{"id":3352,"date":"2026-08-04T17:00:00","date_gmt":"2026-08-04T17:00:00","guid":{"rendered":"https:\/\/chac-electric.com\/?p=3352"},"modified":"2026-08-05T06:43:42","modified_gmt":"2026-08-05T06:43:42","slug":"%d8%a7%d8%ae%d8%aa%d9%8a%d8%a7%d8%b1-%d9%82%d8%a7%d8%b7%d8%b9-%d8%a7%d9%84%d8%af%d8%a7%d8%a6%d8%b1%d8%a9-%d8%a7%d9%84%d9%85%d8%b5%d8%ba%d8%b1-%d8%a3%d8%ad%d8%a7%d8%af%d9%8a-%d8%a7%d9%84%d9%82%d8%b7","status":"publish","type":"post","link":"https:\/\/chac-electric.com\/ar\/blog\/single-pole-vs-double-pole-mcb-selection\/","title":{"rendered":"\u0645\u062a\u0649 \u064a\u062c\u0628 \u0639\u0644\u0649 \u0645\u0635\u0646\u0639\u064a \u0627\u0644\u0644\u062d\u0627\u062a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u0645\u0635\u063a\u0631 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 \u0623\u0648 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628\u061f"},"content":{"rendered":"<div class=\"b2b-article\">\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u0635\u0646\u0639\u064a \u0627\u0644\u0644\u0648\u062d\u0627\u062a\u060c \u0641\u0625\u0646 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u064a\u0646 \u0642\u0627\u0637\u0639 \u062f\u0648\u0631\u0629 \u0645\u0635\u063a\u0631 (MCB) \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 \u0648\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 \u064a\u0628\u062f\u0623 \u0628\u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0641\u0635\u0644\u0647\u0627 \u0648\u062d\u0645\u0627\u064a\u062a\u0647\u0627 - \u0648\u0644\u064a\u0633 \u0628\u0639\u0631\u0636 \u0627\u0644\u0644\u0648\u062d\u0629 \u0623\u0648 \u0628\u0645\u0644\u0635\u0642 \u0645\u0623\u0644\u0648\u0641. \u064a\u062a\u0639\u0627\u0645\u0644 \u0627\u0644\u062c\u0647\u0627\u0632 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 \u0645\u0639 \u0642\u0637\u0628 \u0648\u0627\u062d\u062f\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u062d\u062a\u0648\u064a \u0627\u0644\u062c\u0647\u0627\u0632 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 \u0639\u0644\u0649 \u0642\u0637\u0628\u064a\u0646 \u0645\u0631\u062a\u0628\u0637\u064a\u0646. \u062a\u062d\u0642\u0642 \u0645\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062e\u062a\u0627\u0631 \u064a\u0642\u0648\u0645 \u0628\u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0623\u0648 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0623\u0648 \u0628\u0643\u0644\u064a\u0647\u0645\u0627 \u0644\u0643\u0644 \u0645\u0648\u0635\u0644\u060c \u062b\u0645 \u062a\u0623\u0643\u064a\u062f \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0648\u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0645\u062d\u0644\u064a\u0629 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0646\u062a\u062c \u0642\u0628\u0644 \u0627\u0644\u0625\u0635\u062f\u0627\u0631.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3357 aligncenter\" src=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/60a39b4af07640c8aa7a163778a67145-1024x683.webp\" alt=\"\u0645\u062a\u0649 \u064a\u062c\u0628 \u0639\u0644\u0649 \u0645\u0635\u0646\u0639\u064a \u0627\u0644\u0644\u062d\u0627\u062a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u0645\u0635\u063a\u0631 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 \u0623\u0648 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628\u061f\" width=\"1024\" height=\"683\" srcset=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/60a39b4af07640c8aa7a163778a67145-1024x683.webp 1024w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/60a39b4af07640c8aa7a163778a67145-300x200.webp 300w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/60a39b4af07640c8aa7a163778a67145-768x512.webp 768w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/60a39b4af07640c8aa7a163778a67145-1536x1024.webp 1536w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/60a39b4af07640c8aa7a163778a67145-2048x1365.webp 2048w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/60a39b4af07640c8aa7a163778a67145-18x12.webp 18w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/60a39b4af07640c8aa7a163778a67145-600x400.webp 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<figure style=\"margin: 26px 0; text-align: center;\"><\/figure>\n<nav class=\"b2b-toc\">\n<h2 id=\"contents\">\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/h2>\n<ul>\n<li><a href=\"#part-1-start-with-the-conductors-the-circuit-must-disconnect\">\u0627\u0644\u062c\u0632\u0621 1. \u0627\u0628\u062f\u0623 \u0628\u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u064a\u0641\u0635\u0644\u0647\u0627 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/a><\/li>\n<li><a href=\"#part-2-what-a-single-pole-mcb-does-and-does-not-do\">\u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u062b\u0627\u0646\u064a: \u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u0641\u0639\u0644\u0647 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 (MCB)\u2014\u0648\u0645\u0627 \u0644\u0627 \u064a\u0641\u0639\u0644\u0647<\/a><\/li>\n<li><a href=\"#part-3-why-1p-n-needs-its-own-check\">\u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u062b\u0627\u0644\u062b. \u0644\u0645\u0627\u0630\u0627 \u064a\u062d\u062a\u0627\u062c \u0646\u0638\u0627\u0645 (1P+N) \u0625\u0644\u0649 \u0641\u062d\u0635 \u062e\u0627\u0635 \u0628\u0647<\/a><\/li>\n<li><a href=\"#part-4-when-a-double-pole-mcb-belongs-in-the-review\">\u0627\u0644\u062c\u0632\u0621 4. \u0645\u062a\u0649 \u064a\u0643\u0648\u0646 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0645\u0635\u063a\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 \u062c\u0632\u0621\u0627\u064b \u0645\u0646 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629<\/a><\/li>\n<li><a href=\"#part-5-turn-the-comparison-into-a-panel-decision\">\u0627\u0644\u062c\u0632\u0621 5: \u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0625\u0644\u0649 \u0642\u0631\u0627\u0631 \u0644\u062c\u0646\u0629<\/a><\/li>\n<li><a href=\"#part-6-choose-a-product-route-only-after-the-inputs-are-defined\">\u0627\u0644\u062c\u0632\u0621 6. \u0627\u062e\u062a\u0631 \u0645\u0633\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c \u0641\u0642\u0637 \u0628\u0639\u062f \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u062f\u062e\u0644\u0627\u062a<\/a><\/li>\n<li><a href=\"#part-7-fit-boundary-when-the-pole-count-is-not-the-final-decision\">\u0627\u0644\u062c\u0632\u0621 7: \u0636\u0628\u0637 \u0627\u0644\u062d\u062f\u0648\u062f: \u0639\u0646\u062f\u0645\u0627 \u0644\u0627 \u064a\u0643\u0648\u0646 \u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0647\u0648 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 id=\"part-1-start-with-the-conductors-the-circuit-must-disconnect\">\u0627\u0644\u062c\u0632\u0621 1. \u0627\u0628\u062f\u0623 \u0628\u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u064a\u0641\u0635\u0644\u0647\u0627 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/h2>\n<p>\u064a\u0635\u0641 \u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062c\u0647\u0627\u0632\u061b \u0648\u0647\u0648 \u0648\u062d\u062f\u0647 \u0644\u0627 \u064a\u0624\u0643\u062f \u0643\u064a\u0641 \u064a\u0646\u0628\u063a\u064a \u062d\u0645\u0627\u064a\u0629 \u062a\u0631\u0643\u064a\u0628 \u0645\u0639\u064a\u0646. \u0627\u0628\u062f\u0623 \u0628\u0627\u0644\u0645\u062e\u0637\u0637 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u062e\u0637 \u0648\u062d\u062f\u062f \u0643\u0644 \u0645\u0648\u0635\u0644 \u064a\u062c\u0628 \u0623\u0646 \u064a\u0646\u0641\u062a\u062d \u0645\u0639\u0627\u064b \u0644\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0623\u0648 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0644\u0644\u062f\u0627\u0626\u0631\u0629.<\/p>\n<p>\u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u062a\u0627\u0644\u064a \u0645\u0633\u062a\u0642\u0644: \u062d\u062f\u062f \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f. \u0644\u0627 \u063a\u0646\u0649 \u0639\u0646 \u0645\u062e\u0637\u0637 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0648\u0627\u0644\u062a\u0648\u062b\u064a\u0642 \u0627\u0644\u0641\u0646\u064a \u0644\u0644\u0637\u0631\u0627\u0632 \u0627\u0644\u0645\u062d\u062f\u062f\u060c \u0641\u0628\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u0646\u062a\u062c \u0648\u0645\u0631\u0634\u062d \u0627\u0644\u0643\u062a\u0627\u0644\u0648\u062c \u0648\u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0628\u0635\u0631\u064a\u0629 \u0644\u0627 \u062a\u063a\u0646\u064a \u0639\u0646\u0647\u0627.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0633\u0624\u0627\u0644 \u0645\u0631\u0627\u062c\u0639\u0629<\/th>\n<th>\u0644\u0645\u0627\u0630\u0627 \u064a\u063a\u064a\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<\/th>\n<th>\u0623\u062f\u0644\u0629 \u0644\u064a\u062a\u0645 \u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0647\u0627 \u0645\u0639 \u0645\u0644\u0641 \u0627\u0644\u0644\u0648\u062d\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0623\u064a \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u062a\u063a\u0630\u064a \u0627\u0644\u062d\u0645\u0644\u061f<\/td>\n<td>\u064a\u062d\u062f\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0644\u0644\u062f\u0627\u0626\u0631\u0629 \u0645\u0648\u0635\u0644 \u0648\u0627\u062d\u062f \u0623\u0648 \u0645\u0648\u0635\u0644\u0627\u0646 \u0644\u064a\u062a\u0645 \u0641\u062a\u062d\u0647\u0645\u0627 \u0645\u0639\u0627\u064b<\/td>\n<td>\u0645\u062e\u0637\u0637 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u062e\u0637 \u0648\u062a\u0639\u064a\u064a\u0646 \u0627\u0644\u062f\u0627\u0631\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u062a\u0628\u062f\u064a\u0644\u0647\u0627\u061f<\/td>\n<td>\u064a\u0641\u0635\u0644 \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0639\u0646 \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f<\/td>\n<td>\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0627\u0644\u0645\u0637\u0628\u0642\u0629 \u0648\u0645\u062e\u0637\u0637 \u0627\u0644\u062c\u0647\u0627\u0632<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u0627 \u0647\u064a \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0627\u0644\u0645\u062d\u0645\u064a\u0629\u061f<\/td>\n<td>\u064a\u0645\u0646\u0639 \u0627\u0639\u062a\u0628\u0627\u0631 \u0643\u0644 \u0628\u0646\u0627\u0621 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0645\u062a\u0637\u0627\u0628\u0642\u0627\u064b<\/td>\n<td>\u0648\u0631\u0642\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0645\u062d\u062f\u062f \u0648\u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a<\/td>\n<\/tr>\n<tr>\n<td>\u0647\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0645\u062a\u0631\u062f\u062f \u0623\u0645 \u0645\u0633\u062a\u0645\u0631\u061f<\/td>\n<td>\u0645\u0646\u0627\u0633\u0628\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0644\u0627 \u062a\u062b\u0628\u062a \u0645\u0646\u0627\u0633\u0628\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/td>\n<td>\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0648\u0627\u062c\u0628 \u0627\u0644\u0645\u0642\u0646\u0646 \u0644\u0644\u062c\u0647\u0627\u0632 \u0628\u0627\u0644\u0636\u0628\u0637<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0639\u0631\u0636 \u0623\u0648\u0633\u0639 \u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0645\u062b\u0644 \u0627\u0644\u0623\u0639\u0645\u062f\u0629\u060c \u0648\u0627\u0644\u0645\u0646\u062d\u0646\u064a\u0627\u062a\u060c \u0648\u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a\u060c \u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 <a href=\"https:\/\/chac-electric.com\/ar\/%d9%85%d8%af%d9%88%d9%86%d8%a9\/miniature-circuit-breaker-types-specifications-complete-guide-to-selection-working-principle-and-applications\/\">\u062f\u0644\u064a\u0644 \u0623\u0646\u0648\u0627\u0639 \u0648\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 (MCB)<\/a> \u0625\u0644\u0649 \u062c\u0627\u0646\u0628 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0646\u0647\u0627\u0626\u064a.<\/p>\n<h2 id=\"part-2-what-a-single-pole-mcb-does-and-does-not-do\">\u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u062b\u0627\u0646\u064a: \u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u0641\u0639\u0644\u0647 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 (MCB)\u2014\u0648\u0645\u0627 \u0644\u0627 \u064a\u0641\u0639\u0644\u0647<\/h2>\n<p>\u0645\u0641\u062a\u0627\u062d \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 \u0627\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 \u0645\u062e\u0635\u0635 \u0644\u062a\u0628\u062f\u064a\u0644 \u0648\u062d\u0645\u0627\u064a\u0629 \u0645\u0648\u0635\u0644 \u0648\u0627\u062d\u062f \u0641\u064a \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u062d\u062f\u062f \u0644\u0647. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0630\u0644\u0643 \u0646\u0642\u0637\u0629 \u0628\u062f\u0627\u064a\u0629 \u0645\u0646\u0627\u0633\u0628\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u062f\u0639\u0645 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0648\u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u0627 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u062e\u062a\u0627\u0631 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0648\u0627\u062d\u062f.<\/p>\n<p>\u0627\u0644\u0642\u064a\u062f \u0645\u0647\u0645 \u0628\u0627\u0644\u0642\u062f\u0631 \u0646\u0641\u0633\u0647: \u0644\u0627 \u064a\u062a\u062d\u0648\u0644 \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0627\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 \u0625\u0644\u0649 \u0639\u0632\u0644 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0645\u0648\u0635\u0644 \u0644\u0645\u062c\u0631\u062f \u0648\u062c\u0648\u062f \u062e\u0637 \u0645\u062d\u064a\u0651\u062f \u0642\u0631\u064a\u0628 \u0623\u0648 \u0645\u0648\u0635\u0644 \u0622\u062e\u0631. \u064a\u062c\u0628 \u0623\u0646 \u064a\u064f\u0638\u0647\u0631 \u0631\u0633\u0645 \u0644\u0648\u062d\u0629 \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0645\u0627 \u064a\u0638\u0644 \u0645\u062a\u0635\u0644\u0627\u064b \u0639\u0646\u062f \u0641\u062a\u062d \u0627\u0644\u062c\u0647\u0627\u0632.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0646\u0642\u0637\u0629 \u0645\u0631\u0627\u062c\u0639\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0642\u0637\u0628<\/th>\n<th>\u0645\u0627 \u064a\u062c\u0628 \u062a\u0623\u0643\u064a\u062f \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0642\u0628\u0644\u0647<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062f\u0627\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/td>\n<td>\u0627\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0645\u062e\u0635\u0635 \u0644\u0644\u0639\u0645\u0648\u062f \u0648\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u062a\u0648\u0642\u0639\u0627\u062a<\/td>\n<td>\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0641\u062a\u062d \u0645\u0648\u0635\u0644 \u0648\u0627\u062d\u062f \u064a\u0641\u064a \u0628\u0646\u0647\u062c \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0645\u0648\u062b\u0642<\/td>\n<\/tr>\n<tr>\n<td>\u062a\u0648\u0642\u0639 \u0627\u0644\u062d\u0645\u0627\u064a\u0629<\/td>\n<td>\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f \u0644\u0644\u0642\u0637\u0628 \u0643\u0645\u0627 \u0647\u0648 \u0645\u0630\u0643\u0648\u0631 \u0641\u064a \u0627\u0644\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u062d\u062f\u062f\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0648\u0627\u062c\u0647\u0629 \u0644\u0648\u062d\u0629 \u0627\u0644\u062a\u062d\u0643\u0645<\/td>\n<td>\u0627\u0644\u062a\u0631\u0643\u064a\u0628\u060c \u0648\u0623\u0631\u0641\u0641 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u060c \u0648\u0627\u0644\u0645\u0644\u062d\u0642\u0627\u062a\u060c \u0648\u0648\u0636\u0639 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0641\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0641\u0639\u0644\u064a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0644\u0627 \u062a\u0641\u0631\u0636 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0642\u0627\u0626\u0645\u0629 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0645\u0629. \u064a\u062c\u0628 \u0639\u0644\u0649 \u0645\u064f\u062c\u0645\u0651\u0639 \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u062a\u0648\u062b\u064a\u0642 \u062f\u0648\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0623\u0648\u0644\u0627\u064b\u060c \u062b\u0645 \u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0637\u0644\u0628 \u0628\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u0627 \u0648\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 (MCB) \u0627\u0644\u0645\u064f\u062e\u062a\u0627\u0631.<\/p>\n<h2 id=\"part-3-why-1p-n-needs-its-own-check\">\u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u062b\u0627\u0644\u062b. \u0644\u0645\u0627\u0630\u0627 \u064a\u062d\u062a\u0627\u062c \u0646\u0638\u0627\u0645 (1P+N) \u0625\u0644\u0649 \u0641\u062d\u0635 \u062e\u0627\u0635 \u0628\u0647<\/h2>\n<p>\u064a\u0633\u062a\u062d\u0642 \u0627\u0644\u0631\u0645\u0632 1P+N \u0633\u0637\u0631\u064b\u0627 \u0645\u0646\u0641\u0635\u0644\u064b\u0627 \u0641\u064a \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0648\u0627\u062f. \u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u0639\u0627\u062f\u0629 \u0644\u062a\u0635\u0645\u064a\u0645 \u064a\u0642\u0637\u0639 \u062e\u0637 \u0627\u0644\u0637\u0648\u0631 \u0648\u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0645\u0639\u064b\u0627 \u0628\u064a\u0646\u0645\u0627 \u062a\u0631\u062a\u0628\u0637 \u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f \u0628\u0642\u0637\u0628 \u0627\u0644\u0637\u0648\u0631\u061b \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0627\u0644\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062f\u0642\u064a\u0642 \u064a\u0639\u062f \u0645\u0633\u0623\u0644\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u0644\u0644\u0645\u0646\u062a\u062c\u060c \u0648\u0644\u064a\u0633 \u0627\u062e\u062a\u0635\u0627\u0631\u064b\u0627 \u064a\u0645\u0643\u0646 \u0627\u0641\u062a\u0631\u0627\u0636\u0647 \u0645\u0646 \u0627\u0644\u0631\u0645\u0632 \u0648\u062d\u062f\u0647.<\/p>\n<p>\u0647\u0630\u0627 \u0627\u0644\u062a\u0645\u064a\u064a\u0632 \u0645\u0647\u0645 \u0644\u0623\u0646 \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0648\u0627\u062d\u062f \u0645\u0639 \u0627\u0644\u0645\u062d\u0627\u064a\u062f (1P+N) \u0648\u0627\u0644\u0642\u0637\u0628\u064a\u0646 (2P) \u0642\u062f \u064a\u0644\u0628\u064a\u0627\u0646 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u062a\u0628\u062f\u064a\u0644 \u0648\u062d\u0645\u0627\u064a\u0629 \u0645\u062e\u062a\u0644\u0641\u0629. \u0627\u0637\u0644\u0628 \u0645\u0646 \u0627\u0644\u0645\u0648\u0631\u062f \u0645\u062e\u0637\u0637 \u0627\u0644\u062c\u0647\u0627\u0632\u060c \u0648\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0623\u0642\u0637\u0627\u0628\u060c \u0648\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0637\u0628\u0642\u060c \u0648\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062a\u0645\u062f\u064a\u062f \u0627\u0644\u0645\u0642\u0635\u0648\u062f \u0642\u0628\u0644 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0623\u062d\u062f\u062f\u0647\u0645\u0627 \u0628\u0627\u0644\u0622\u062e\u0631.<\/p>\n<blockquote>\n<h5><strong>\u0645\u0648\u0635\u0649 \u0628\u0647 \u0645\u0646 \u0642\u0628\u0644 CHAC MCB:<\/strong><\/h5>\n<h5><a href=\"https:\/\/chac-electric.com\/ar\/product\/cqb2-63-miniature-circuit-breaker\/\">\u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 CQB2-63 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 | \u0633\u064a \u0625\u062a\u0634 \u0625\u064a\u0647 \u0633\u064a \u0625\u0644\u064a\u0643\u062a\u0631\u064a\u0643<\/a><\/h5>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3356\" src=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/cqb2-63-series-miniature-circuit-breakers-for-power-systems-cqb2-63-2-600x600-1.webp\" alt=\"\u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631\" width=\"600\" height=\"600\" srcset=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/cqb2-63-series-miniature-circuit-breakers-for-power-systems-cqb2-63-2-600x600-1.webp 600w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/cqb2-63-series-miniature-circuit-breakers-for-power-systems-cqb2-63-2-600x600-1-300x300.webp 300w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/cqb2-63-series-miniature-circuit-breakers-for-power-systems-cqb2-63-2-600x600-1-150x150.webp 150w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/cqb2-63-series-miniature-circuit-breakers-for-power-systems-cqb2-63-2-600x600-1-12x12.webp 12w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/08\/cqb2-63-series-miniature-circuit-breakers-for-power-systems-cqb2-63-2-600x600-1-100x100.webp 100w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p><\/blockquote>\n<p><strong>\u0645\u0647\u0645:<\/strong> \u0644\u0627 \u062a\u0633\u062a\u062e\u062f\u0645 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u0645\u0635\u063a\u0631 (MCB) \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0641\u064a \u062f\u0627\u0626\u0631\u0629 \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 \u0644\u0645\u062c\u0631\u062f \u0627\u062d\u062a\u0648\u0627\u0621 \u0627\u0644\u0642\u0627\u0637\u0639 \u0639\u0644\u0649 \u0642\u0637\u0628 \u0623\u0648 \u0642\u0637\u0628\u064a\u0646\u061b \u064a\u062d\u062f\u062f \u0627\u0644\u0645\u0639\u064a\u0627\u0631 (IEC 60898-2) \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629 \u0644\u0644\u0642\u0648\u0627\u0637\u0639 \u0623\u062d\u0627\u062f\u064a\u0629 \u0648\u062b\u0646\u0627\u0626\u064a\u0629 \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u062a\u0634\u063a\u064a\u0644 \u0628\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0648\u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062d\u062f\u062f \u0645\u0642\u062f\u0631\u0627\u064b \u0648\u0645\u0648\u062b\u0642\u0627\u064b \u0628\u0648\u0636\u0648\u062d \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0642\u0635\u0648\u062f.<a href=\"https:\/\/webstore.iec.ch\/en\/publication\/25675\" rel=\"nofollow noopener\" target=\"_blank\">\u0622\u064a \u0625\u064a \u0633\u064a 60898-2:2016<\/a>)<\/p>\n<p>\u0627\u0633\u062a\u062e\u062f\u0645 <a href=\"https:\/\/chac-electric.com\/ar\/%d9%85%d8%af%d9%88%d9%86%d8%a9\/decoding-the-mcb-nameplate-a-guide-to-key-specifications-for-safer-electrical-system-design\/\">\u062f\u0644\u064a\u0644 \u0644\u0648\u062d\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631<\/a> \u0644\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0623\u0633\u0626\u0644\u0629\u060c \u0648\u0644\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0645 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a.<\/p>\n<h2 id=\"part-4-when-a-double-pole-mcb-belongs-in-the-review\">\u0627\u0644\u062c\u0632\u0621 4. \u0645\u062a\u0649 \u064a\u0643\u0648\u0646 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0645\u0635\u063a\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 \u062c\u0632\u0621\u0627\u064b \u0645\u0646 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629<\/h2>\n<p>\u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 \u064a\u0643\u0648\u0646 \u0645\u0646\u0627\u0633\u0628\u0627\u064b \u0639\u0646\u062f\u0645\u0627 \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0641\u062a\u062d \u0645\u0648\u0635\u0644\u064a\u0646 \u0645\u0639\u0627\u064b \u0623\u0648 \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0628\u0646\u0627\u0621 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0645\u0648\u062b\u0642 \u0641\u064a \u0627\u0644\u0645\u0634\u0631\u0648\u0639. \u0627\u0644\u0642\u0637\u0628\u0627\u0646 \u0645\u0631\u062a\u0628\u0637\u0627\u0646 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0627\u064b\u060c \u0644\u0643\u0646 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0645\u062d\u0645\u064a \u0641\u064a\u0647\u0645\u0627 \u0644\u0627 \u064a\u0632\u0627\u0644 \u064a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u062a\u0623\u0643\u064a\u062f \u0645\u0646 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u062f\u0642\u064a\u0642\u0629.<\/p>\n<p>\u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0645\u0648\u062c\u0647 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0634\u0627\u0645\u0644\u0629:<\/p>\n<ul>\n<li>\u0647\u0644 \u062a\u062d\u062a\u0648\u064a \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0639\u0644\u0649 \u0645\u0648\u0635\u0644\u064a\u0646 \u064a\u062c\u0628 \u0641\u0635\u0644\u0647\u0645\u0627 \u0645\u0639\u0627\u064b\u061f<\/li>\n<li>\u0647\u0644 \u062a\u062a\u0637\u0644\u0628 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0641\u0635\u0644\u0627\u064b \u0645\u062a\u0632\u0627\u0645\u0646\u0627\u064b \u0623\u0645 \u062a\u0631\u062a\u064a\u0628\u0627\u064b \u0645\u062d\u062f\u062f\u0627\u064b \u0644\u0644\u0623\u0642\u0637\u0627\u0628\u061f<\/li>\n<li>\u0647\u0644 \u064a\u0648\u0636\u062d \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062d\u062f\u062f \u0643\u064a\u0641 \u064a\u062a\u0645 \u062a\u0628\u062f\u064a\u0644 \u0648\u062d\u0645\u0627\u064a\u0629 \u0643\u0644 \u0642\u0637\u0628\u061f<\/li>\n<li>\u0647\u0644 \u062a\u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u0645\u0642\u0646\u0646\u0629 \u0644\u0644\u062c\u0647\u0627\u0632\u060c \u0648\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631\u060c \u0648\u0634\u0631\u0648\u0637 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0645\u0639 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639\u061f<\/li>\n<\/ul>\n<p>\u064a\u0648\u0641\u0631 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 IEC 60898-1 \u0633\u064a\u0627\u0642 \u0645\u0646\u062a\u062c \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u062e\u0635\u0635\u0629 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0646\u0627\u0648\u0628 \u0641\u064a \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a \u0627\u0644\u0645\u0646\u0632\u0644\u064a\u0629 \u0648\u0645\u0627 \u0634\u0627\u0628\u0647\u0647\u0627 \u0636\u0645\u0646 \u0646\u0637\u0627\u0642\u0647 \u0627\u0644\u0645\u062d\u062f\u062f. \u0642\u062f \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0645\u062e\u0635\u0635\u0629 \u0644\u0644\u0623\u0634\u062e\u0627\u0635 \u0627\u0644\u0645\u0624\u0647\u0644\u064a\u0646 \u0623\u0648 \u0630\u0648\u064a \u0627\u0644\u062e\u0628\u0631\u0629 \u0633\u064a\u0627\u0642\u0627\u064b \u0645\u0639\u064a\u0627\u0631\u064a\u0627\u064b \u0645\u062e\u062a\u0644\u0641\u0627\u064b\u060c \u0644\u0630\u0627 \u0641\u0625\u0646 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639 -\u0648\u0644\u064a\u0633 \u0639\u0646\u0648\u0627\u0646 \u0627\u0644\u0645\u0642\u0627\u0644- \u0647\u064a \u0645\u0627 \u064a\u062d\u062f\u062f \u0645\u0627 \u064a\u0646\u0637\u0628\u0642.<\/p>\n<h2 id=\"part-5-turn-the-comparison-into-a-panel-decision\">\u0627\u0644\u062c\u0632\u0621 5: \u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0625\u0644\u0649 \u0642\u0631\u0627\u0631 \u0644\u062c\u0646\u0629<\/h2>\n<p>\u062a\u0631\u062c\u0645 \u0633\u0624\u0627\u0644 \u0627\u0644\u0639\u0645\u0648\u062f \u0625\u0644\u0649 \u0645\u0633\u0627\u0631 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0648\u062b\u0642. \u064a\u062d\u0627\u0641\u0638 \u0627\u0644\u062c\u062f\u0648\u0644 \u0623\u062f\u0646\u0627\u0647 \u0639\u0644\u0649 \u0641\u0635\u0644 \u0623\u062f\u0644\u0629 \u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0648\u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0628\u062d\u064a\u062b \u0644\u0627 \u064a\u0645\u0643\u0646 \u0644\u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631 \u0623\u0646 \u064a\u062d\u0644 \u0628\u0647\u062f\u0648\u0621 \u0645\u062d\u0644 \u0642\u0631\u0627\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0646\u0642\u0637\u0629 \u0642\u0631\u0627\u0631<\/th>\n<th>\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0637\u0631\u0641 \u0627\u0644\u0623\u0648\u0644<\/th>\n<th>\u0645\u0631\u0627\u062c\u0639\u0629 2P<\/th>\n<th>\u0625\u0631\u0633\u0627\u0644 \u0645\u0639 \u0637\u0644\u0628 \u0639\u0631\u0636 \u0633\u0639\u0631<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/td>\n<td>\u062d\u062f\u062f \u0645\u0648\u0635\u0644\u0627\u064b \u0648\u0627\u062d\u062f\u0627\u064b \u0645\u062e\u0635\u0635\u0627\u064b \u0644\u0642\u0637\u0628 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629 (MCB)<\/td>\n<td>\u062d\u062f\u062f \u0643\u0644\u0627 \u0627\u0644\u0645\u0648\u0635\u0644\u064a\u0646 \u0648\u0633\u0628\u0628 \u0648\u062c\u0648\u0628 \u0641\u062a\u062d\u0647\u0645\u0627 \u0645\u0639\u064b\u0627<\/td>\n<td>\u0645\u062e\u0637\u0637 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u062e\u0637 \u0648\u0645\u064f\u0639\u0631\u0641 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0627\u0644\u0629 \u0627\u0644\u062a\u0628\u062f\u064a\u0644<\/td>\n<td>\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0627\u0644\u0641\u062a\u062d \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 \u064a\u0637\u0627\u0628\u0642 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0648\u062b\u0642<\/td>\n<td>\u062a\u0623\u0643\u064a\u062f \u0623\u0646 \u0627\u0644\u0641\u062a\u062d \u0627\u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0645\u062a\u0632\u0627\u0645\u0646 \u0645\u0637\u0644\u0648\u0628<\/td>\n<td>\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0623\u0639\u0645\u062f\u0629<\/td>\n<td>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0645\u062d\u0645\u064a \u0645\u0646 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0645\u062d\u062f\u062f<\/td>\n<td>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0645\u062d\u0645\u064a \u0644\u0643\u0644 \u0642\u0637\u0628 \u0645\u0646 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0645\u062d\u062f\u062f<\/td>\n<td>\u0648\u0631\u0642\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u0645\u062e\u0637\u0637 \u0627\u0644\u0623\u0633\u0644\u0627\u0643\u060c \u0648\u0631\u0645\u0632 \u0627\u0644\u0637\u0631\u0627\u0632<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0648\u0627\u062c\u0628 \u0648\u0627\u0644\u0645\u0639\u064a\u0627\u0631<\/td>\n<td>\u062a\u0623\u0643\u062f \u0645\u0646 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0645\u064f\u0648\u064e\u062b\u0651\u064e\u0642 \u0644\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u062d\u062f\u0651\u064e\u062f<\/td>\n<td>\u062a\u0623\u0643\u062f \u0645\u0646 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0645\u064f\u0648\u064e\u062b\u0651\u064e\u0642 \u0644\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u062d\u062f\u0651\u064e\u062f<\/td>\n<td>\u0648\u0627\u062c\u0628 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f\/\u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0637\u0628\u0642\u060c \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0633\u0648\u0642 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0642\u064a\u0648\u062f \u0627\u0644\u062a\u062c\u0645\u064a\u0639<\/td>\n<td>\u062a\u062d\u0642\u0642 \u0645\u0646 \u062a\u062e\u0637\u064a\u0637 \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0641\u0639\u0644\u064a \u0648\u0627\u0644\u0648\u0627\u062c\u0647\u0627\u062a<\/td>\n<td>\u062a\u062d\u0642\u0642 \u0645\u0646 \u062a\u062e\u0637\u064a\u0637 \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0641\u0639\u0644\u064a \u0648\u0627\u0644\u0648\u0627\u062c\u0647\u0627\u062a<\/td>\n<td>\u062a\u0641\u0627\u0635\u064a\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u060c \u0627\u0644\u0645\u0644\u062d\u0642\u0627\u062a\u060c \u0627\u0644\u062a\u0633\u0645\u064a\u0629\u060c \u0648\u0627\u0644\u0643\u0645\u064a\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u062a\u0645\u0646\u0639 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0631\u0628\u0629 \u0623\u064a\u0636\u0627\u064b \u062e\u0637\u0623\u064b \u0634\u0627\u0639 \u0627\u0631\u062a\u0643\u0627\u0628\u0647 \u0641\u064a \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0648\u0631\u064a\u062f: \u0648\u0647\u0648 \u0627\u0644\u0627\u0643\u062a\u0641\u0627\u0621 \u0628\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062d\u0627\u0644\u064a \u0648\u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0645\u0639 \u0625\u063a\u0641\u0627\u0644 \u0645\u062e\u0637\u0637 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629. \u064a\u062c\u0628 \u0623\u0646 \u064a\u0639\u062a\u0645\u062f \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0639\u0644\u0649 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0648\u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0645\u062d\u0644\u064a\u0629\u060c \u0648\u0645\u0644\u0641 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062d\u062f\u062f.<\/p>\n<h2 id=\"part-6-choose-a-product-route-only-after-the-inputs-are-defined\">\u0627\u0644\u062c\u0632\u0621 6. \u0627\u062e\u062a\u0631 \u0645\u0633\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c \u0641\u0642\u0637 \u0628\u0639\u062f \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u062f\u062e\u0644\u0627\u062a<\/h2>\n<h3>\u062a\u0648\u0635\u064a\u0629 \u0628\u0627\u0644\u0645\u0646\u062a\u062c<\/h3>\n<p>\u0628\u0645\u062c\u0631\u062f \u0627\u0643\u062a\u0645\u0627\u0644 \u0645\u062f\u062e\u0644\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639\u060c \u0633\u064a\u062a\u0645 \u0646\u0634\u0631 <a href=\"https:\/\/chac-electric.com\/ar\/product\/cqb2-63-miniature-circuit-breaker\/\">\u0639\u0627\u0626\u0644\u0629 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631\u0629 CQB2-63<\/a> \u0647\u0648 \u0645\u0633\u0627\u0631 \u0630\u0648 \u0635\u0644\u0629 \u0628\u0627\u0644\u0623\u0637\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u0646\u064a\u0629 \u064a\u062c\u0628 \u0645\u0646\u0627\u0642\u0634\u062a\u0647 \u0644\u0623\u0646 \u0635\u0641\u062d\u062a\u0647 \u062a\u0639\u0631\u0636 \u062e\u064a\u0627\u0631\u0627\u062a \u0639\u0627\u0626\u0644\u064a\u0629 \u0645\u0646 \u0646\u0648\u0639 1P \u0648 1P+N \u0648 2P. \u0647\u0630\u0627 \u0644\u064a\u0633 \u0628\u064a\u0627\u0646\u0627\u064b \u0628\u0623\u0646 \u0623\u064a \u062e\u064a\u0627\u0631 \u0639\u0644\u0649 \u062a\u0644\u0643 \u0627\u0644\u0635\u0641\u062d\u0629 \u064a\u0646\u0627\u0633\u0628 \u0644\u0648\u062d\u0629 \u0645\u0639\u064a\u0646\u0629.<\/p>\n<p>\u0644context \u0627\u0644\u0641\u0626\u0629\u060c \u0631\u0627\u062c\u0639 CHAC Electric <a href=\"https:\/\/chac-electric.com\/ar\/%d9%82%d8%a7%d8%b7%d8%b9-%d8%a7%d9%84%d8%af%d8%a7%d8%a6%d8%b1%d8%a9-%d8%a7%d9%84%d9%85%d8%b5%d8%ba%d8%b1\/\">\u0641\u0626\u0629 \u0645\u0646\u062a\u062c\u0627\u062a \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0635\u063a\u064a\u0631\u0629<\/a> \u0648\u0627\u0644\u0623\u0648\u0633\u0639 <a href=\"https:\/\/chac-electric.com\/ar\/%d8%a7%d9%84%d8%a3%d8%ac%d9%87%d8%b2%d8%a9-%d8%a7%d9%84%d9%83%d9%87%d8%b1%d8%a8%d8%a7%d8%a6%d9%8a%d8%a9-%d8%a7%d9%84%d8%b7%d8%b1%d9%81%d9%8a%d8%a9\/\">\u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0637\u0631\u0641\u064a\u0629<\/a> \u0627\u0644\u0646\u0637\u0627\u0642. \u0644\u0627 \u062a\u0642\u0645 \u0628\u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u062f\u064a\u0644 \u0639\u0627\u0645 \u0644\u0645\u062c\u0631\u062f \u0623\u0646\u0647 \u064a\u0628\u062f\u0648 \u0645\u0634\u0627\u0628\u0647\u064b\u0627 \u0623\u0648 \u0644\u0647 \u0646\u0641\u0633 \u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628\u061b \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0627\u0644\u0645\u062d\u0645\u064a\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\u060c \u0648\u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0642\u062f\u0631\u0629\u060c \u0648\u0627\u0644\u0645\u0639\u064a\u0627\u0631\u060c \u0648\u0645\u0644\u0627\u0621\u0645\u0629 \u0627\u0644\u0644\u0648\u062d\u0629.<\/p>\n<p>\u0644\u0625\u062c\u0631\u0627\u0621 \u0645\u0646\u0627\u0642\u0634\u0629 \u0645\u0639 \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629 (OEM)\u060c \u064a\u0631\u062c\u0649 \u0625\u0631\u0633\u0627\u0644 \u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u0623\u062d\u0627\u062f\u064a\u060c \u0648\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a\u060c \u0648\u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0648\u062b\u0627\u0626\u0642\u060c \u0648\u0642\u064a\u0648\u062f \u0627\u0644\u0644\u0648\u062d\u0629\u060c \u0648\u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0623\u0648 \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u0627\u0644\u062a\u063a\u0644\u064a\u0641 \u0639\u0628\u0631 <a href=\"https:\/\/chac-electric.com\/ar\/%d8%aa%d8%ae%d8%b5%d9%8a%d8%b5-%d8%a7%d9%84%d9%85%d9%86%d8%aa%d8%ac%d8%a7%d8%aa-%d8%a7%d9%84%d9%83%d9%87%d8%b1%d8%a8%d8%a7%d8%a6%d9%8a%d8%a9-%d8%a7%d9%84%d8%b7%d8%b1%d9%81%d9%8a%d8%a9\/\">\u062a\u062e\u0635\u064a\u0635 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0644\u0637\u0631\u0641\u064a\u0627\u062a<\/a>. \u0647\u0630\u0627 \u064a\u0645\u0646\u062d \u0627\u0644\u0645\u0648\u0631\u062f \u0623\u0633\u0627\u0633\u0627\u064b \u0642\u0627\u0628\u0644\u0627\u064b \u0644\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0644\u0645\u0646\u0627\u0642\u0634\u0629 \u0645\u0633\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c.<\/p>\n<h2 id=\"part-7-fit-boundary-when-the-pole-count-is-not-the-final-decision\">\u0627\u0644\u062c\u0632\u0621 7: \u0636\u0628\u0637 \u0627\u0644\u062d\u062f\u0648\u062f: \u0639\u0646\u062f\u0645\u0627 \u0644\u0627 \u064a\u0643\u0648\u0646 \u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0647\u0648 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a<\/h2>\n<p>Fit Boundary: \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0645\u0641\u064a\u062f \u0644\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0623\u0648\u0644\u064a\u0629\u060c \u0648\u062a\u062d\u062f\u064a\u062f \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0644\u0648\u062d\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u0648\u0627\u0635\u0644 \u0645\u0639 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646. \u0648\u0647\u0648 \u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628 \u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631\u0629\u060c \u0623\u0648 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0644\u0644\u062d\u0645\u0627\u064a\u0629\u060c \u0623\u0648 \u062a\u0641\u0633\u064a\u0631 \u0627\u0644\u0643\u0648\u062f \u0627\u0644\u0645\u062d\u0644\u064a\u060c \u0623\u0648 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (DC) \u062f\u0648\u0646 \u062a\u0635\u0646\u064a\u0641 \u0635\u0631\u064a\u062d \u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629.<\/p>\n<p>\u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0647\u0648 \u0645\u062c\u0631\u062f \u062d\u0642\u0644 \u0648\u0627\u062d\u062f \u0641\u064a \u0642\u0631\u0627\u0631 \u0627\u0644\u0625\u0635\u062f\u0627\u0631. \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0648\u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0627\u0644\u0644\u0648\u0627\u0626\u062d \u0627\u0644\u0645\u062d\u0644\u064a\u0629\u060c \u0648\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0644\u0648\u062d\u0629\u060c \u0648\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u060c \u0648\u0627\u0644\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0644\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062e\u062a\u0627\u0631.<\/p>\n<p>\u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u0631\u0633\u0645 \u0648\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u062c\u0627\u0647\u0632\u064a\u0646\u060c, <a href=\"https:\/\/chac-electric.com\/ar\/%d8%a7%d8%aa%d8%b5%d9%84-%d8%a8%d9%86%d8%a7\/\">\u0627\u062a\u0635\u0644 \u0628\u0640 CHAC Electric<\/a> \u0645\u0639 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0648\u062d\u0632\u0645\u0629 \u0627\u0644\u0623\u062f\u0644\u0629 \u0644\u0645\u0646\u0627\u0642\u0634\u0629 \u0627\u0644\u0645\u0646\u062a\u062c.<\/p>\n<h2 id=\"faqs\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629<\/h2>\n<h3>\u0627\u0644\u0641\u0631\u0642 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0628\u064a\u0646 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 (MCB) \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 (1P) \u0648\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 (2P) \u0647\u0648 \u0623\u0646 \u0642\u0627\u0637\u0639 1P \u064a\u0642\u0637\u0639 \u0648\u064a\u0641\u0635\u0644 \u0633\u0644\u0643 \u0627\u0644\u062e\u0637 (\u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621) \u0627\u0644\u062d\u0627\u0631 \u0641\u0642\u0637\u060c \u0628\u064a\u0646\u0645\u0627 \u0642\u0627\u0637\u0639 2P \u064a\u0642\u0637\u0639 \u0648\u064a\u0641\u0635\u0644 \u0643\u0644\u0627 \u0645\u0646 \u0633\u0644\u0643 \u0627\u0644\u062e\u0637 \u0627\u0644\u062d\u0627\u0631 \u0648\u0633\u0644\u0643 \u0627\u0644\u0645\u062d\u0627\u064a\u062f (\u0627\u0644\u0646\u064a\u0648\u062a\u0631\u0627\u0644) \u0641\u064a \u0646\u0641\u0633 \u0627\u0644\u0648\u0642\u062a.<\/h3>\n<p>\u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 \u0627\u062d\u0627\u062f\u064a \u0627\u0644\u0642\u0637\u0628 (1P MCB) \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0642\u0637\u0628 \u0648\u0627\u062d\u062f \u0644\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0645\u062e\u0635\u0635 \u0644\u0647. \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 (2P MCB) \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0642\u0637\u0628\u064a\u0646 \u0645\u0631\u062a\u0628\u0637\u0627\u0646 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0627\u064b \u0648\u064a\u0641\u062a\u062d\u0627\u0646 \u0645\u0639\u0627\u064b. \u064a\u062c\u0628 \u0623\u0646 \u062a\u0624\u0643\u062f \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062e\u062a\u0627\u0631 \u0648\u0638\u064a\u0641\u0629 \u0648\u062a\u0631\u062a\u064a\u0628 \u062d\u0645\u0627\u064a\u0629 \u0643\u0644 \u0642\u0637\u0628.<\/p>\n<h3>\u0647\u0644 1P+N \u0647\u0648 \u0646\u0641\u0633\u0647 2P\u061f<\/h3>\n<p>\u0644\u0627. \u064a\u064f\u0639\u062a\u0628\u0631 \u0645\u0644\u0635\u0642 (1P+N) \u0645\u0631\u062a\u0628\u0637\u0629 \u0639\u0627\u062f\u0629\u064b \u0628\u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u0637\u0648\u0631 \u0648\u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0645\u0639 \u062d\u0645\u0627\u064a\u0629 \u0636\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0632\u0627\u0626\u062f \u0639\u0644\u0649 \u0642\u0637\u0628 \u0627\u0644\u0637\u0648\u0631\u060c \u0628\u064a\u0646\u0645\u0627 \u0642\u062f \u064a\u062d\u062a\u0648\u064a \u0627\u0644\u062c\u0647\u0627\u0632 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0642\u0637\u0628 (2P) \u0639\u0644\u0649 \u062a\u0631\u062a\u064a\u0628 \u0645\u062e\u062a\u0644\u0641 \u0644\u0644\u0623\u0642\u0637\u0627\u0628 \u0627\u0644\u0645\u062d\u0645\u064a\u0629. \u062a\u0623\u0643\u062f \u0645\u0646 \u0645\u062e\u0637\u0637 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c \u0642\u0628\u0644 \u0627\u0639\u062a\u0628\u0627\u0631\u0647\u0627 \u0628\u062f\u0627\u0626\u0644.<\/p>\n<h3>\u0647\u0644 \u062a\u062b\u0628\u062a \u0627\u0644\u0639\u0644\u0627\u0645\u0629 2P \u0623\u0646 \u0643\u0644\u0627 \u0627\u0644\u0642\u0637\u0628\u064a\u0646 \u0645\u062d\u0645\u064a\u061f<\/h3>\n<p>\u0644\u0627\u060c \u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0648\u062d\u062f\u0647\u0627 \u0644\u0627 \u064a\u062d\u062f\u062f \u0643\u064a\u0641\u064a\u0629 \u062d\u0645\u0627\u064a\u0629 \u0643\u0644 \u0642\u0637\u0628. \u0627\u0637\u0644\u0628 \u0648\u0631\u0642\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0637\u0631\u0627\u0632 \u0627\u0644\u0645\u062d\u062f\u062f \u0648\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0623\u0633\u0644\u0627\u0643\u060c \u062b\u0645 \u0642\u0627\u0631\u0646\u0647\u0627 \u0628\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062f\u0627\u0626\u0631\u0629.<\/p>\n<h3>\u0647\u0644 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 (MCB) \u0627\u0644\u0645\u062e\u0635\u0635 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0646\u0627\u0648\u0628 (AC) \u0641\u064a \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (DC)\u061f<\/h3>\n<p>\u0641\u0642\u0637 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u062c\u0647\u0627\u0632 \u0627\u0644\u0645\u0630\u0643\u0648\u0631 \u0645\u0635\u0646\u0641\u0627\u064b \u0648\u0645\u0648\u062b\u0642\u0627\u064b \u0635\u0631\u0627\u062d\u0629\u064b \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0628\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 (DC) \u0627\u0644\u0645\u0642\u0635\u0648\u062f. \u064a\u062a\u0646\u0627\u0648\u0644 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 IEC 60898-2 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629 \u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f\/\u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0623\u062d\u0627\u062f\u064a\u0629 \u0648\u062b\u0646\u0627\u0626\u064a\u0629 \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0645\u0624\u0647\u0644\u0629\u060c \u0644\u0643\u0646\u0647 \u0644\u0627 \u064a\u062c\u0639\u0644 \u0643\u0644 \u0642\u0627\u0637\u0639 \u062f\u0648\u0631\u0629 \u0645\u0635\u063a\u0631 (MCB) \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0645\u0646\u0627\u0633\u0628\u0627\u064b \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631.<\/p>\n<h3>\u0645\u0627 \u0647\u064a \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0639\u0644\u0649 \u0645\u0635\u0646\u0639 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0645\u0631\u0627\u062c\u0639\u062a\u0647\u0627 \u0639\u0646\u062f \u0637\u0644\u0628 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 (MCB)\u061f<\/h3>\n<p>\u0627\u0628\u062f\u0623 \u0628\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0630\u0643\u0648\u0631\u0629 \u0641\u064a \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0634\u0631\u0648\u0639. \u064a\u063a\u0637\u064a \u0627\u0644\u0645\u0639\u064a\u0627\u0631 IEC 60898-1 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0630\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a \u0627\u0644\u0645\u0646\u0632\u0644\u064a\u0629 \u0648\u0645\u0627 \u0634\u0627\u0628\u0647\u0647\u0627 \u0636\u0645\u0646 \u0646\u0637\u0627\u0642\u0647\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u0645\u062b\u0644 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 IEC 60947-2 \u0633\u064a\u0627\u0642\u0627\u064b \u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0647\u062f \u0644\u0644\u0623\u0634\u062e\u0627\u0635 \u0627\u0644\u0645\u0624\u0647\u0644\u064a\u0646 \u0623\u0648 \u0630\u0648\u064a \u0627\u0644\u062e\u0628\u0631\u0629. \u0648\u062a\u062d\u062f\u062f \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0645\u062e\u062a\u0627\u0631 \u0627\u0644\u0623\u0633\u0627\u0633 \u0627\u0644\u0646\u0647\u0627\u0626\u064a.<\/p>\n<h3>\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u062a\u0636\u0645\u064a\u0646\u0647 \u0641\u064a \u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0623\u0633\u0639\u0627\u0631 (RFQ) \u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631\u0629 (MCB)\u061f<\/h3>\n<p>\u0642\u0645 \u062a\u0636\u0645\u064a\u0646 \u0627\u0644\u0645\u062e\u0637\u0637 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u062e\u0637\u060c \u0648\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062a\u063a\u0630\u064a\u0629 \u0648\u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0648\u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u062f \u062a\u0628\u062f\u064a\u0644\u0647\u0627\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0627\u0644\u0645\u062d\u0645\u064a\u0629\u060c \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0623\u0648 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0648\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0637\u0628\u0642\u060c \u0648\u062f\u0644\u064a\u0644 \u0627\u0644\u0637\u0631\u0627\u0632 \u0627\u0644\u0645\u062d\u062f\u062f \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u060c \u0648\u0642\u064a\u0648\u062f \u0627\u0644\u0644\u0648\u062d\u0629\u060c \u0648\u0623\u064a \u0637\u0644\u0628 \u0644\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0623\u0648 \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u0627\u0644\u062a\u063a\u0644\u064a\u0641.<\/p>\n<h3>\u0645\u062a\u0649 \u0644\u0627 \u064a\u0643\u0648\u0646 \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0643\u0627\u0641\u064a\u0627\u064b \u0644\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u061f<\/h3>\n<p>\u0644\u0627 \u064a\u0643\u0641\u064a \u0630\u0644\u0643 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u062a\u0646\u0633\u064a\u0642\u0627\u064b \u0646\u0647\u0627\u0626\u064a\u0627\u064b\u060c \u0623\u0648 \u062a\u0641\u0633\u064a\u0631\u0627\u064b \u0644\u0644\u0642\u0648\u0627\u0646\u064a\u0646 \u0627\u0644\u0645\u062d\u0644\u064a\u0629\u060c \u0623\u0648 \u062a\u0648\u062c\u064a\u0647\u0627\u064b \u0644\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631\u060c \u0623\u0648 \u0645\u0648\u0627\u0641\u0642\u0629 \u062e\u0627\u0635\u0629 \u0628\u0646\u0645\u0648\u0630\u062c \u0645\u0639\u064a\u0646. \u062a\u062a\u0637\u0644\u0628 \u062a\u0644\u0643 \u0627\u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0641\u0639\u0644\u064a\u0629\u060c \u0648\u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0645\u062d\u0644\u064a\u0629\u060c \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062e\u062a\u0627\u0631.<\/p>\n<h2 id=\"references\">\u0627\u0644\u0645\u0631\u0627\u062c\u0639<\/h2>\n<ul>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66269\" rel=\"nofollow noopener\" target=\"_blank\">\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0629 IEC 60898-1:2015+AMD1:2019 \u2014 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a \u0627\u0644\u0645\u0646\u0632\u0644\u064a\u0629 \u0648\u0645\u0627 \u0634\u0627\u0628\u0647\u0647\u0627 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f<\/a><\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/25675\" rel=\"nofollow noopener\" target=\"_blank\">\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 IEC 60898-2:2016 - \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629 \u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0630\u0627\u062a \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0648\u0627\u062d\u062f \u0648\u0627\u0644\u0642\u0637\u0628\u064a\u0646 \u0627\u0644\u0639\u0627\u0645\u0644\u0629 \u0628\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f\/\u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0645\u0624\u0647\u0644\u0629<\/a><\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66277\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60947-2:2024 \u2014 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0647\u062f<\/a><\/li>\n<li><a href=\"https:\/\/electronics.stackexchange.com\/questions\/392871\/when-to-use-a-2-pole-circuit-breaker-over-1-pole\" rel=\"nofollow noopener\" target=\"_blank\">\u0646\u0642\u0627\u0634 \u0645\u0646\u0635\u0629 \u062a\u0628\u0627\u062f\u0644 \u0627\u0644\u0645\u0639\u0631\u0641\u0629 \u0644\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a (Electronics Stack Exchange) \u062d\u0648\u0644 \u0623\u0633\u0626\u0644\u0629 1P \u0648 1P+N \u0648\u0627\u0644\u0639\u0632\u0644<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>For panel builders, the choice between a single-pole and double-pole MCB starts with the conductors the circuit must disconnect and protect\u2014not with panel width or a familiar label. A 1P device addresses one pole; a 2P device has two linked poles. Check whether the selected product switches, protects, or both switches and protects each conductor, [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":3357,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"acf":[],"_links":{"self":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/3352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/comments?post=3352"}],"version-history":[{"count":4,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/3352\/revisions"}],"predecessor-version":[{"id":3359,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/3352\/revisions\/3359"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/media\/3357"}],"wp:attachment":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/media?parent=3352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/categories?post=3352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/tags?post=3352"}],"curies":[{"name":"\u0644\u0639\u0628 \u062c\u064a\u062f\u0629","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}