{"id":21379,"date":"2026-01-21T00:11:17","date_gmt":"2026-01-20T16:11:17","guid":{"rendered":"https:\/\/viox.com\/?p=21379"},"modified":"2026-01-21T00:11:19","modified_gmt":"2026-01-20T16:11:19","slug":"mccb-trip-unit-settings-ir-isd-ii-explained","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ar\/mccb-trip-unit-settings-ir-isd-ii-explained\/","title":{"rendered":"\u0641\u0647\u0645 \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0648\u062d\u062f\u0629 \u0641\u0635\u0644 \u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0648\u0644\u0628 (MCCB): \u0634\u0631\u062d Ir \u0648 Im \u0648 Isd \u0648 Ii"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\u0644\u0645\u0627\u0630\u0627 \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0648\u062d\u062f\u0629 \u0641\u0635\u0644 \u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0648\u0644\u0628 (MCCB) \u0645\u0647\u0645\u0629: \u0623\u0633\u0627\u0633 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/h2>\n<p>\u062a\u062a\u0637\u0644\u0628 \u0623\u0646\u0638\u0645\u0629 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u062d\u0645\u0627\u064a\u0629 \u062f\u0642\u064a\u0642\u0629 \u0648\u0645\u0648\u062b\u0648\u0642\u0629 \u0636\u062f \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0648\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629. \u0641\u064a \u0642\u0644\u0628 \u0647\u0630\u0647 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u064a\u0643\u0645\u0646 <a href=\"https:\/\/test.viox.com\/ar\/what-is-a-molded-case-circuit-breaker-mccb\/\">molded case circuit breaker (MCCB)<\/a> \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 - \u201c\u0627\u0644\u062f\u0645\u0627\u063a\u201d \u0627\u0644\u0630\u064a \u064a\u062d\u062f\u062f \u0645\u062a\u0649 \u0648\u0643\u064a\u0641 \u064a\u0633\u062a\u062c\u064a\u0628 \u0627\u0644\u0642\u0627\u0637\u0639 \u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0623\u0639\u0637\u0627\u0644. \u0639\u0644\u0649 \u0639\u0643\u0633 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631\u0629 \u0630\u0627\u062a \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u062b\u0627\u0628\u062a\u060c, <a href=\"https:\/\/test.viox.com\/ar\/mccb\/\">\u0645\u0631\u0643\u0628\u0627\u062a MCCBs<\/a> \u0627\u0644\u0645\u0632\u0648\u062f\u0629 \u0628\u0648\u062d\u062f\u0627\u062a \u0641\u0635\u0644 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0639\u062f\u064a\u0644 \u062a\u0645\u0646\u062d \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0627\u0644\u0645\u0631\u0648\u0646\u0629 \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u062a\u0643\u064a\u064a\u0641 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0639 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0645\u062d\u062f\u062f\u0629\u060c \u0648\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0628\u064a\u0646 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629\u060c \u0648\u0645\u0646\u0639 \u0627\u0644\u062a\u0648\u0642\u0641 \u063a\u064a\u0631 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0645\u0632\u0639\u062c.<\/p>\n<p>\u0641\u0647\u0645 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0623\u0631\u0628\u0639 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 -<strong>Ir<\/strong> (\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f \u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u0645\u062f)\u060c, <strong>Im<\/strong> (\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u064a\u0631)\u060c, <strong>Isd<\/strong> (\u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u064a\u0631)\u060c \u0648 <strong>Ii<\/strong> (\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0641\u0648\u0631\u064a\u0629) - \u0623\u0645\u0631 \u0636\u0631\u0648\u0631\u064a \u0644\u0623\u064a \u0634\u062e\u0635 \u064a\u0634\u0627\u0631\u0643 \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0623\u0648 \u0628\u0646\u0627\u0621 \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u0623\u0648 \u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0645\u0631\u0627\u0641\u0642. \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062f\u064a \u0627\u0644\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u063a\u064a\u0631 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0625\u0644\u0649 \u062d\u0645\u0627\u064a\u0629 \u063a\u064a\u0631 \u0643\u0627\u0641\u064a\u0629 \u0623\u0648 \u0641\u0634\u0644 \u0641\u064a \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0623\u0648 \u0631\u062d\u0644\u0627\u062a \u062e\u0627\u0637\u0626\u0629 \u0645\u062a\u0643\u0631\u0631\u0629 \u062a\u0639\u0637\u0644 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a. \u064a\u0634\u0631\u062d \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u0644\u0634\u0627\u0645\u0644 \u0643\u0644 \u0645\u0639\u0644\u0645\u0629\u060c \u0648\u064a\u0642\u062f\u0645 \u0637\u0631\u0642 \u062d\u0633\u0627\u0628 \u0639\u0645\u0644\u064a\u0629\u060c \u0648\u064a\u0648\u0636\u062d \u0643\u064a\u0641\u064a\u0629 \u062a\u0643\u0648\u064a\u0646 VIOX <a href=\"https:\/\/test.viox.com\/ar\/mccb\/\">\u0648\u062d\u062f\u0627\u062a \u0641\u0635\u0644 \u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0648\u0644\u0628 (MCCB)<\/a> \u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0623\u0645\u062b\u0644 \u0648\u0627\u0644\u0633\u0644\u0627\u0645\u0629.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-MCCB-Electronic-trip-unit-close-up.webp\" alt=\"VIOX electronic trip unit with adjustable Ir, Im, Isd, and Ii protection settings for MCCB\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u0627\u0644\u0634\u0643\u0644 1: \u0644\u0642\u0637\u0629 \u0645\u0642\u0631\u0651\u0628\u0629 \u0644\u0648\u062d\u062f\u0629 \u0641\u0635\u0644 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 VIOX \u062a\u0639\u0631\u0636 \u0625\u0639\u062f\u0627\u062f\u0627\u062a Ir \u0648 Im \u0648 Isd \u0648 Ii \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0639\u062f\u064a\u0644.<\/figcaption><\/figure>\n<h2>\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629: \u0641\u0647\u0645 \u0627\u0644\u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627<\/h2>\n<p>\u0642\u0628\u0644 \u0627\u0644\u062e\u0648\u0636 \u0641\u064a \u0645\u0639\u0644\u0645\u0627\u062a \u0645\u062d\u062f\u062f\u0629\u060c \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0641\u0647\u0645 \u0627\u0644\u0627\u062b\u0646\u064a\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u064a\u0646 <a href=\"https:\/\/test.viox.com\/ar\/types-of-circuit-breakers\/\">\u0623\u0646\u0648\u0627\u0639 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/a> \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0641\u0635\u0644 \u0648\u0643\u064a\u0641 \u062a\u062e\u062a\u0644\u0641 \u0641\u064a \u0627\u0644\u0648\u0638\u0627\u0626\u0641 \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0639\u062f\u064a\u0644.<\/p>\n<h3>\u0627\u0644\u062c\u062f\u0648\u0644 1: \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u064a\u0646 \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 \u0648\u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u0627\u0644\u0645\u064a\u0632\u0629<\/th>\n<th>\u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629<\/th>\n<th>\u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0645\u0628\u062f\u0623 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/strong><\/td>\n<td>\u0634\u0631\u064a\u0637 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0645\u0639\u062f\u0646 (\u062d\u0631\u0627\u0631\u064a) + \u0645\u0644\u0641 \u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a (\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a)<\/td>\n<td>\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 (CTs) + \u0645\u0639\u0627\u0644\u062c \u062f\u0642\u064a\u0642<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0639\u062f\u064a\u0644 Ir<\/strong><\/td>\n<td>\u0645\u062d\u062f\u0648\u062f \u0623\u0648 \u062b\u0627\u0628\u062a (\u0639\u0627\u062f\u0629\u064b 0.7-1.0 \u00d7 In)<\/td>\n<td>\u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 (\u0639\u0627\u062f\u0629\u064b 0.4-1.0 \u00d7 In)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0639\u062f\u064a\u0644 Isd<\/strong><\/td>\n<td>\u063a\u064a\u0631 \u0645\u062a\u0648\u0641\u0631 (\u0645\u062f\u0645\u062c \u0645\u0639 Ii)<\/td>\n<td>\u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0639\u062f\u064a\u0644 \u0628\u0627\u0644\u0643\u0627\u0645\u0644 (1.5-10 \u00d7 Ir)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0639\u062f\u064a\u0644 Ii<\/strong><\/td>\n<td>\u0646\u0637\u0627\u0642 \u062b\u0627\u0628\u062a \u0623\u0648 \u0645\u062d\u062f\u0648\u062f (\u0639\u0627\u062f\u0629\u064b 5-10 \u00d7 In)<\/td>\n<td>\u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 (2-15 \u00d7 Ir \u0623\u0648 \u0623\u0639\u0644\u0649)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0639\u062f\u064a\u0644 \u062a\u0623\u062e\u064a\u0631 \u0627\u0644\u0648\u0642\u062a<\/strong><\/td>\n<td>\u0645\u0646\u062d\u0646\u0649 \u0639\u0643\u0633\u064a \u062b\u0627\u0628\u062a<\/td>\n<td>tsd \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0639\u062f\u064a\u0644 (0.05-0.5 \u062b\u0627\u0646\u064a\u0629 \u0646\u0645\u0648\u0630\u062c\u064a)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062d\u0645\u0627\u064a\u0629 I\u00b2t<\/strong><\/td>\n<td>\u063a\u064a\u0631 \u0645\u062a\u0648\u0641\u0631<\/td>\n<td>\u0645\u062a\u0648\u0641\u0631 \u0641\u064a \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u062f\u0642\u0629<\/strong><\/td>\n<td>\u00b120% \u0646\u0645\u0648\u0630\u062c\u064a<\/td>\n<td>\u00b15-10% \u0646\u0645\u0648\u0630\u062c\u064a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062d\u0633\u0627\u0633\u064a\u0629 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/strong><\/td>\n<td>\u064a\u062a\u0623\u062b\u0631 \u0628\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629<\/td>\n<td>\u064a\u062a\u0645 \u062a\u0639\u0648\u064a\u0636\u0647 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u064b\u0627<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0623\u0631\u0636\u064a\u0629<\/strong><\/td>\n<td>\u064a\u062a\u0637\u0644\u0628 \u0648\u062d\u062f\u0629 \u0645\u0646\u0641\u0635\u0644\u0629<\/td>\n<td>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u062a\u0645 \u062f\u0645\u062c\u0647 (\u0625\u0639\u062f\u0627\u062f Ig)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u0639\u0631\u0636\/\u0627\u0644\u062a\u0634\u062e\u064a\u0635<\/strong><\/td>\n<td>\u0644\u0627 \u0623\u062d\u062f<\/td>\n<td>\u0634\u0627\u0634\u0629 LCD\u060c \u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0623\u062d\u062f\u0627\u062b\u060c \u0627\u0644\u0627\u062a\u0635\u0627\u0644<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/strong><\/td>\n<td>\u0623\u0642\u0644<\/td>\n<td>\u0623\u0639\u0644\u0649<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/strong><\/td>\n<td>\u0645\u063a\u0630\u064a\u0627\u062a \u0628\u0633\u064a\u0637\u0629\u060c \u0623\u062d\u0645\u0627\u0644 \u062b\u0627\u0628\u062a\u0629<\/td>\n<td>\u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0648\u0627\u0644\u0645\u0648\u0644\u062f\u0627\u062a \u0648\u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0645\u0639\u0642\u062f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u0631\u0624\u064a\u0629 \u0623\u0633\u0627\u0633\u064a\u0629<\/strong>: \u062a\u0648\u0641\u0631 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0645\u0631\u0648\u0646\u0629 \u0648\u062f\u0642\u0629 \u0623\u0643\u0628\u0631 \u0628\u0643\u062b\u064a\u0631\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0636\u0631\u0648\u0631\u064a\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u062a\u0646\u0633\u064a\u0642\u064b\u0627 \u0645\u062d\u0643\u0645\u064b\u0627 \u0623\u0648 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0623\u0648 \u0627\u0644\u062a\u0643\u0627\u0645\u0644 \u0645\u0639 \u0623\u0646\u0638\u0645\u0629 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0645\u0628\u0627\u0646\u064a. \u062a\u0642\u062f\u0645 VIOX \u0643\u0644\u062a\u0627 \u0627\u0644\u062a\u0642\u0646\u064a\u062a\u064a\u0646\u060c \u0645\u0639 \u0627\u0644\u062a\u0648\u0635\u064a\u0629 \u0628\u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0644\u0644\u0645\u0646\u0634\u0622\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0645\u064a\u0632\u0627\u062a \u062d\u0645\u0627\u064a\u0629 \u0645\u062a\u0642\u062f\u0645\u0629.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/MCCB-cutaway-product-photography.webp\" alt=\"VIOX MCCB cutaway showing electronic trip unit components including current transformers and microprocessor\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u0627\u0644\u0634\u0643\u0644 2: \u0639\u0631\u0636 \u0645\u0642\u0637\u0639\u064a \u062f\u0627\u062e\u0644\u064a \u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0648\u0644\u0628 (MCCB) VIOX \u064a\u0633\u0644\u0637 \u0627\u0644\u0636\u0648\u0621 \u0639\u0644\u0649 \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0648\u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0644\u062c \u0627\u0644\u062f\u0642\u064a\u0642.<\/figcaption><\/figure>\n<h2>\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0627\u0644\u0623\u0631\u0628\u0639\u0629: \u0634\u0631\u062d Ir \u0648 Im \u0648 Isd \u0648 Ii<\/h2>\n<h3>\u0627\u0644\u062c\u062f\u0648\u0644 2: \u0645\u0631\u062c\u0639 \u0633\u0631\u064a\u0639 \u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/th>\n<th>\u0627\u0644\u0627\u0633\u0645 \u0627\u0644\u0643\u0627\u0645\u0644<\/th>\n<th>\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629<\/th>\n<th>\u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<th>\u062e\u0627\u0635\u064a\u0629 \u0627\u0644\u0648\u0642\u062a<\/th>\n<th>\u0627\u0644\u063a\u0631\u0636 \u0627\u0644\u0623\u0633\u0627\u0633\u064a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Ir<\/strong><\/td>\n<td>\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0637\u0648\u064a\u0644<\/td>\n<td>\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\/\u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f<\/td>\n<td>0.4-1.0 \u00d7 In<\/td>\n<td>\u0648\u0642\u062a \u0639\u0643\u0633\u064a (tr)<\/td>\n<td>\u064a\u062d\u0645\u064a \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0645\u0646 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629<\/td>\n<\/tr>\n<tr>\n<td><strong>Im<\/strong><\/td>\n<td>\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u064a\u0631<\/td>\n<td>\u063a\u064a\u0631 \u0645\u062a\u0648\u0641\u0631 (\u0645\u062f\u0645\u062c \u0645\u0639 Isd)<\/td>\n<td>\u063a\u064a\u0631 \u0645\u062a\u0627\u062d<\/td>\n<td>\u063a\u064a\u0631 \u0645\u062a\u0627\u062d<\/td>\n<td>\u0645\u0635\u0637\u0644\u062d \u0642\u062f\u064a\u0645\u060c \u0627\u0646\u0638\u0631 Isd<\/td>\n<\/tr>\n<tr>\n<td><strong>Isd<\/strong><\/td>\n<td>\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u064a\u0631<\/td>\n<td>\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0645\u0639 \u0627\u0644\u062a\u0623\u062e\u064a\u0631<\/td>\n<td>1.5-10 \u00d7 Ir<\/td>\n<td>\u0632\u0645\u0646 \u0645\u062d\u062f\u062f (tsd)<\/td>\n<td>\u064a\u0633\u0645\u062d \u0644\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0623\u0648\u0644\u0627\u064b<\/td>\n<\/tr>\n<tr>\n<td><strong>Ii<\/strong><\/td>\n<td>\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0644\u062d\u0638\u064a<\/td>\n<td>\u062d\u0645\u0627\u064a\u0629 \u0641\u0648\u0631\u064a\u0629 \u0645\u0646 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/td>\n<td>2-15 \u00d7 Ir (\u0623\u0648 \u0623\u0639\u0644\u0649)<\/td>\n<td>\u0644\u0627 \u064a\u0648\u062c\u062f \u062a\u0623\u062e\u064a\u0631 (&lt;0.05 \u062b\u0627\u0646\u064a\u0629)<\/td>\n<td>\u064a\u062d\u0645\u064a \u0645\u0646 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0634\u062f\u064a\u062f\u0629<\/td>\n<\/tr>\n<tr>\n<td><strong>tr<\/strong><\/td>\n<td>\u062a\u0623\u062e\u064a\u0631 \u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u0645\u062f<\/td>\n<td>\u0632\u0645\u0646 \u0641\u0635\u0644 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f<\/td>\n<td>\u0645\u0646\u062d\u0646\u0649 \u0639\u0643\u0633\u064a \u062b\u0627\u0628\u062a<\/td>\n<td>\u0639\u0643\u0633\u064a (I\u00b2t)<\/td>\n<td>\u064a\u0637\u0627\u0628\u0642 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0644\u0645\u0648\u0635\u0644<\/td>\n<\/tr>\n<tr>\n<td><strong>tsd<\/strong><\/td>\n<td>\u062a\u0623\u062e\u064a\u0631 \u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f<\/td>\n<td>\u062a\u0623\u062e\u064a\u0631 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/td>\n<td>0.05-0.5 \u062b\u0627\u0646\u064a\u0629<\/td>\n<td>\u0632\u0645\u0646 \u0645\u062d\u062f\u062f<\/td>\n<td>\u064a\u062a\u064a\u062d \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u0645\u0644\u0627\u062d\u0638\u0629 \u062d\u0648\u0644 \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a<\/strong>: \u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u0645\u0635\u0637\u0644\u062d \u201cIm\u201d \u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u0628\u0627\u0644\u062a\u0628\u0627\u062f\u0644 \u0645\u0639 \u201cIsd\u201d \u0641\u064a \u0627\u0644\u0623\u062f\u0628\u064a\u0627\u062a \u0627\u0644\u0642\u062f\u064a\u0645\u0629\u060c \u0648\u0644\u0643\u0646 \u0645\u0639\u0627\u064a\u064a\u0631 IEC 60947-2 \u0648 UL 489 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u062a\u0634\u064a\u0631 \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a \u0625\u0644\u0649 <strong>Isd<\/strong> \u0644\u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f \u0648 <strong>Ii<\/strong> \u0644\u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0644\u062d\u0638\u064a. \u064a\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629.<\/p>\n<h2>Ir (\u062d\u0645\u0627\u064a\u0629 \u0637\u0648\u064a\u0644\u0629 \u0627\u0644\u0623\u0645\u062f): \u062a\u062d\u062f\u064a\u062f \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/h2>\n<p><strong>Ir<\/strong> \u064a\u0645\u062b\u0644 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 - \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0630\u064a \u0633\u064a\u062d\u0645\u0644\u0647 \u0627\u0644\u0642\u0627\u0637\u0639 \u0625\u0644\u0649 \u0623\u062c\u0644 \u063a\u064a\u0631 \u0645\u0633\u0645\u0649 \u062f\u0648\u0646 \u0641\u0635\u0644. \u0647\u0630\u0627 \u0647\u0648 \u0627\u0644\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0648\u064a\u062c\u0628 \u0645\u0637\u0627\u0628\u0642\u062a\u0647 \u0628\u0639\u0646\u0627\u064a\u0629 \u0645\u0639 \u0627\u0644\u062d\u0645\u0644 \u0648\u0633\u0639\u0629 \u0627\u0644\u0645\u0648\u0635\u0644.<\/p>\n<h3>\u0643\u064a\u0641 \u064a\u0639\u0645\u0644 Ir<\/h3>\n<p>\u062a\u0633\u062a\u062e\u062f\u0645 \u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0637\u0648\u064a\u0644\u0629 \u0627\u0644\u0623\u0645\u062f \u0625\u0645\u0627 \u0634\u0631\u064a\u0637\u064b\u0627 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0645\u0639\u062f\u0646 (\u062d\u0631\u0627\u0631\u064a-\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a) \u0623\u0648 \u0627\u0633\u062a\u0634\u0639\u0627\u0631\u064b\u0627 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u064b\u0627 (\u0648\u062d\u062f\u0627\u062a \u0641\u0635\u0644 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629) \u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644. \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u062a\u064a\u0627\u0631 \u0625\u0639\u062f\u0627\u062f Ir\u060c \u062a\u0628\u062f\u0623 \u062e\u0627\u0635\u064a\u0629 \u0627\u0644\u0632\u0645\u0646 \u0627\u0644\u0639\u0643\u0633\u064a: \u0643\u0644\u0645\u0627 \u0632\u0627\u062f \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u060c \u0632\u0627\u062f\u062a \u0633\u0631\u0639\u0629 \u0627\u0644\u0641\u0635\u0644. \u064a\u062d\u0627\u0643\u064a \u0647\u0630\u0627 \u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0644\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0648\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u062a\u0635\u0644\u0629\u060c \u0645\u0645\u0627 \u064a\u0648\u0641\u0631 \u0648\u0642\u062a\u064b\u0627 \u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0627\u0644\u0645\u0624\u0642\u062a\u0629 (\u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643\u060c \u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639 \u0644\u0644\u0645\u062d\u0648\u0644) \u0645\u0639 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u0627\u0644\u062a\u064a \u0642\u062f \u062a\u062a\u0644\u0641 \u0627\u0644\u0639\u0632\u0644.<\/p>\n<h3>\u062d\u0633\u0627\u0628 Ir<\/h3>\n<p><strong>\u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/strong><\/p>\n<pre style=\"background-color: #f4f4f4; padding: 10px; border-radius: 5px;\">Ir = \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 (IL) \u00f7 \u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062d\u0645\u064a\u0644<\/pre>\n<p><strong>\u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629:<\/strong><\/p>\n<ul>\n<li>\u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629: <code>Ir = IL \u00f7 0.8<\/code> (\u062a\u062d\u0645\u064a\u0644 80\u066a \u0644\u0643\u0644 NEC\/IEC)<\/li>\n<li>\u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629: <code>Ir = IL \u00f7 0.9<\/code> (\u062a\u062d\u0645\u064a\u0644 90\u066a \u0645\u0642\u0628\u0648\u0644)<\/li>\n<\/ul>\n<p><strong>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643:<\/strong><br \/>\n\u064a\u062a\u0637\u0644\u0628 \u062d\u0645\u0644 \u0645\u0633\u062a\u0645\u0631 100 \u0623\u0645\u0628\u064a\u0631: <code>Ir = 100A \u00f7 0.8 = 125A<\/code><\/p>\n<p>\u0625\u0630\u0627 \u0643\u0627\u0646 MCCB \u0627\u0644\u062e\u0627\u0635 \u0628\u0643 \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 In = 160A\u060c \u0641\u0627\u0636\u0628\u0637 \u0642\u0631\u0635 Ir \u0639\u0644\u0649: <code>125A \u00f7 160A = 0.78<\/code> (\u062a\u0642\u0631\u064a\u0628\u064b\u0627 \u0625\u0644\u0649 \u0623\u0642\u0631\u0628 \u0625\u0639\u062f\u0627\u062f \u0645\u062a\u0627\u062d\u060c \u0639\u0627\u062f\u0629\u064b 0.8)<\/p>\n<h3>\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0625\u0639\u062f\u0627\u062f Ir<\/h3>\n<ol>\n<li><strong>\u0633\u0639\u0629 \u0627\u0644\u0645\u0648\u0635\u0644<\/strong>: \u064a\u062c\u0628 \u0623\u0644\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 Ir \u0633\u0639\u0629 \u0623\u0635\u063a\u0631 \u0645\u0648\u0635\u0644 \u0641\u064a \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/li>\n<li><strong>\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629<\/strong>: \u062a\u0639\u0648\u0636 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u062a\u0644\u0642\u0627\u0626\u064a\u064b\u0627\u061b \u0642\u062f \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 <a href=\"https:\/\/test.viox.com\/ar\/electrical-derating-temperature-altitude-grouping-factors\/\">\u062a\u062e\u0641\u064a\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641<\/a><\/li>\n<li><strong>\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u062d\u0631\u0643<\/strong>: \u0636\u0639 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0639\u0627\u0645\u0644 \u0627\u0644\u062e\u062f\u0645\u0629 \u0648\u0645\u062f\u0629 \u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621<\/li>\n<li><strong>\u0627\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a<\/strong>: \u064a\u0642\u0648\u0645 \u0628\u0639\u0636 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0628\u0636\u0628\u0637 Ir \u0623\u0639\u0644\u0649 \u0642\u0644\u064a\u0644\u0627\u064b \u0644\u0627\u0633\u062a\u064a\u0639\u0627\u0628 \u0646\u0645\u0648 \u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0644\u0643\u0646 \u064a\u062c\u0628 \u0623\u0644\u0627 \u064a\u0624\u062f\u064a \u0630\u0644\u0643 \u0625\u0644\u0649 \u0627\u0644\u0645\u0633\u0627\u0633 \u0628\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0648\u0635\u0644<\/li>\n<\/ol>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Time-current-curve-diagram.webp\" alt=\"Time-current curve diagram showing Ir, Im, Isd, and Ii protection zones for VIOX MCCB electronic trip unit\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u0627\u0644\u0634\u0643\u0644 3: \u0645\u0646\u062d\u0646\u0649 \u0632\u0645\u0646\u064a \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0642\u0646\u064a \u064a\u0648\u0636\u062d \u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0644\u0625\u0639\u062f\u0627\u062f\u0627\u062a Ir \u0648 Isd \u0648 Ii.<\/figcaption><\/figure>\n<h2>Isd (\u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f): \u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0645\u0646\u0633\u0642\u0629<\/h2>\n<p><strong>Isd<\/strong> \u064a\u062d\u062f\u062f \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0630\u064a \u064a\u062a\u0645 \u0639\u0646\u062f\u0647 \u062a\u0646\u0634\u064a\u0637 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0642\u0635\u064a\u0631\u0629 \u0627\u0644\u0623\u0645\u062f. \u0639\u0644\u0649 \u0639\u0643\u0633 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0644\u062d\u0638\u064a\u0629\u060c \u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0642\u0635\u064a\u0631\u0629 \u0627\u0644\u0623\u0645\u062f \u062a\u0623\u062e\u064a\u0631\u064b\u0627 \u0645\u0642\u0635\u0648\u062f\u064b\u0627 (tsd) \u0644\u0644\u0633\u0645\u0627\u062d \u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0623\u0648\u0644\u0627\u064b - \u062c\u0648\u0647\u0631 <a href=\"https:\/\/test.viox.com\/ar\/what-is-breaker-selectivity-coordination-guide\/\">\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629<\/a>.<\/p>\n<h3>\u0643\u064a\u0641 \u064a\u0639\u0645\u0644 Isd<\/h3>\n<p>\u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0639\u062a\u0628\u0629 Isd\u060c \u062a\u0628\u062f\u0623 \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0645\u0624\u0642\u062a\u064b\u0627 (tsd). \u0625\u0630\u0627 \u0627\u0633\u062a\u0645\u0631 \u0627\u0644\u0639\u0637\u0644 \u0628\u0639\u062f \u062a\u0623\u062e\u064a\u0631 tsd\u060c \u064a\u062a\u0645 \u0641\u0635\u0644 \u0627\u0644\u0642\u0627\u0637\u0639. \u0625\u0630\u0627 \u0642\u0627\u0645 \u0642\u0627\u0637\u0639 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0639\u0637\u0644 \u0642\u0628\u0644 \u0627\u0646\u062a\u0647\u0627\u0621 \u0635\u0644\u0627\u062d\u064a\u0629 tsd\u060c \u064a\u0638\u0644 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0646\u0628\u0639 \u0645\u063a\u0644\u0642\u064b\u0627\u060c \u0645\u0645\u0627 \u064a\u062d\u062f \u0645\u0646 \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639 \u0641\u064a \u0627\u0644\u0641\u0631\u0639 \u0627\u0644\u0645\u0639\u0637\u0644.<\/p>\n<h3>\u062d\u0633\u0627\u0628 Isd<\/h3>\n<p><strong>\u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/strong><\/p>\n<pre style=\"background-color: #f4f4f4; padding: 10px; border-radius: 5px;\">Isd = (1.5 \u0625\u0644\u0649 10) \u00d7 Ir<\/pre>\n<p><strong>\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631:<\/strong><\/p>\n<ul>\n<li><strong>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0644\u0625\u0639\u062f\u0627\u062f<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u062a\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0627\u0628\u0631\u0629 \u0627\u0644\u0645\u062a\u0648\u0642\u0639\u0629 (\u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643\u060c \u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639 \u0644\u0644\u0645\u062d\u0648\u0644)<\/li>\n<li><strong>\u0627\u0644\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0642\u0635\u0648\u0649<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0623\u0642\u0644 \u0645\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0645\u062a\u0627\u062d \u0641\u064a \u0645\u0648\u0642\u0639 \u0627\u0644\u0642\u0627\u0637\u0639<\/li>\n<li><strong>\u0634\u0631\u0637 \u0627\u0644\u062a\u0646\u0633\u064a\u0642<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0623\u0639\u0644\u0649 \u0645\u0646 \u0625\u0639\u062f\u0627\u062f Ii \u0644\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628<\/li>\n<\/ul>\n<p><strong>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643:<\/strong><br \/>\n\u0644\u0640 Ir = 400A:<\/p>\n<ul>\n<li>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0640 Isd: <code>1.5 \u00d7 400A = 600A<\/code> (\u064a\u062a\u062c\u0646\u0628 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0645\u0632\u0639\u062c \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639)<\/li>\n<li>Isd \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a: <code>6 \u00d7 400A = 2,400A<\/code> (\u0634\u0627\u0626\u0639 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u063a\u0630\u064a)<\/li>\n<li>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0640 Isd: \u0645\u0642\u064a\u062f \u0628\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0642\u0627\u0637\u0639 \u0644\u0640 <a href=\"https:\/\/test.viox.com\/ar\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\u0642\u062f\u0631\u0629 \u062a\u062d\u0645\u0644 \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u0631 (Icu\/Ics)<\/a><\/li>\n<\/ul>\n<h3>Isd \u0645\u0642\u0627\u0628\u0644 Ii: \u0645\u062a\u0649 \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u0644 \u0645\u0646\u0647\u0645\u0627<\/h3>\n<ul>\n<li><strong>\u0627\u0633\u062a\u062e\u062f\u0645 Isd (\u0645\u0639 \u062a\u0623\u062e\u064a\u0631 tsd)<\/strong>: \u0639\u0644\u0649 \u0627\u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0648\u0627\u0644\u0645\u063a\u0630\u064a\u0629 \u062d\u064a\u062b \u062a\u0643\u0648\u0646 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629 \u0645\u0639 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628 \u0645\u0637\u0644\u0648\u0628\u0629<\/li>\n<li><strong>\u0627\u0633\u062a\u062e\u062f\u0645 Ii (\u0628\u062f\u0648\u0646 \u062a\u0623\u062e\u064a\u0631)<\/strong>: \u0639\u0644\u0649 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0641\u0631\u0639\u064a\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0627\u0644\u062a\u0639\u062b\u0631 \u0627\u0644\u0641\u0648\u0631\u064a \u0645\u0642\u0628\u0648\u0644\u0627\u064b \u0648\u0644\u0627 \u062a\u0648\u062c\u062f \u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u062a\u0646\u0633\u064a\u0642 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628<\/li>\n<li><strong>\u062a\u0639\u0637\u064a\u0644 Isd<\/strong>: \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a\u060c \u064a\u062a\u0645 \u0636\u0628\u0637 Isd \u0639\u0644\u0649 \u201c\u0625\u064a\u0642\u0627\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u201d \u0648\u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 Ii \u0641\u0642\u0637 \u0644\u0644\u062a\u0628\u0633\u064a\u0637<\/li>\n<\/ul>\n<h2>Ii (\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0641\u0648\u0631\u064a\u0629): \u062d\u0645\u0627\u064a\u0629 \u0641\u0648\u0631\u064a\u0629 \u0645\u0646 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/h2>\n<p><strong>Ii<\/strong> \u064a\u0648\u0641\u0631 \u062a\u0639\u062b\u0631\u064b\u0627 \u0641\u0648\u0631\u064a\u064b\u0627 (\u0639\u0627\u062f\u0629\u064b &lt;50 \u0645\u0644\u0644\u064a \u062b\u0627\u0646\u064a\u0629\u060c \u063a\u0627\u0644\u0628\u064b\u0627 &lt;20 \u0645\u0644\u0644\u064a \u062b\u0627\u0646\u064a\u0629) \u0639\u0646\u062f\u0645\u0627 \u064a\u0635\u0644 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0625\u0644\u0649 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u063a\u0627\u064a\u0629. \u0647\u0630\u0627 \u0647\u0648 \u062e\u0637 \u0627\u0644\u062f\u0641\u0627\u0639 \u0627\u0644\u0623\u062e\u064a\u0631 \u0636\u062f \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0643\u0627\u0631\u062b\u064a\u0629 \u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0633\u0628\u0628 \u062a\u0642\u0648\u0633\u064b\u0627 \u0623\u0648 \u062d\u0631\u064a\u0642\u064b\u0627 \u0623\u0648 \u062a\u062f\u0645\u064a\u0631 \u0627\u0644\u0645\u0639\u062f\u0627\u062a.<\/p>\n<h3>\u0643\u064a\u0641 \u064a\u0639\u0645\u0644 Ii<\/h3>\n<p>\u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u062a\u064a\u0627\u0631 \u062d\u062f Ii\u060c \u062a\u0631\u0633\u0644 \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0639\u0644\u0649 \u0627\u0644\u0641\u0648\u0631 \u0625\u0634\u0627\u0631\u0629 \u0641\u0635\u0644 \u0625\u0644\u0649 \u0622\u0644\u064a\u0629 \u0627\u0644\u0642\u0627\u0637\u0639 \u062f\u0648\u0646 \u0623\u064a \u062a\u0623\u062e\u064a\u0631 \u0645\u062a\u0639\u0645\u062f. \u062a\u0642\u0644\u0644 \u0647\u0630\u0647 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0645\u0646 \u0637\u0627\u0642\u0629 \u0627\u0644\u0642\u0648\u0633 \u0648\u062a\u062d\u062f \u0645\u0646 \u0627\u0644\u0623\u0636\u0631\u0627\u0631 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0634\u062f\u064a\u062f\u0629 \u0645\u062b\u0644 \u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u0631 \u0627\u0644\u0645\u062b\u0628\u062a\u0629 \u0628\u0645\u0633\u0627\u0645\u064a\u0631.<\/p>\n<h3>\u062d\u0633\u0627\u0628 Ii<\/h3>\n<p><strong>\u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/strong><\/p>\n<pre style=\"background-color: #f4f4f4; padding: 10px; border-radius: 5px;\">Ii \u2265 1.5 \u00d7 Isd<\/pre>\n<p><strong>\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631:<\/strong><\/p>\n<ul>\n<li><strong>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0644\u0625\u0639\u062f\u0627\u062f<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0623\u0639\u0644\u0649 \u0628\u0640 1.5 \u0645\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 \u0645\u0646 Isd \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u062f\u0627\u062e\u0644<\/li>\n<li><strong>\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 \u062a\u064a\u0627\u0631 \u0627\u0644\u062f\u0648\u0627\u0631 \u0627\u0644\u0645\u0642\u0641\u0644 (\u0639\u0627\u062f\u0629\u064b 8-12 \u00d7 FLA)<\/li>\n<li><strong>\u0627\u0644\u062a\u0646\u0633\u064a\u0642<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0623\u0642\u0644 \u0645\u0646 Isd \u0644\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0646\u0628\u0639 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629<\/li>\n<li><strong>\u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0637\u0623 \u0627\u0644\u0645\u062a\u0627\u062d<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0623\u0642\u0644 \u0645\u0646 \u062a\u064a\u0627\u0631 \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u0631 \u0627\u0644\u0645\u062d\u062a\u0645\u0644 \u0641\u064a \u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/li>\n<\/ul>\n<p><strong>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643:<\/strong><br \/>\n\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0625\u0644\u0649 Isd = 2,400A:<\/p>\n<ul>\n<li>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0640 Ii: <code>1.  5 \u00d7 2,400A = 3,600A<\/code><\/li>\n<li>Ii \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a: <code>12 \u00d7 Ir = 12 \u00d7 400A = 4,800A<\/code> (\u0625\u0639\u062f\u0627\u062f \u0634\u0627\u0626\u0639)<\/li>\n<\/ul>\n<h3>\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u062e\u0627\u0635\u0629 \u0644\u0640 Ii<\/h3>\n<ol>\n<li><strong>\u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 Ii \u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u0645\u063a\u0646\u0637\u0629 (\u0639\u0627\u062f\u0629\u064b 8-12 \u00d7 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0646\u0646 \u0644\u0645\u062f\u0629 0.1 \u062b\u0627\u0646\u064a\u0629)<\/li>\n<li><strong>\u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643<\/strong>: \u0644\u0640 <a href=\"https:\/\/test.viox.com\/ar\/contactor-vs-motor-starter\/\">\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643<\/a>, \u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 Ii \u062a\u064a\u0627\u0631 \u0627\u0644\u062f\u0648\u0627\u0631 \u0627\u0644\u0645\u0642\u0641\u0644<\/li>\n<li><strong>\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0648\u0645\u064a\u0636 \u0627\u0644\u0642\u0648\u0633\u064a<\/strong>: \u062a\u0642\u0644\u0644 \u0625\u0639\u062f\u0627\u062f\u0627\u062a Ii \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 (\u062d\u064a\u062b\u0645\u0627 \u064a\u0633\u0645\u062d \u0628\u0630\u0644\u0643) \u0645\u0646 \u0637\u0627\u0642\u0629 \u0627\u0644\u062d\u0648\u0627\u062f\u062b \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u0627\u0644\u0648\u0645\u064a\u0636 \u0627\u0644\u0642\u0648\u0633\u064a<\/li>\n<li><strong>\u0627\u0644\u062a\u0639\u062b\u0631 \u0627\u0644\u0645\u0632\u0639\u062c<\/strong>: \u064a\u0624\u062f\u064a \u0636\u0628\u0637 Ii \u0645\u0646\u062e\u0641\u0636\u064b\u0627 \u062c\u062f\u064b\u0627 \u0625\u0644\u0649 \u062d\u062f\u0648\u062b \u062a\u0639\u062b\u0631\u0627\u062a \u062e\u0627\u0637\u0626\u0629 \u0623\u062b\u0646\u0627\u0621 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u0639\u0627\u062f\u064a\u0629<\/li>\n<\/ol>\n<h2>\u0627\u0644\u062a\u0623\u062e\u064a\u0631\u0627\u062a \u0627\u0644\u0632\u0645\u0646\u064a\u0629: \u0634\u0631\u062d tr \u0648 tsd<\/h2>\n<h3>tr (\u062a\u0623\u062e\u064a\u0631 \u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u0645\u062f)<\/h3>\n<p>\u0625\u0646 <strong>tr<\/strong> \u062a\u062d\u062f\u062f \u0627\u0644\u0645\u0639\u0644\u0645\u0629 \u062e\u0627\u0635\u064a\u0629 \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0639\u0643\u0633\u064a \u0644\u0644\u062d\u0645\u0627\u064a\u0629 \u0637\u0648\u064a\u0644\u0629 \u0627\u0644\u0623\u0645\u062f. \u0641\u064a \u0645\u0639\u0638\u0645 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629\u060c \u0644\u0627 \u064a\u0645\u0643\u0646 \u062a\u0639\u062f\u064a\u0644 tr \u0645\u0628\u0627\u0634\u0631\u0629\u064b \u0648\u0644\u0643\u0646\u0647 \u064a\u062a\u0628\u0639 \u0645\u0646\u062d\u0646\u0649 I\u00b2t \u0642\u064a\u0627\u0633\u064a\u064b\u0627. \u064a\u0636\u0645\u0646 \u0627\u0644\u0645\u0646\u062d\u0646\u0649 \u0623\u0646 \u0648\u0642\u062a \u0627\u0644\u0641\u0635\u0644 \u064a\u062a\u0646\u0627\u0642\u0635 \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u062d\u062c\u0645 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f:<\/p>\n<ul>\n<li>\u0639\u0646\u062f 1.05 \u00d7 Ir: \u0644\u0627 \u064a\u0648\u062c\u062f \u062a\u0639\u062b\u0631 (\u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0633\u0627\u0645\u062d)<\/li>\n<li>\u0639\u0646\u062f 1.2 \u00d7 Ir: \u062a\u0639\u062b\u0631 \u0641\u064a &lt;\u0633\u0627\u0639\u062a\u064a\u0646 (\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a) \u0623\u0648 &lt;\u0633\u0627\u0639\u0629 \u0648\u0627\u062d\u062f\u0629 (\u062d\u0631\u0627\u0631\u064a \u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a)<\/li>\n<li>\u0639\u0646\u062f 6 \u00d7 Ir: \u062a\u0639\u062b\u0631 \u0641\u064a \u062b\u0648\u0627\u0646\u064d (\u0627\u0646\u062a\u0642\u0627\u0644 \u0625\u0644\u0649 \u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0642\u0635\u064a\u0631)<\/li>\n<\/ul>\n<p><strong>\u0646\u0642\u0637\u0629 \u0631\u0626\u064a\u0633\u064a\u0629<\/strong>: \u064a\u062a\u0645 \u0645\u0639\u0627\u064a\u0631\u0629 \u0645\u0646\u062d\u0646\u0649 tr \u0641\u064a \u0627\u0644\u0645\u0635\u0646\u0639 \u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0644\u0645\u0648\u0635\u0644 \u0648\u0641\u0642\u064b\u0627 \u0644\u0644\u0645\u0639\u064a\u0627\u0631\u064a\u0646 IEC 60947-2 \u0648 UL 489. \u0644\u0627 \u064a\u0642\u0648\u0645 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0639\u0627\u062f\u0629\u064b \u0628\u0636\u0628\u0637 tr \u0645\u0628\u0627\u0634\u0631\u0629\u064b \u0648\u0644\u0643\u0646\u0647\u0645 \u064a\u062e\u062a\u0627\u0631\u0648\u0646\u0647 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0627\u062e\u062a\u064a\u0627\u0631 \u0646\u0645\u0648\u0630\u062c \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628.<\/p>\n<h3>tsd (\u062a\u0623\u062e\u064a\u0631 \u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f)<\/h3>\n<p>\u0625\u0646 <strong>tsd<\/strong> \u0627\u0644\u0645\u0639\u0644\u0645\u0629 \u0647\u064a \u0627\u0644\u062a\u0623\u062e\u064a\u0631 \u0627\u0644\u0632\u0645\u0646\u064a \u0627\u0644\u0645\u062d\u062f\u062f \u0644\u0644\u062d\u0645\u0627\u064a\u0629 \u0642\u0635\u064a\u0631\u0629 \u0627\u0644\u0623\u0645\u062f. \u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n<ul>\n<li><strong>0.05 \u062b\u0627\u0646\u064a\u0629<\/strong>: \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u062a\u0623\u062e\u064a\u0631 \u0644\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0623\u0633\u0627\u0633\u064a<\/li>\n<li><strong>0.1s<\/strong>: \u0627\u0644\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0644\u0645\u0639\u0638\u0645 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/li>\n<li><strong>0.2 \u062b\u0627\u0646\u064a\u0629<\/strong>: \u062a\u0646\u0633\u064a\u0642 \u0645\u062d\u0633\u0646 \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0639\u0642\u062f\u0629<\/li>\n<li><strong>0.4 \u062b\u0627\u0646\u064a\u0629<\/strong>: \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0645\u0646 \u0627\u0644\u062a\u0623\u062e\u064a\u0631 \u0644\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0639\u0645\u064a\u0642 (\u064a\u062a\u0637\u0644\u0628 \u062a\u0635\u0646\u064a\u0641 Icw \u0639\u0627\u0644\u064a\u064b\u0627)<\/li>\n<\/ul>\n<p><strong>\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u062a\u0646\u0633\u064a\u0642<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 tsd \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0646\u0628\u0639 \u0623\u0637\u0648\u0644 \u0628\u0640 0.1-0.2 \u062b\u0627\u0646\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 \u0645\u0646 \u0625\u062c\u0645\u0627\u0644\u064a \u0648\u0642\u062a \u0627\u0644\u062a\u0635\u0641\u064a\u0629 \u0644\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628 \u0644\u0636\u0645\u0627\u0646 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629.<\/p>\n<h2>\u062d\u0645\u0627\u064a\u0629 I\u00b2t: \u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0645\u062d\u0633\u0646<\/h2>\n<p>\u062a\u062a\u0636\u0645\u0646 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629 <strong>\u062d\u0645\u0627\u064a\u0629 I\u00b2t<\/strong>, \u060c \u0648\u0627\u0644\u062a\u064a \u062a\u0623\u062e\u0630 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u062a\u0631\u0627\u0643\u0645\u064a \u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0623\u0648 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629. \u062a\u0645\u0646\u0639 \u0647\u0630\u0647 \u201c\u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\u201d \u0627\u0644\u062a\u0639\u062b\u0631 \u0627\u0644\u0645\u0632\u0639\u062c \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646 \u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0648\u063a\u064a\u0631 \u0627\u0644\u0636\u0627\u0631\u0629 \u0645\u0639 \u0627\u0644\u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u0641\u064a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0645\u0633\u062a\u0645\u0631.<\/p>\n<p><strong>\u0645\u062a\u0649 \u064a\u062a\u0645 \u062a\u0645\u0643\u064a\u0646 I\u00b2t:<\/strong><\/p>\n<ul>\n<li>\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0628\u062f\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629<\/li>\n<li>\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639 \u0627\u0644\u0645\u062a\u0643\u0631\u0631<\/li>\n<li>\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0630\u0627\u062a \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0639\u0627\u0628\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/li>\n<li>\u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0645\u0639 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0646\u0628\u0639<\/li>\n<\/ul>\n<p><strong>\u0645\u062a\u0649 \u064a\u062a\u0645 \u062a\u0639\u0637\u064a\u0644 I\u00b2t:<\/strong><\/p>\n<ul>\n<li>\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0648\u0644\u062f (\u0645\u0637\u0644\u0648\u0628 \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0641\u0648\u0631\u064a\u0629)<\/li>\n<li>\u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062d\u0631\u062c\u0629 \u062d\u064a\u062b \u0623\u064a \u062a\u0623\u062e\u064a\u0631 \u063a\u064a\u0631 \u0645\u0642\u0628\u0648\u0644<\/li>\n<li>\u0623\u0646\u0638\u0645\u0629 \u0634\u0639\u0627\u0639\u064a\u0629 \u0628\u0633\u064a\u0637\u0629 \u0628\u062f\u0648\u0646 \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u062a\u0646\u0633\u064a\u0642 \u0645\u0639\u0642\u062f\u0629<\/li>\n<\/ul>\n<h2>\u0623\u0645\u062b\u0644\u0629 \u0639\u0645\u0644\u064a\u0629 \u0644\u0644\u0625\u0639\u062f\u0627\u062f \u062d\u0633\u0628 \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/h2>\n<h3>\u0627\u0644\u062c\u062f\u0648\u0644 3: \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u062d\u0633\u0628 \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/th>\n<th>\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 (IL)<\/th>\n<th>\u0625\u0639\u062f\u0627\u062f Ir<\/th>\n<th>\u0625\u0639\u062f\u0627\u062f Isd<\/th>\n<th>\u0625\u0639\u062f\u0627\u062f Ii<\/th>\n<th>\u0625\u0639\u062f\u0627\u062f tsd<\/th>\n<th>\u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0631\u0626\u064a\u0633\u064a (1600A)<\/strong><\/td>\n<td>1280A<\/td>\n<td>1.0 \u00d7 In = 1600A<\/td>\n<td>10 \u00d7 Ir = 16,000A<\/td>\n<td>15 \u00d7 Ir = 24,000A<\/td>\n<td>0.4 \u062b\u0627\u0646\u064a\u0629<\/td>\n<td>\u0623\u0642\u0635\u0649 \u0642\u062f\u0631 \u0645\u0646 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629 \u0645\u0639 \u0627\u0644\u0645\u063a\u0630\u064a\u0627\u062a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u0645\u063a\u0630\u064a (400A)<\/strong><\/td>\n<td>320 \u0623\u0645\u0628\u064a\u0631<\/td>\n<td>0.8 \u00d7 In = 320A<\/td>\n<td>6 \u00d7 Ir = 1,920A<\/td>\n<td>12 \u00d7 Ir = 3,840A<\/td>\n<td>0.2 \u062b\u0627\u0646\u064a\u0629<\/td>\n<td>\u064a\u0646\u0633\u0642 \u0645\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0648\u0627\u0644\u0641\u0631\u0648\u0639<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0641\u0631\u0639 \u0627\u0644\u0645\u062d\u0631\u0643 (100A)<\/strong><\/td>\n<td>75A FLA<\/td>\n<td>0.9 \u00d7 In = 90A<\/td>\n<td>8 \u00d7 Ir = 720A<\/td>\n<td>12 \u00d7 Ir = 1,080A<\/td>\n<td>\u0625\u064a\u0642\u0627\u0641 (Ii \u0641\u0642\u0637)<\/td>\n<td>\u064a\u0633\u062a\u0648\u0639\u0628 6 \u00d7 LRA<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u0625\u0636\u0627\u0621\u0629 \/ \u0627\u0644\u0645\u0642\u0628\u0633 (63A)<\/strong><\/td>\n<td>50A<\/td>\n<td>0.8 \u00d7 In = 50A<\/td>\n<td>\u0625\u064a\u0642\u0627\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n<td>10 \u00d7 Ir = 500A<\/td>\n<td>\u063a\u064a\u0631 \u0645\u062a\u0627\u062d<\/td>\n<td>\u062d\u0645\u0627\u064a\u0629 \u0628\u0633\u064a\u0637\u0629\u060c \u0644\u0627 \u062d\u0627\u062c\u0629 \u0644\u0644\u062a\u0646\u0633\u064a\u0642<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u062c\u0627\u0646\u0628 \u0627\u0644\u0623\u0648\u0644\u064a \u0644\u0644\u0645\u062d\u0648\u0644 (250A)<\/strong><\/td>\n<td>200 \u0623\u0645\u0628\u064a\u0631<\/td>\n<td>0.8 \u00d7 In = 200A<\/td>\n<td>10 \u00d7 Ir = 2,000A<\/td>\n<td>12 \u00d7 Ir = 2,400A<\/td>\n<td>0.1s<\/td>\n<td>\u064a\u062a\u062d\u0645\u0644 \u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0646\u062f\u0641\u0627\u0639 10 \u0645\u0631\u0627\u062a \u0644\u0645\u062f\u0629 0.1 \u062b\u0627\u0646\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u0645\u0648\u0644\u062f (800A)<\/strong><\/td>\n<td>640A<\/td>\n<td>0.8 \u00d7 In = 640A<\/td>\n<td>3 \u00d7 Ir = 1,920A<\/td>\n<td>6 \u00d7 Ir = 3,840A<\/td>\n<td>0.05 \u062b\u0627\u0646\u064a\u0629<\/td>\n<td>\u0625\u0632\u0627\u0644\u0629 \u0633\u0631\u064a\u0639\u0629 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0648\u0644\u062f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062e\u0631\u062c UPS (160A)<\/strong><\/td>\n<td>128A<\/td>\n<td>0.8 \u00d7 In = 128A<\/td>\n<td>\u0625\u064a\u0642\u0627\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n<td>8 \u00d7 Ir = 1,024A<\/td>\n<td>\u063a\u064a\u0631 \u0645\u062a\u0627\u062d<\/td>\n<td>\u0641\u0648\u0631\u064a \u0641\u0642\u0637\u060c \u0644\u0627 \u0636\u0631\u0631 \u0639\u0644\u0649 \u0627\u0644\u0628\u0637\u0627\u0631\u064a\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Selectivity-coordination-schematic.webp\" alt=\"Selectivity coordination diagram showing proper VIOX MCCB trip unit settings for three-level distribution system\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u0627\u0644\u0634\u0643\u0644 4: \u0631\u0633\u0645 \u062a\u062e\u0637\u064a\u0637\u064a \u064a\u0648\u0636\u062d \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629 \u0648\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0639\u0628\u0631 \u0627\u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0648\u0627\u0644\u0645\u063a\u0630\u064a\u0629 \u0648\u0627\u0644\u0641\u0631\u0639\u064a\u0629.<\/figcaption><\/figure>\n<h2>\u0623\u0645\u062b\u0644\u0629 \u062d\u0633\u0627\u0628\u064a\u0629 \u0644\u0644\u0625\u0639\u062f\u0627\u062f \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/h2>\n<h3>\u0627\u0644\u062c\u062f\u0648\u0644 4: \u0623\u0645\u062b\u0644\u0629 \u062d\u0633\u0627\u0628\u064a\u0629 \u0644\u0644\u0625\u0639\u062f\u0627\u062f<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u0627\u0644\u062e\u0637\u0648\u0629<\/th>\n<th>\u0645\u062b\u0627\u0644 1: \u0645\u063a\u0630\u064a 400A<\/th>\n<th>\u0645\u062b\u0627\u0644 2: \u0641\u0631\u0639 \u0645\u062d\u0631\u0643 100A<\/th>\n<th>\u0645\u062b\u0627\u0644 3: \u0631\u0626\u064a\u0633\u064a 1600A<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>1. \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062d\u0645\u0644<\/strong><\/td>\n<td>\u062d\u0645\u0644 \u0645\u0633\u062a\u0645\u0631 320A<\/td>\n<td>\u0645\u062d\u0631\u0643 75A (FLA)\u060c 450A LRA<\/td>\n<td>\u062d\u0645\u0644 \u0643\u0644\u064a 1280A<\/td>\n<\/tr>\n<tr>\n<td><strong>2. \u062d\u0633\u0627\u0628 Ir<\/strong><\/td>\n<td>320A \u00f7 0.8 = 400A<br \/>\n\u0627\u0636\u0628\u0637 Ir = 1.0 \u00d7 400A = 400A<\/td>\n<td>75A \u00f7 0.9 = 83A<br \/>\n\u0642\u0631\u0651\u0628 \u0625\u0644\u0649 \u0625\u0637\u0627\u0631 100A<br \/>\n\u0627\u0636\u0628\u0637 Ir = 0.9 \u00d7 100A = 90A<\/td>\n<td>1280A \u00f7 0.8 = 1600A<br \/>\n\u0636\u0628\u0637 Ir = 1.0 \u00d7 1600A = 1600A<\/td>\n<\/tr>\n<tr>\n<td><strong>3. \u062d\u0633\u0627\u0628 Isd<\/strong><\/td>\n<td>\u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0645\u0639 \u0641\u0631\u0648\u0639 100A<br \/>\n\u0636\u0628\u0637 Isd = 6 \u00d7 400A = 2,400A<\/td>\n<td>\u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643: 450A LRA<br \/>\n\u0636\u0628\u0637 Isd = 8 \u00d7 90A = 720A<br \/>\n(\u064a\u062a\u062c\u0627\u0648\u0632 450A LRA)<\/td>\n<td>\u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0645\u0639 \u0645\u063a\u0630\u064a\u0627\u062a 400A<br \/>\n\u0636\u0628\u0637 Isd = 10 \u00d7 1600A = 16,000A<\/td>\n<\/tr>\n<tr>\n<td><strong>4. \u062d\u0633\u0627\u0628 Ii<\/strong><\/td>\n<td>\u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 Isd \u0628\u0645\u0642\u062f\u0627\u0631 1.5\u00d7<br \/>\n\u0636\u0628\u0637 Ii = 12 \u00d7 400A = 4,800A<br \/>\n(2\u00d7 Isd\u060c \u0647\u0627\u0645\u0634 \u062c\u064a\u062f)<\/td>\n<td>\u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 LRA<br \/>\n\u0636\u0628\u0637 Ii = 12 \u00d7 90A = 1,080A<br \/>\n(2.4\u00d7 LRA\u060c \u0643\u0627\u0641\u064d)<\/td>\n<td>\u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062c\u0627\u0648\u0632 Ii \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u063a\u0630\u064a<br \/>\n\u0636\u0628\u0637 Ii = 15 \u00d7 1600A = 24,000A<br \/>\n(5\u00d7 Ii \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u063a\u0630\u064a)<\/td>\n<\/tr>\n<tr>\n<td><strong>5. \u0636\u0628\u0637 \u0627\u0644\u062a\u0623\u062e\u064a\u0631\u0627\u062a \u0627\u0644\u0632\u0645\u0646\u064a\u0629<\/strong><\/td>\n<td>tsd = 0.2 \u062b\u0627\u0646\u064a\u0629<br \/>\n(\u064a\u0633\u0645\u062d \u0644\u0641\u0631\u0648\u0639 100A \u0628\u0640 0.1 \u062b\u0627\u0646\u064a\u0629 \u0644\u0644\u062a\u0635\u0641\u064a\u0629)<\/td>\n<td>tsd = \u0625\u064a\u0642\u0627\u0641<br \/>\n(\u0627\u0633\u062a\u062e\u062f\u0645 Ii \u0641\u0642\u0637 \u0644\u0644\u062a\u0628\u0633\u064a\u0637)<\/td>\n<td>tsd = 0.4 \u062b\u0627\u0646\u064a\u0629<br \/>\n(\u0623\u0642\u0635\u0649 \u0642\u062f\u0631 \u0645\u0646 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629)<\/td>\n<\/tr>\n<tr>\n<td><strong>6. \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0646\u0633\u064a\u0642<\/strong><\/td>\n<td>\u2713 Isd (2,400A) &gt; Ii \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0641\u0631\u0639 (1,080A)<br \/>\n\u2713 tsd (0.2 \u062b\u0627\u0646\u064a\u0629) &gt; \u0648\u0642\u062a \u062a\u0635\u0641\u064a\u0629 \u0627\u0644\u0641\u0631\u0639<\/td>\n<td>\u2713 Ii (1,080A) &lt; Isd \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u063a\u0630\u064a (2,400A)<br \/>\n\u2713 \u0644\u0627 \u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0645\u0646\u0628\u0639<\/td>\n<td>\u2713 Isd (16,000A) &gt; Ii \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u063a\u0630\u064a (4,800A)<br \/>\n\u2713 tsd (0.4 \u062b\u0627\u0646\u064a\u0629) &gt; tsd \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u063a\u0630\u064a + 0.2 \u062b\u0627\u0646\u064a\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Setting-flowchart---Decision-tree-for-configuring-trip-unit-parameters-with-calculation-boxes-and-consideration-factors.webp\" alt=\"Step-by-step flowchart for configuring VIOX MCCB trip unit settings (Ir, Isd, Ii) based on load requirements\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u0627\u0644\u0634\u0643\u0644 5: \u0645\u062e\u0637\u0637 \u0627\u0646\u0633\u064a\u0627\u0628\u064a \u0644\u0634\u062c\u0631\u0629 \u0627\u0644\u0642\u0631\u0627\u0631 \u064a\u0648\u062c\u0647 \u062a\u0643\u0648\u064a\u0646 \u0645\u0639\u0644\u0645\u0627\u062a \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644.<\/figcaption><\/figure>\n<h2>\u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u062a\u0646\u0633\u064a\u0642: \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062d\u0627\u0633\u0645\u0629<\/h2>\n<p>\u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0633\u0644\u064a\u0645 \u0628\u064a\u0646 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u0648\u0627\u0644\u0645\u0635\u0628 \u0623\u0645\u0631 \u0636\u0631\u0648\u0631\u064a \u0644\u062a\u0642\u0644\u064a\u0644 \u0646\u0637\u0627\u0642 \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0623\u0639\u0637\u0627\u0644. \u0627\u0644\u0647\u062f\u0641: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0641\u0635\u0644 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0623\u0642\u0631\u0628 \u0625\u0644\u0649 \u0627\u0644\u0639\u0637\u0644 \u0641\u0642\u0637\u060c \u0645\u0639 \u062a\u0631\u0643 \u0628\u0642\u064a\u0629 \u0627\u0644\u0646\u0638\u0627\u0645 \u0645\u0632\u0648\u062f\u064b\u0627 \u0628\u0627\u0644\u0637\u0627\u0642\u0629.<\/p>\n<h3>\u0627\u0644\u062c\u062f\u0648\u0644 5: \u0642\u0648\u0627\u0639\u062f \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u0634\u0631\u0637 \u0627\u0644\u062a\u0646\u0633\u064a\u0642<\/th>\n<th>\u0627\u0644\u0642\u0627\u0639\u062f\u0629<\/th>\n<th>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0630\u0644\u0643<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Ir \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u0645\u0642\u0627\u0628\u0644 Ir \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/strong><\/td>\n<td>Ir \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u2265 2\u00d7 Ir \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/td>\n<td>\u0631\u0626\u064a\u0633\u064a 1600A\u060c \u0645\u063a\u0630\u064a 400A (\u0646\u0633\u0628\u0629 4\u00d7)<\/td>\n<\/tr>\n<tr>\n<td><strong>Isd \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u0645\u0642\u0627\u0628\u0644 Ii \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/strong><\/td>\n<td>Isd \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 &gt; Ii \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/td>\n<td>Isd \u0627\u0644\u0631\u0626\u064a\u0633\u064a 16,000A &gt; Ii \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u063a\u0630\u064a 4,800A<\/td>\n<\/tr>\n<tr>\n<td><strong>tsd \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u0645\u0642\u0627\u0628\u0644 \u0648\u0642\u062a \u0627\u0644\u062a\u0635\u0641\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/strong><\/td>\n<td>tsd \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u2265 \u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u062a\u0635\u0641\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0635\u0628 + 0.1-0.2 \u062b\u0627\u0646\u064a\u0629<\/td>\n<td>tsd \u0627\u0644\u0631\u0626\u064a\u0633\u064a 0.4 \u062b\u0627\u0646\u064a\u0629 &gt; \u0627\u0644\u0645\u063a\u0630\u064a (0.2 \u062b\u0627\u0646\u064a\u0629 + 0.1 \u062b\u0627\u0646\u064a\u0629 \u062a\u0635\u0641\u064a\u0629)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ii \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u0645\u0642\u0627\u0628\u0644 Ii \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/strong><\/td>\n<td>Ii \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u2265 2\u00d7 Ii \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/td>\n<td>Ii \u0627\u0644\u0631\u0626\u064a\u0633\u064a 24,000A &gt; Ii \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u063a\u0630\u064a 4,800A (\u0646\u0633\u0628\u0629 5\u00d7)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0646\u0633\u064a\u0642 I\u00b2t<\/strong><\/td>\n<td>I\u00b2t \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 &gt; I\u00b2t \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/td>\n<td>I\u00b2t \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0642\u064a\u062f \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c I\u00b2t \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u063a\u0630\u064a \u0642\u064a\u062f \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0623\u0648 \u0627\u0644\u0625\u064a\u0642\u0627\u0641<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u0645\u0628\u062f\u0623 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0631\u0626\u064a\u0633\u064a<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0644\u0643\u0644 \u062c\u0647\u0627\u0632 \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u0642\u0627\u0637 \u0623\u0639\u0644\u0649 \u0648\u062a\u0623\u062e\u064a\u0631\u0627\u062a \u0632\u0645\u0646\u064a\u0629 \u0623\u0637\u0648\u0644 \u0645\u0646 \u0627\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u0644\u0645\u0635\u0628 \u0627\u0644\u0630\u064a \u064a\u062d\u0645\u064a\u0647. \u0647\u0630\u0627 \u064a\u062e\u0644\u0642 \u201c\u062a\u0633\u0644\u0633\u0644\u064b\u0627\u201d \u0645\u0646 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u062d\u064a\u062b \u064a\u0641\u0635\u0644 \u0623\u0635\u063a\u0631 \u0642\u0627\u0637\u0639 \u0623\u0648\u0644\u0627\u064b\u060c \u062b\u0645 \u0627\u0644\u0623\u0643\u0628\u0631 \u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0648\u0647\u0643\u0630\u0627.<\/p>\n<p><strong>\u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0645\u062a\u0642\u062f\u0645<\/strong>: \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0639\u0642\u062f\u0629\u060c \u0627\u0633\u062a\u062e\u062f\u0645 \u0628\u0631\u0646\u0627\u0645\u062c \u062a\u062d\u0644\u064a\u0644 \u0645\u0646\u062d\u0646\u0649 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0645\u0646\u064a (\u064a\u0642\u062f\u0645 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0623\u062f\u0648\u0627\u062a \u0645\u062c\u0627\u0646\u064a\u0629) \u0644\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0639\u0628\u0631 \u062c\u0645\u064a\u0639 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0633\u0627\u0639\u062f \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0641\u0646\u064a \u0644\u0640 VIOX \u0641\u064a <a href=\"https:\/\/test.viox.com\/ar\/circuit-protection-selection-framework-a-5-step-guide-for-panel-builders-iec-60947\/\">\u0627\u062e\u062a\u064a\u0627\u0631 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/a> \u0648\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062a\u0646\u0633\u064a\u0642.<\/p>\n<h2>\u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0648\u0627\u0644\u062d\u0644\u0648\u0644<\/h2>\n<h3>\u0627\u0644\u062c\u062f\u0648\u0644 6: \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0648\u0627\u0644\u062d\u0644\u0648\u0644<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u062e\u0637\u0623<\/th>\n<th>\u0627\u0644\u0639\u0648\u0627\u0642\u0628<\/th>\n<th>\u0627\u0644\u0646\u0647\u062c \u0627\u0644\u0635\u062d\u064a\u062d<\/th>\n<th>\u0648\u0642\u0627\u064a\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Ir \u0645\u0636\u0628\u0648\u0637\u0629 \u0639\u0644\u0649 \u0642\u064a\u0645\u0629 \u0639\u0627\u0644\u064a\u0629 \u062c\u062f\u064b\u0627<\/strong><\/td>\n<td>\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u0635\u0644\u060c \u062a\u0644\u0641 \u0627\u0644\u0639\u0632\u0644<\/td>\n<td>\u062d\u0633\u0627\u0628 Ir \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0633\u0639\u0629 \u0627\u0644\u0645\u0648\u0635\u0644\u060c \u0648\u0644\u064a\u0633 \u062d\u062c\u0645 \u0625\u0637\u0627\u0631 \u0627\u0644\u0642\u0627\u0637\u0639<\/td>\n<td>\u062a\u062d\u0642\u0642 \u062f\u0627\u0626\u0645\u064b\u0627 \u0645\u0646 \u0623\u0646 Ir \u2264 \u0633\u0639\u0629 \u0627\u0644\u0645\u0648\u0635\u0644<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0636\u0628\u0637 Ir \u0645\u0646\u062e\u0641\u0636\u064b\u0627 \u062c\u062f\u064b\u0627<\/strong><\/td>\n<td>\u0627\u0644\u062a\u0639\u062b\u0631 \u0627\u0644\u0645\u0632\u0639\u062c \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0639\u0627\u062f\u064a<\/td>\n<td>\u0627\u062d\u062a\u0633\u0627\u0628 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 + \u0647\u0627\u0645\u0634 \u0627\u0644\u0623\u0645\u0627\u0646 (\u0642\u0627\u0639\u062f\u0629 80%)<\/td>\n<td>\u0642\u064a\u0627\u0633 \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0641\u0639\u0644\u064a \u0642\u0628\u0644 \u0627\u0644\u0636\u0628\u0637<\/td>\n<\/tr>\n<tr>\n<td><strong>Isd = Ii (\u0628\u062f\u0648\u0646 \u0641\u0635\u0644)<\/strong><\/td>\n<td>\u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629\u060c \u0643\u0644\u062a\u0627 \u0627\u0644\u0648\u0638\u064a\u0641\u062a\u064a\u0646 \u062a\u062a\u0639\u062b\u0631\u0627\u0646 \u0641\u064a \u0648\u0642\u062a \u0648\u0627\u062d\u062f<\/td>\n<td>\u0627\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 Ii \u2265 1.5 \u00d7 Isd<\/td>\n<td>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0646\u0633\u0628 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627 \u0645\u0646 \u0642\u0628\u0644 \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/td>\n<\/tr>\n<tr>\n<td><strong>tsd \u0642\u0635\u064a\u0631 \u062c\u062f\u064b\u0627<\/strong><\/td>\n<td>\u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0644\u0648\u064a \u064a\u062a\u0639\u062b\u0631 \u0642\u0628\u0644 \u0623\u0646 \u064a\u0632\u064a\u0644 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0633\u0641\u0644\u064a \u0627\u0644\u062e\u0637\u0623<\/td>\n<td>\u0625\u0636\u0627\u0641\u0629 \u0647\u0627\u0645\u0634 0.1-0.2 \u062b\u0627\u0646\u064a\u0629 \u0644\u0648\u0642\u062a \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u062e\u0637\u0623 \u0641\u064a \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0633\u0641\u0644\u064a<\/td>\n<td>\u062d\u0633\u0627\u0628 \u0625\u062c\u0645\u0627\u0644\u064a \u0648\u0642\u062a \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u062e\u0637\u0623 \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0648\u0642\u062a \u0627\u0644\u0642\u0648\u0633 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/td>\n<\/tr>\n<tr>\n<td><strong>tsd \u0637\u0648\u064a\u0644 \u062c\u062f\u064b\u0627<\/strong><\/td>\n<td>\u0645\u062f\u0629 \u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0637\u0623 \u0627\u0644\u0645\u0641\u0631\u0637\u0629\u060c \u062a\u0644\u0641 \u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/td>\n<td>\u0645\u0648\u0627\u0632\u0646\u0629 \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0645\u0639 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/td>\n<td>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0623\u0646 \u062a\u0635\u0646\u064a\u0641 Icw \u0644\u0644\u0642\u0627\u0637\u0639 \u064a\u062f\u0639\u0645 \u0645\u062f\u0629 tsd<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0636\u0628\u0637 Ii \u0623\u0642\u0644 \u0645\u0646 LRA \u0644\u0644\u0645\u062d\u0631\u0643<\/strong><\/td>\n<td>\u062a\u0639\u062b\u0631 \u0627\u0644\u0642\u0627\u0637\u0639 \u0639\u0646\u062f \u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643<\/td>\n<td>\u0636\u0628\u0637 Ii \u2265 1.2 \u00d7 \u062a\u064a\u0627\u0631 \u0627\u0644\u062f\u0648\u0627\u0631 \u0627\u0644\u0645\u0642\u0641\u0644<\/td>\n<td>\u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0628\u064a\u0627\u0646\u0627\u062a \u0644\u0648\u062d\u0629 \u0627\u0633\u0645 \u0627\u0644\u0645\u062d\u0631\u0643 \u0642\u0628\u0644 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\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u0639\u062b\u0631 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0630\u0627\u062a \u0625\u0645\u0643\u0627\u0646\u0627\u062a \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u060c \u0623\u0648 \u0625\u0631\u0634\u0627\u062f\u0643 \u062e\u0644\u0627\u0644 \u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0646\u0647\u062c\u064a\u0629.<\/p>\n<h2>\u0627\u0644\u062a\u0643\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629<\/h2>\n<p>\u062a\u0648\u0641\u0631 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u0639\u062b\u0631 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629 \u0645\u0646 VIOX \u0645\u064a\u0632\u0627\u062a \u062a\u062a\u062c\u0627\u0648\u0632 \u062d\u0645\u0627\u064a\u0629 LSI \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/p>\n<ul>\n<li><strong>\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644\u0627\u062a \u0627\u0644\u0627\u062a\u0635\u0627\u0644<\/strong>: Modbus RTU\u060c Profibus\u060c Ethernet \u0644\u0644\u062a\u0643\u0627\u0645\u0644 \u0645\u0639 SCADA\/BMS<\/li>\n<li><strong>\u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0623\u062d\u062f\u0627\u062b<\/strong>: \u064a\u0633\u062c\u0644 \u0623\u062d\u062f\u0627\u062b \u0627\u0644\u062a\u0639\u062b\u0631 \u0648\u0645\u0644\u0641\u0627\u062a \u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u062d\u0645\u0644 \u0648\u0638\u0631\u0648\u0641 \u0627\u0644\u0625\u0646\u0630\u0627\u0631<\/li>\n<li><strong>\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u062a\u0646\u0628\u0624\u064a\u0629<\/strong>: \u064a\u0631\u0627\u0642\u0628 \u062a\u0622\u0643\u0644 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u0648\u0639\u062f\u062f \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0648\u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/li>\n<li><strong>\u0627\u0644\u0636\u0628\u0637 \u0639\u0646 \u0628\u0639\u062f<\/strong>: \u0636\u0628\u0637 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0639\u0628\u0631 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u062f\u0648\u0646 \u0641\u062a\u062d \u0627\u0644\u0644\u0648\u062d\u0629<\/li>\n<li><strong>\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0623\u0631\u0636\u064a\u0629<\/strong>: \u0625\u0639\u062f\u0627\u062f Ig \u0645\u062f\u0645\u062c \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0623\u0641\u0631\u0627\u062f \u0648\u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/li>\n<li><strong>\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0648\u0645\u064a\u0636 \u0627\u0644\u0642\u0648\u0633\u064a<\/strong>: \u064a\u0642\u0644\u0644 \u0648\u0636\u0639 \u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0645\u0624\u0642\u062a\u064b\u0627 \u0645\u0646 Ii \u0644\u062a\u0642\u0644\u064a\u0644 \u0637\u0627\u0642\u0629 \u0627\u0644\u062d\u0648\u0627\u062f\u062b<\/li>\n<\/ul>\n<p>\u0647\u0630\u0647 \u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0630\u0627\u062a \u0642\u064a\u0645\u0629 \u062e\u0627\u0635\u0629 \u0641\u064a <a href=\"https:\/\/test.viox.com\/ar\/commercial-ev-charging-protection-guide-acb-mccb-rcbo\/\">\u0634\u062d\u0646 \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/a>, \u0648\u0645\u0631\u0627\u0643\u0632 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0648\u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u064a\u0648\u064a\u0629 \u062d\u064a\u062b \u062a\u0643\u0648\u0646 \u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u062a\u0648\u0642\u0641 \u0639\u0646 \u0627\u0644\u0639\u0645\u0644 \u0645\u0631\u062a\u0641\u0639\u0629 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0627\u0633\u062a\u0628\u0627\u0642\u064a\u0629 \u0636\u0631\u0648\u0631\u064a\u0629.<\/p>\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629: \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0648\u062d\u062f\u0629 \u0641\u0635\u0644 \u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0648\u0644\u0628 (MCCB)<\/h2>\n<p><strong>\u0633: \u0645\u0627\u0630\u0627 \u064a\u0639\u0646\u064a Ir \u0641\u064a \u0648\u062d\u062f\u0629 \u0641\u0635\u0644 \u0642\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0648\u0644\u0628 (MCCB)\u061f<\/strong><\/p>\n<p>\u062c: \u064a\u0631\u0645\u0632 Ir \u0625\u0644\u0649 \u201c\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0644\u062a\u0642\u0627\u0637 \u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u0645\u062f\u201d \u0623\u0648 \u201c\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0646\u0646\u201d. \u0648\u0647\u0648 \u064a\u0645\u062b\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0630\u064a \u0633\u064a\u062d\u0645\u0644\u0647 \u0627\u0644\u0642\u0627\u0637\u0639 \u062f\u0648\u0646 \u0641\u0635\u0644\u060c \u0648\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0642\u0627\u0628\u0644\u0627\u064b \u0644\u0644\u062a\u0639\u062f\u064a\u0644 \u0645\u0646 0.4 \u0625\u0644\u0649 1.0 \u0636\u0639\u0641 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0627\u0633\u0645\u064a \u0644\u0644\u0642\u0627\u0637\u0639 (In). \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0644\u062f\u064a\u0643 \u0642\u0627\u0637\u0639 400 \u0623\u0645\u0628\u064a\u0631 (In = 400A) \u0648\u0642\u0645\u062a \u0628\u062a\u0639\u064a\u064a\u0646 Ir \u0625\u0644\u0649 0.8\u060c \u064a\u0635\u0628\u062d \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0641\u0639\u0627\u0644 320 \u0623\u0645\u0628\u064a\u0631. \u064a\u062d\u0645\u064a Ir \u0645\u0646 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062e\u0627\u0635\u064a\u0629 \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0639\u0643\u0633\u064a - \u0641\u0643\u0644\u0645\u0627 \u0632\u0627\u062f \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u060c \u0632\u0627\u062f\u062a \u0633\u0631\u0639\u0629 \u0627\u0644\u0641\u0635\u0644.<\/p>\n<p><strong>\u0633: \u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u062d\u0633\u0627\u0628 \u0625\u0639\u062f\u0627\u062f Ir \u0627\u0644\u0635\u062d\u064a\u062d \u0644\u0644\u062d\u0645\u0644 \u0627\u0644\u062e\u0627\u0635 \u0628\u064a\u061f<\/strong><\/p>\n<p>\u062c: \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0635\u064a\u063a\u0629: <strong>Ir = \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u00f7 0.8<\/strong> (\u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u0648\u0641\u0642\u064b\u0627 \u0644\u0642\u0627\u0639\u062f\u0629 NEC\/IEC 80%). \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 100 \u0623\u0645\u0628\u064a\u0631 Ir = 100A \u00f7 0.8 = 125A. \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u062e\u0627\u0635 \u0628\u0643 \u0644\u062f\u064a\u0647 In = 160A\u060c \u0641\u0627\u0636\u0628\u0637 \u0642\u0631\u0635 Ir \u0639\u0644\u0649 125A \u00f7 160A = 0.78 (\u0642\u0631\u0651\u0628 \u0625\u0644\u0649 0.8 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0647\u0630\u0627 \u0647\u0648 \u0623\u0642\u0631\u0628 \u0625\u0639\u062f\u0627\u062f). \u062a\u062d\u0642\u0642 \u062f\u0627\u0626\u0645\u064b\u0627 \u0645\u0646 \u0623\u0646 Ir \u0644\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u0633\u0639\u0629 \u0627\u0644\u0623\u0645\u0628\u064a\u0631 \u0644\u0623\u0635\u063a\u0631 \u0645\u0648\u0635\u0644 \u0641\u064a \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0648 \u0636\u0639 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 <a href=\"https:\/\/test.viox.com\/ar\/mcb-ambient-temperature-ratings-and-derating-factors\/\">\u062a\u062e\u0641\u064a\u0636 \u0627\u0644\u0642\u062f\u0631\u0629 \u0628\u0633\u0628\u0628 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629<\/a> \u0625\u0630\u0627 \u0644\u0632\u0645 \u0627\u0644\u0623\u0645\u0631.<\/p>\n<p><strong>\u0633: \u0645\u0627 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 Isd \u0648 Ii\u061f<\/strong><\/p>\n<p>A: <strong>Isd<\/strong> (\u0627\u0644\u062a\u0642\u0627\u0637 \u0645\u0627\u0633 \u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f) \u0648 <strong>Ii<\/strong> (\u0627\u0644\u062a\u0642\u0627\u0637 \u0641\u0648\u0631\u064a) \u0643\u0644\u0627\u0647\u0645\u0627 \u064a\u062d\u0645\u064a \u0645\u0646 \u0645\u0627\u0633 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u060c \u0648\u0644\u0643\u0646 \u0628\u0623\u0648\u0642\u0627\u062a \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0645\u062e\u062a\u0644\u0641\u0629. \u064a\u062a\u0636\u0645\u0646 Isd \u062a\u0623\u062e\u064a\u0631\u064b\u0627 \u0632\u0645\u0646\u064a\u064b\u0627 \u0645\u0642\u0635\u0648\u062f\u064b\u0627 (tsd\u060c \u0639\u0627\u062f\u0629\u064b 0.05-0.4 \u062b\u0627\u0646\u064a\u0629) \u0644\u0644\u0633\u0645\u0627\u062d \u0644\u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0623\u0648\u0644\u0627\u064b\u060c \u0645\u0645\u0627 \u064a\u062a\u064a\u062d \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629. \u064a\u0648\u0641\u0631 Ii \u0641\u0635\u0644\u064b\u0627 \u0641\u0648\u0631\u064a\u064b\u0627 (&lt;50 \u0645\u0644\u0644\u064a \u062b\u0627\u0646\u064a\u0629) \u0628\u062f\u0648\u0646 \u062a\u0623\u062e\u064a\u0631 \u0644\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0634\u062f\u064a\u062f\u0629. \u0641\u0643\u0631 \u0641\u064a Isd \u0639\u0644\u0649 \u0623\u0646\u0647 \u201c\u062d\u0645\u0627\u064a\u0629 \u0645\u0646\u0633\u0642\u0629\u201d \u0648 Ii \u0639\u0644\u0649 \u0623\u0646\u0647 \u201c\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0644\u0627\u0630 \u0627\u0644\u0623\u062e\u064a\u0631\u201d. \u0641\u064a \u0646\u0638\u0627\u0645 \u0645\u0646\u0633\u0642 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d\u060c \u064a\u062c\u0628 \u062a\u0639\u064a\u064a\u0646 Ii \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 1.5 \u0636\u0639\u0641 Isd \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u062f\u0627\u062e\u0644.<\/p>\n<p><strong>\u0633: \u0644\u0645\u0627\u0630\u0627 \u0623\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u062a\u0623\u062e\u064a\u0631 \u0645\u0627\u0633 \u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f (tsd) \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0641\u0635\u0644 \u0627\u0644\u0641\u0648\u0631\u064a\u061f<\/strong><\/p>\n<p>\u062c: \u064a\u062a\u064a\u062d \u062a\u0623\u062e\u064a\u0631 \u0645\u0627\u0633 \u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0642\u0635\u064a\u0631 \u0627\u0644\u0623\u0645\u062f <strong>selectivity<\/strong>\u2014\u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0639\u0632\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0639\u064a\u0628\u0629 \u0641\u0642\u0637 \u0645\u0639 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062a\u0646\u0634\u064a\u0637 \u0628\u0642\u064a\u0629 \u0627\u0644\u0646\u0638\u0627\u0645. \u0628\u062f\u0648\u0646 tsd\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0648\u062c\u0648\u062f \u0639\u0637\u0644 \u0641\u064a \u0623\u064a \u0645\u0643\u0627\u0646 \u0641\u064a \u0627\u0644\u0646\u0638\u0627\u0645 \u0625\u0644\u0649 \u0641\u0635\u0644 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u060c \u0645\u0645\u0627 \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u0627\u0646\u0642\u0637\u0627\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0643\u0627\u0645\u0644. \u0645\u0646 \u062e\u0644\u0627\u0644 \u0625\u0636\u0627\u0641\u0629 \u062a\u0623\u062e\u064a\u0631 \u0645\u0646 0.1 \u0625\u0644\u0649 0.4 \u062b\u0627\u0646\u064a\u0629 \u0644\u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 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\u0627\u0644\u062a\u0623\u062e\u064a\u0631 (\u062a\u062d\u0642\u0642 \u0645\u0646 \u062a\u0635\u0646\u064a\u0641 Icw).<\/p>\n<p><strong>\u0633: \u0647\u0644 \u064a\u0645\u0643\u0646\u0646\u064a \u062a\u0639\u064a\u064a\u0646 Ii \u0623\u0642\u0644 \u0645\u0646 Isd\u061f<\/strong><\/p>\n<p>\u062c: \u0644\u0627\u060c \u0647\u0630\u0627 \u062e\u0637\u0623 \u0634\u0627\u0626\u0639 \u064a\u0628\u0637\u0644 \u0627\u0644\u063a\u0631\u0636 \u0645\u0646 \u0648\u062c\u0648\u062f \u0645\u0646\u0637\u0642\u062a\u064a \u062d\u0645\u0627\u064a\u0629 \u0645\u0646\u0641\u0635\u0644\u062a\u064a\u0646. <strong>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 Ii \u062f\u0627\u0626\u0645\u064b\u0627 \u0623\u0639\u0644\u0649 \u0645\u0646 Isd<\/strong> (\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 \u0623\u0639\u0644\u0649 \u0628\u0640 1.5-2 \u0645\u0631\u0629) \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 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\u0627\u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0646\u0628\u0639 \u0648\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628\u061f<\/strong><\/p>\n<p>\u062c: \u0627\u062a\u0628\u0639 \u0647\u0630\u0647 \u0627\u0644\u0642\u0648\u0627\u0639\u062f: (1) <strong>Ir \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 \u2265 2\u00d7 Ir \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/strong> \u0644\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u062c\u0645\u0639\u0629\u061b (2) <strong>Isd \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639 &gt; Ii \u0641\u064a \u0627\u0644\u0645\u0635\u0628<\/strong> \u0628\u062d\u064a\u062b \u0644\u0627 \u062a\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0641\u0648\u0631\u064a\u0629 \u0644\u0644\u0642\u0627\u0637\u0639 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href=\"https:\/\/test.viox.com\/ar\/mccb\/\">\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0648\u0644\u0628\u0629 (MCCB) \u0645\u0639 \u0648\u062d\u062f\u0627\u062a \u0641\u0635\u0644 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0645\u062a\u0642\u062f\u0645\u0629<\/a>. \u064a\u0642\u062f\u0645 \u0641\u0631\u064a\u0642\u0646\u0627 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u062f\u0639\u0645\u064b\u0627 \u0634\u0627\u0645\u0644\u0627\u064b \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0648\u062d\u062f\u0629 \u0627\u0644\u0641\u0635\u0644 \u0648\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0648\u0645\u0633\u0627\u0639\u062f\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0644\u0636\u0645\u0627\u0646 \u062a\u0634\u063a\u064a\u0644 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u062e\u0627\u0635 \u0628\u0643 \u0628\u0623\u0645\u0627\u0646 \u0648\u0643\u0641\u0627\u0621\u0629. \u0627\u062a\u0635\u0644 \u0628\u0646\u0627 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u062d\u0648\u0644 \u062a\u062d\u0633\u064a\u0646 \u0625\u0639\u062f\u0627\u062f\u0627\u062a Ir \u0648 Isd \u0648 Ii \u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a\u0643 \u0627\u0644\u0641\u0631\u064a\u062f\u0629.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Why MCCB Trip Unit Settings Matter: The Foundation of Electrical Protection Modern electrical distribution systems demand precise, reliable protection against overloads and short circuits. At the heart of this protection lies the molded case circuit breaker (MCCB) trip unit\u2014the &#8220;brain&#8221; that determines when and how quickly a breaker responds to fault conditions. Unlike fixed-trip miniature [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21380,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/posts\/21379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/comments?post=21379"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/posts\/21379\/revisions"}],"predecessor-version":[{"id":21381,"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/posts\/21379\/revisions\/21381"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/media\/21380"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/media?parent=21379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/categories?post=21379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ar\/wp-json\/wp\/v2\/tags?post=21379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}