{"id":3422,"date":"2026-03-25T14:19:00","date_gmt":"2026-03-25T06:19:00","guid":{"rendered":"https:\/\/www.tosunlux.eu\/?p=3422"},"modified":"2026-03-28T17:01:06","modified_gmt":"2026-03-28T09:01:06","slug":"how-to-select-the-motor-protection-circuit-breaker","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/","title":{"rendered":"\u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u062a\u0635\u0646\u064a\u0641 MPCB \u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u061f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u062a\u0628\u062f\u064a\u0644 \u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u0649\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u062a\u0628\u062f\u064a\u0644<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/#What_Is_a_Motor_Protection_Circuit_Breaker\" title=\"\u0645\u0627 \u0647\u0648 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u061f\">\u0645\u0627 \u0647\u0648 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u061f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/#Step-by-Step_How_to_Select_the_Right_MPCB_Rating\" title=\"Step-by-Step: How to Select the Right MPCB Rating\">Step-by-Step: How to Select the Right MPCB Rating<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/#Key_Features_Motor_Overload_Protection\" title=\"\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629: \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\">\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629: \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/#Example\" title=\"\u0645\u062b\u0627\u0644:\">\u0645\u062b\u0627\u0644:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/#How_to_Select_the_Right_Motor_Protection_Circuit_Breaker\" title=\"\u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u061f\">\u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/#Common_Mistakes_When_Choosing_an_MPCB\" title=\"Common Mistakes When Choosing an MPCB\">Common Mistakes When Choosing an MPCB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/#Conclusion\" title=\"\u062e\u0627\u062a\u0645\u0629\">\u062e\u0627\u062a\u0645\u0629<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>MPCB selection should start with the motor nameplate, not with the breaker catalog.<\/p>\n\n\n\n<p>To choose the correct motor protection circuit breaker, buyers should first confirm the motor rated current, voltage, starting method, and installation conditions. The selected MPCB must protect the motor against overload, short circuit, and phase loss without causing unnecessary tripping during startup.<\/p>\n\n\n\n<p>This guide explains the practical selection logic for industrial buyers, panel builders, and distributors.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_a_Motor_Protection_Circuit_Breaker\"><\/span>\u0645\u0627 \u0647\u0648 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0623 <a href=\"https:\/\/www.tosunlux.eu\/ar\/motor-protection-circuit-breaker\/\">\u0642\u0648\u0627\u0637\u0639 \u062f\u0648\u0627\u0626\u0631 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643<\/a> (MPCB) \u0647\u0648 \u062c\u0647\u0627\u0632 \u0645\u0635\u0645\u0645 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u0644\u0641\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f. \u064a\u0642\u0648\u0645 \u0647\u0630\u0627 \u0627\u0644\u062c\u0647\u0627\u0632 \u0628\u0642\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0641\u064a \u062d\u0627\u0644\u0627\u062a \u062d\u062f\u0648\u062b \u0645\u0634\u0627\u0643\u0644 \u0645\u062b\u0644 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u060c \u0623\u0648 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0623\u0648 \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0637\u0648\u0631 \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step-by-Step_How_to_Select_the_Right_MPCB_Rating\"><\/span>Step-by-Step: How to Select the Right MPCB Rating<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Start with the motor rated current shown on the nameplate. The MPCB adjustment range should cover the motor&#8217;s full-load current so that the protection setting can be matched to the actual operating condition.<\/p>\n\n\n\n<p>Next, review the motor starting condition. Direct-on-line starting, heavy-load startup, and frequent starts may affect the practical selection, especially if the breaker is set too close to the operating current.<\/p>\n\n\n\n<p>Then confirm the system voltage, short-circuit level, and installation environment. Temperature, enclosure condition, and panel layout can all influence the final choice. The goal is not only to match the current range, but to ensure stable operation with the required protection performance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Features_Motor_Overload_Protection\"><\/span>\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629: \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u062a\u0648\u0641\u064a\u0631 \u0627\u0644\u0645\u0633\u0627\u062d\u0629<\/strong>:\u062a\u0639\u062a\u0628\u0631 \u0623\u062c\u0647\u0632\u0629 MPCB \u0645\u062f\u0645\u062c\u0629\u060c \u0648\u062a\u0648\u0641\u0631 \u062d\u0645\u0627\u064a\u0629 \u0628\u062f\u0648\u0646 \u0641\u062a\u064a\u0644 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0625\u064a\u0642\u0627\u0641 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0637\u0627\u0642\u0629 \u0639\u0644\u0649 \u0627\u0644\u0641\u0648\u0631 \u0623\u062b\u0646\u0627\u0621 \u062d\u062f\u0648\u062b \u0645\u0627\u0633 \u0643\u0647\u0631\u0628\u0627\u0626\u064a.<\/li>\n\n\n\n<li><strong>\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062d\u0645\u0648\u0644\u0629<\/strong>:\u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0634\u0631\u064a\u0637 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0645\u0639\u062f\u0646 \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0639\u062f\u064a\u0644 \u064a\u0645\u0646\u0639 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0641\u0635\u0644 \u0627\u0644\u0637\u0627\u0642\u0629 \u0625\u0630\u0627 \u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u0622\u0645\u0646\u0629. \u064a\u0645\u0643\u0646 \u0636\u0628\u0637 \u0647\u0630\u0627 \u0627\u0644\u0634\u0631\u064a\u0637 \u0628\u064a\u0646 40% \u0648100% \u0645\u0646 \u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062d\u0631\u0643. <a href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/a-guide-to-maximum-current-rating-of-distribution-boards\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u062f\u0631<\/a>.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0648\u0638\u0627\u0626\u0641 \u0627\u0644\u062a\u0644\u0642\u0627\u0626\u064a\u0629<\/strong>:\u064a\u0645\u0643\u0646 \u0625\u0639\u0627\u062f\u0629 \u062a\u0648\u0635\u064a\u0644 \u0628\u0639\u0636 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 MPCB \u062a\u0644\u0642\u0627\u0626\u064a\u064b\u0627 \u0628\u0645\u062c\u0631\u062f \u0623\u0646 \u064a\u0628\u0631\u062f \u0627\u0644\u0645\u062d\u0631\u0643.<\/li>\n\n\n\n<li><strong>\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629<\/strong>:\u0645\u062b\u0627\u0644\u064a \u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u062d\u0645\u0627\u064a\u0629 \u0645\u0648\u062b\u0648\u0642\u0629 \u0644\u0644\u0645\u062d\u0631\u0643 \u0648\u064a\u0639\u0632\u0632 \u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u062d\u0631\u0643 \u0648\u0633\u0644\u0627\u0645\u062a\u0647.<\/li>\n\n\n\n<li><strong>\u062c\u0647\u0629 \u0627\u062a\u0635\u0627\u0644 \u0645\u0633\u0627\u0639\u062f\u0629<\/strong>:\u062a\u064f\u0639\u062f\u0651 \u0646\u0642\u0627\u0637 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u0627\u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0645\u0643\u0648\u0646\u0627\u062a \u0623\u0633\u0627\u0633\u064a\u0629 \u062a\u064f\u062d\u0633\u0651\u0646 \u0648\u0638\u0627\u0626\u0641 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0645\u0631\u0627\u062d\u0644 (MPCBs). \u064a\u064f\u0645\u0643\u0646 \u062a\u0631\u0643\u064a\u0628\u0647\u0627 \u062c\u0627\u0646\u0628\u064a\u064b\u0627 \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u0635\u0644\u0627\u062a \u0644\u0648\u0644\u0628\u064a\u0629 \u0644\u062a\u062d\u0633\u064a\u0646 \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example\"><\/span>\u0645\u062b\u0627\u0644:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u064f\u0635\u0646\u0651\u0641\u064b\u0627 \u0628\u0640 \u0661\u0660 \u0623\u0645\u0628\u064a\u0631\u060c \u0641\u064a\u062c\u0628 \u0636\u0628\u0637 MPCB \u0644\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u062a\u064a\u0627\u0631 \u0623\u0639\u0644\u0649 \u0628\u0642\u0644\u064a\u0644\u060c \u0645\u062b\u0644 \u0661\u0662 \u0623\u0645\u0628\u064a\u0631\u060c \u0644\u0636\u0645\u0627\u0646 \u0642\u062f\u0631\u062a\u0647 \u0639\u0644\u0649 \u0625\u062f\u0627\u0631\u0629 \u062a\u064a\u0627\u0631\u0627\u062a \u0628\u062f\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u062f\u0648\u0646 \u0627\u0646\u0642\u0637\u0627\u0639. \u064a\u0648\u0641\u0631 \u0647\u0630\u0627 \u0627\u0644\u0625\u0639\u062f\u0627\u062f \u0623\u064a\u0636\u064b\u0627 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0623\u0633\u0627\u0633\u064a\u0629 <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.tosunlux.eu\/ar\/thermal-overload-relay\/\">\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0636\u062f \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u0629<\/a> \u0648\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0642\u0635\u064a\u0631\u0629\u060c \u0648\u0647\u0648 \u0623\u0645\u0631 \u062d\u064a\u0648\u064a \u0644\u062a\u0644\u0628\u064a\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629.<\/p>\n\n\n\n<p>\u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062c\u0647\u0627\u0632 MPCB\u060c \u062a\u0636\u0645\u0646 \u062a\u0634\u063a\u064a\u0644 \u0645\u062d\u0631\u0643\u0643 \u0628\u0623\u0645\u0627\u0646\u060c \u0648\u062a\u062c\u0646\u0628 \u0641\u062a\u0631\u0627\u062a \u0627\u0644\u062a\u0648\u0642\u0641 \u0627\u0644\u0645\u0643\u0644\u0641\u0629\u060c \u0648\u062a\u0632\u064a\u062f \u0645\u0646 \u0643\u0641\u0627\u0621\u062a\u0647 \u0648\u0639\u0645\u0631\u0647 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a. \u062a\u0630\u0643\u0631 \u0623\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u062c\u0647\u0627\u0632 MPCB \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0623\u0645\u0631 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u062d\u0631\u0643\u0643 \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0623\u062f\u0627\u0626\u0647 \u0627\u0644\u0623\u0645\u062b\u0644.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Select_the_Right_Motor_Protection_Circuit_Breaker\"><\/span>\u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u064a\u064f\u0639\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0636\u0645\u0627\u0646 \u0633\u0644\u0627\u0645\u0629 \u0648\u0643\u0641\u0627\u0621\u0629 \u0645\u062d\u0631\u0643\u0627\u062a\u0643. \u0625\u0644\u064a\u0643 \u062f\u0644\u064a\u0644 \u0628\u0633\u064a\u0637 \u0644\u0645\u0633\u0627\u0639\u062f\u062a\u0643 \u0641\u064a \u0627\u062a\u062e\u0627\u0630 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0635\u062d\u064a\u062d:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u062a\u062d\u062f\u064a\u062f \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643<\/strong>\u0627\u0628\u062f\u0623 \u0628\u0641\u062d\u0635 \u0644\u0648\u062d\u0629 \u0627\u0633\u0645 \u0627\u0644\u0645\u062d\u0631\u0643 \u0644\u0645\u0639\u0631\u0641\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0648\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0646\u0646\u064a\u0646 \u0644\u0647. \u0647\u0630\u0647 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u0645\u0646\u0627\u0633\u0628.<\/li>\n\n\n\n<li><strong>\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629<\/strong>\u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u062d\u0645\u0644 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0623\u0642\u0635\u0649 \u062a\u064a\u0627\u0631 \u0644\u0644\u0645\u062d\u0631\u0643. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0646\u0646 \u0644\u0645\u062d\u0631\u0643\u0643 10 \u0623\u0645\u0628\u064a\u0631\u060c \u0641\u0627\u062e\u062a\u0631 <a href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/the-interrupt-capacity-of-circuit-breakers\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u0628\u0633\u0639\u0629<\/a> \u0623\u0639\u0644\u0649 \u0642\u0644\u064a\u0644\u0627\u064b\u060c \u0645\u062b\u0644 12 \u0623\u0645\u0628\u064a\u0631\u060c \u0644\u0636\u0645\u0627\u0646 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0622\u0645\u0646.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0642\u062f\u0631\u0629 \u0627\u0644\u062a\u062d\u0645\u0644<\/strong>: \u0647\u0630\u0647 \u0647\u064a \u0642\u062f\u0631\u0629 \u0627\u0644\u0642\u0627\u0637\u0639 \u0639\u0644\u0649 \u062a\u062d\u0645\u0644 \u062a\u064a\u0627\u0631 \u0639\u0627\u0644\u064d \u0644\u0641\u062a\u0631\u0629 \u0642\u0635\u064a\u0631\u0629. \u0625\u0630\u0627 \u0643\u0627\u0646 \u062a\u064a\u0627\u0631 \u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0645\u062d\u0631\u0643\u0643 \u0663\u0660 \u0623\u0645\u0628\u064a\u0631\u060c \u0641\u062a\u0623\u0643\u062f \u0645\u0646 \u0642\u062f\u0631\u0629 \u0627\u0644\u0642\u0627\u0637\u0639 \u0639\u0644\u0649 \u062a\u062d\u0645\u0644 \u0647\u0630\u0627 \u0627\u0644\u062a\u064a\u0627\u0631 \u062f\u0648\u0646 \u0627\u0646\u0642\u0637\u0627\u0639.<\/li>\n\n\n\n<li><strong>\u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0648\u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629<\/strong>\u0627\u0628\u062d\u062b \u0639\u0646 \u0642\u0648\u0627\u0637\u0639 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0645\u0632\u0648\u062f\u0629 \u0628\u062e\u0627\u0635\u064a\u0629 \u0627\u0644\u062a\u062d\u0631\u064a\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0648\u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a. \u062a\u0648\u0641\u0631 \u0647\u0630\u0647 \u0627\u0644\u0642\u0648\u0627\u0637\u0639 \u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \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\u060c \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0644\u064a.<\/li>\n\n\n\n<li><strong>\u062a\u0642\u064a\u064a\u0645 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062c\u0647\u062f<\/strong>\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u062a\u0635\u0646\u064a\u0641 \u062c\u0647\u062f \u0627\u0644\u0642\u0627\u0637\u0639 \u064a\u0637\u0627\u0628\u0642 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0645\u062d\u0631\u0643\u0643 \u0623\u0648 \u064a\u062a\u062c\u0627\u0648\u0632\u0647\u0627. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0645\u062d\u0631\u0643\u0643 \u064a\u0639\u0645\u0644 \u0628\u062c\u0647\u062f 400 \u0641\u0648\u0644\u062a\u060c \u0641\u0627\u062e\u062a\u0631 \u0642\u0627\u0637\u0639\u064b\u0627 \u0628\u062c\u0647\u062f \u0644\u0627 \u064a\u0642\u0644 \u0639\u0646 400 \u0641\u0648\u0644\u062a. \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0623\u0647\u0645\u064a\u0629 \u062a\u062d\u0631\u064a\u0631 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0645\u0646 <a href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/what-are-low-voltage-systems\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u062c\u0647\u062f \u0645\u0646\u062e\u0641\u0636<\/a> \u0634\u0631\u0648\u0637.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0646\u0638\u0631 \u0641\u064a \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0641\u0631\u0639\u064a\u0629<\/strong>:\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0641\u0631\u0639\u064a\u0629 \u0644\u062a\u0648\u0641\u064a\u0631 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u062b\u0644 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f\u060c \u0648\u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629\u060c \u0648 <a href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/ground-fault-vs-short-circuit\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u062e\u0637\u0623 \u0623\u0631\u0636\u064a<\/a> \u0627\u0644\u062d\u0645\u0627\u064a\u0629. \u0648\u0647\u0630\u0627 \u064a\u0636\u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0644\u0642\u0648\u0627\u0646\u064a\u0646 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629.<\/li>\n\n\n\n<li><strong>\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629<\/strong>: \u0627\u0646\u062a\u0628\u0647 \u0644\u0645\u0643\u0627\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u062d\u0631\u0643. \u0625\u0630\u0627 \u0643\u0627\u0646 \u0641\u064a \u0628\u064a\u0626\u0629 \u0642\u0627\u0633\u064a\u0629\u060c \u0641\u0627\u062e\u062a\u0631 \u0642\u0627\u0637\u0639\u064b\u0627 \u0645\u0635\u0645\u0645\u064b\u0627 \u0644\u062a\u062d\u0645\u0644 \u0638\u0631\u0648\u0641\u064b\u0627 \u0645\u062b\u0644 \u0627\u0644\u063a\u0628\u0627\u0631 \u0623\u0648 \u0627\u0644\u0631\u0637\u0648\u0628\u0629. \u062a\u0623\u0643\u062f \u0623\u064a\u0636\u064b\u0627 \u0645\u0646 \u062a\u063a\u0637\u064a\u0629 \u0627\u0644\u0623\u0637\u0631\u0627\u0641 \u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0644\u062a\u0648\u0641\u064a\u0631 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u0627\u0644\u0645\u0628\u0627\u0634\u0631.<\/li>\n\n\n\n<li><strong>\u062f\u0648\u0631 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0631\u0643\u0628\u0629<\/strong>:\u062a\u0639\u0631\u0651\u0641 \u0639\u0644\u0649 \u062f\u0648\u0631 \u0648\u062d\u062f\u0627\u062a \u062a\u062d\u0643\u0645 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0641\u064a \u062a\u0648\u0641\u064a\u0631 \u062d\u0645\u0627\u064a\u0629 \u0634\u0627\u0645\u0644\u0629 \u0644\u0644\u0645\u062d\u0631\u0643. \u062a\u0648\u0641\u0631 \u0647\u0630\u0647 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0648\u0633\u0627\u0626\u0644 \u0641\u0635\u0644\u060c \u0648\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0648\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f \u0644\u0644\u0645\u062d\u0631\u0643. \u062a\u0639\u0631\u0651\u0641 \u0639\u0644\u0649 \u0623\u0646\u0648\u0627\u0639 \u0645\u062b\u0644 \u0627\u0644\u0646\u0648\u0639 E \u0648\u0627\u0644\u0646\u0648\u0639 F\u060c \u0648\u0645\u062f\u0649 \u062a\u0648\u0627\u0641\u0642\u0647\u0627 \u0645\u0639 \u0627\u0644\u0642\u0648\u0627\u0646\u064a\u0646 \u0648\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629.<\/li>\n<\/ol>\n\n\n\n<p>\u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u062a\u0628\u0627\u0639 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629\u060c \u064a\u0645\u0643\u0646\u0643 \u0627\u062e\u062a\u064a\u0627\u0631 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0627\u0644\u0630\u064a \u064a\u0648\u0641\u0631 \u062d\u0645\u0627\u064a\u0629 \u0645\u0648\u062b\u0648\u0642\u0629 \u0644\u0644\u0645\u062d\u0631\u0643\u060c \u0648\u064a\u0639\u0632\u0632 \u0627\u0644\u0623\u062f\u0627\u0621\u060c \u0648\u064a\u0636\u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u0639\u0645\u0644 \u0628\u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes_When_Choosing_an_MPCB\"><\/span>Common Mistakes When Choosing an MPCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A common mistake is selecting the breaker only by motor kilowatt value without checking the actual rated current on the motor nameplate.<\/p>\n\n\n\n<p>Another mistake is ignoring startup behavior. If the setting is too low, nuisance tripping may occur during motor startup. If the setting is too high, the motor may not be adequately protected under overload conditions.<\/p>\n\n\n\n<p>Buyers should also confirm coordination with contactors, overload relays, and the rest of the motor starter design instead of selecting the MPCB as a standalone component.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u062e\u0627\u062a\u0645\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u062a\u0642\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u062f\u0644\u064a\u0644\u0627\u064b \u0634\u0627\u0645\u0644\u0627\u064b \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 (MPCB) \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0644\u062a\u0639\u0632\u064a\u0632 \u0633\u0644\u0627\u0645\u0629 \u0648\u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u0639\u0645\u0644 \u0628\u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a. \u0648\u062a\u064f\u0628\u0631\u0632 \u0623\u0647\u0645\u064a\u0629 \u0641\u0647\u0645 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643\u060c \u0648\u062a\u062d\u062f\u064a\u062f \u0633\u0639\u0629 \u0627\u0644\u062a\u064a\u0627\u0631\u060c \u0648\u0645\u0631\u0627\u0639\u0627\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0648\u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629. \u0643\u0645\u0627 \u062a\u064f\u0631\u0643\u0632 \u0639\u0644\u0649 \u062a\u0642\u064a\u064a\u0645 \u0642\u062f\u0631\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0648\u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629.<\/p>\n\n\n\n<p>\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0648\u062b\u0648\u0642\u0629 \u0644\u0644\u0645\u062d\u0631\u0643 \u0648\u0623\u062f\u0627\u0621 \u0645\u062b\u0627\u0644\u064a\u060c \u0627\u062e\u062a\u0631 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0629 (MPCB) \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0644\u062a\u0648\u0641\u064a\u0631 \u062d\u0645\u0627\u064a\u0629 \u0645\u0648\u062b\u0648\u0642\u0629 \u0644\u0644\u0645\u062d\u0631\u0643\u060c \u0648\u062d\u0645\u0627\u064a\u062a\u0647 \u0645\u0646 \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.<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/top-china-circuit-breaker-manufacturers\/\">\u0642\u0648\u0627\u0637\u0639 \u062f\u0648\u0627\u0626\u0631 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/a>\u060c \u0627\u062a\u0635\u0627\u0644 <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.tosunlux.eu\/ar\">TOSUNlux<\/a>\u060c \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u0629\u060c \u0644\u0636\u0645\u0627\u0646 \u062d\u0645\u0627\u064a\u0629 \u0645\u062d\u0631\u0643\u0627\u062a\u0643 \u0628\u0634\u0643\u0644 \u062c\u064a\u062f \u0648\u0643\u0641\u0627\u0621\u062a\u0647\u0627.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a \u0647\u0648 \u062c\u0647\u0627\u0632 \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0623\u0634\u064a\u0627\u0621 \u0648\u0623\u062a\u0645\u062a\u0629 \u062a\u0643\u062f\u064a\u0633\u0647\u0627 \u0648\u062a\u062e\u0632\u064a\u0646\u0647\u0627. \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0635\u064a\u062f\u0644\u0627\u0646\u064a\u0629 \u060c \u062a\u0633\u0627\u0639\u062f \u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629 \u0641\u064a \u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0648\u0635\u0641\u0627\u062a \u0627\u0644\u0637\u0628\u064a\u0629 \u0648\u0631\u0628\u0637\u0647\u0627 \u0648\u0645\u0646\u0639 \u0627\u0644\u0623\u062e\u0637\u0627\u0621.\u00a0<\/p>","protected":false},"author":5,"featured_media":5654,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-3422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Select the Mpcb Rating for Motor Protection Circuit Breaker? TOSUNlux Official Site<\/title>\n<meta name=\"description\" content=\"If you want to select a motor protection circuit breaker, first, you have to determine the total nameplate rated current for your motors.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tosunlux.eu\/ar\/blog\/how-to-select-the-motor-protection-circuit-breaker\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Select the Mpcb Rating for Motor Protection Circuit Breaker? 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