal components\u2014contacts, bimetal strips, and terminals\u2014resistance creates thermal energy. While some heating is inevitable, excessive temperature rise can degrade insulation, accelerate contact wear, cause nuisance tripping, and ultimately lead to catastrophic failure. 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