{"id":608,"date":"2022-02-08T15:52:25","date_gmt":"2022-02-08T07:52:25","guid":{"rendered":"http:\/\/www.tosunlux.eu\/?p=608"},"modified":"2022-06-09T15:12:46","modified_gmt":"2022-06-09T07:12:46","slug":"what-is-a-molded-case-circuit-breaker-mccb","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/fr\/blog\/what-is-a-molded-case-circuit-breaker-mccb\/","title":{"rendered":"Qu&#039;est-ce qu&#039;un disjoncteur \u00e0 bo\u00eetier moul\u00e9 (MCCB)\u00a0?"},"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\" >Table des mati\u00e8res<\/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=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/what-is-a-molded-case-circuit-breaker-mccb\/#What_Is_A_Molded_Case_Circuit_Breaker\" title=\"Qu&#039;est-ce qu&#039;un disjoncteur \u00e0 bo\u00eetier moul\u00e9\u00a0?\">Qu&#039;est-ce qu&#039;un disjoncteur \u00e0 bo\u00eetier moul\u00e9\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/what-is-a-molded-case-circuit-breaker-mccb\/#The_Operating_Mechanism_of_MCCB\" title=\"Le m\u00e9canisme de fonctionnement du MCCB\">Le m\u00e9canisme de fonctionnement du MCCB<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>UN<a href=\"https:\/\/www.tosunlux.eu\/fr\/category\/mccb\/\" target=\"_blank\" rel=\"noreferrer noopener\"> <strong><em>disjoncteur bo\u00eetier moul\u00e9<\/em><\/strong><em><strong> <\/strong><\/em><\/a>est une forme de dispositif de protection \u00e9lectrique utilis\u00e9 dans les syst\u00e8mes photovolta\u00efques \u00e0 grande \u00e9chelle. Il prot\u00e8ge contre les surcharges et les courts-circuits, et ses param\u00e8tres de d\u00e9clenchement r\u00e9glables lui permettent de fonctionner dans une vari\u00e9t\u00e9 de tensions et de fr\u00e9quences.\u00a0<\/p>\n\n\n\n<p>Pour ces raisons, il est devenu l&#039;un des types de disjoncteurs les plus populaires. Cependant, quelques caract\u00e9ristiques distinguent ce type de disjoncteur des autres types.<\/p>\n\n\n\n<p>Un disjoncteur \u00e0 bo\u00eetier moul\u00e9 est un appareil avec un cadre moul\u00e9, qui est un mat\u00e9riau sp\u00e9cialis\u00e9 utilis\u00e9 pour fournir un bo\u00eetier isol\u00e9 pour l&#039;appareil \u00e9lectrique. La fonction de base d&#039;un disjoncteur \u00e0 bo\u00eetier moul\u00e9 est d&#039;\u00e9teindre et de rallumer un circuit en toute s\u00e9curit\u00e9. Ils sont \u00e9galement souvent utilis\u00e9s pour la protection contre les surcharges dans les applications \u00e0 courant \u00e9lev\u00e9.&nbsp;<\/p>\n\n\n\n<p>Si vous voulez en savoir plus sur un disjoncteur \u00e0 bo\u00eetier moul\u00e9 (MCCB), continuez \u00e0 lire cet article.&nbsp;<\/p>\n\n\n\n<h3 class=\"has-medium-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_A_Molded_Case_Circuit_Breaker\"><\/span><strong>Qu&#039;est-ce qu&#039;un disjoncteur \u00e0 bo\u00eetier moul\u00e9\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Si vous recherchez le meilleur disjoncteur pour votre application, vous vous demandez peut-\u00eatre ce qu&#039;est un bo\u00eetier moul\u00e9. Ces disjoncteurs peuvent g\u00e9rer des courants \u00e9lev\u00e9s. Ils sont fabriqu\u00e9s \u00e0 partir d&#039;un mat\u00e9riau sp\u00e9cial et sont incroyablement durables. Cependant, la chose la plus importante \u00e0 savoir avant de choisir un disjoncteur est sa capacit\u00e9 d&#039;interruption. Cette valeur doit \u00eatre sup\u00e9rieure au courant de d\u00e9faut qui sera tir\u00e9 du circuit.<\/p>\n\n\n\n<p>Les disjoncteurs \u00e0 bo\u00eetier moul\u00e9 Square D \u00e0 ch\u00e2ssis B sont des interrupteurs \u00e0 courant \u00e9lev\u00e9. Ils interrompent les flux de courant excessifs pour prot\u00e9ger les appareils contre les dommages dus \u00e0 un flux de courant excessif. Ils sont souvent utilis\u00e9s dans les panneaux de contr\u00f4le industriels et les applications OEM commerciales. Ces disjoncteurs \u00e0 bo\u00eetier moul\u00e9 contiennent des pi\u00e8ces conductrices de courant, des m\u00e9canismes et des d\u00e9clencheurs. Ces disjoncteurs sont un bon choix pour les applications o\u00f9 une protection contre les surintensit\u00e9s est n\u00e9cessaire.<\/p>\n\n\n\n<p>Un autre type de disjoncteur \u00e0 bo\u00eetier moul\u00e9 est le MCP. Ce type est utilis\u00e9 dans les d\u00e9marreurs de moteur. Ils ont la m\u00eame fonction de base que les disjoncteurs MCP mais ne sont pas homologu\u00e9s UL. Il a des capacit\u00e9s de d\u00e9tection de surcharge mais n&#039;est utilis\u00e9 que dans les ensembles de d\u00e9marrage de moteur.&nbsp;<\/p>\n\n\n\n<p>Regarder la vid\u00e9o plus clairement<\/p>\n\n\n\n<iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/yzXROOX2LfI\" title=\"Lecteur vid\u00e9o YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe>\n\n\n\n<h3 class=\"has-medium-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Operating_Mechanism_of_MCCB\"><\/span><strong>Le m\u00e9canisme de fonctionnement du MCCB<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Les MCCB (Moulded Case Circuit Breakers) sont des dispositifs \u00e9lectriques automatiques qui prot\u00e8gent contre les surcharges et les courts-circuits. La fonction de base d&#039;un MCCB est d&#039;ouvrir automatiquement un circuit si le courant d\u00e9passe la valeur nominale normale. Dans certains cas, le disjoncteur peut se d\u00e9clencher automatiquement si le courant reste excessif pendant une p\u00e9riode prolong\u00e9e. Il est important de comprendre le bon dimensionnement de votre MCCB avant de l&#039;installer.<\/p>\n\n\n\n<p>L&#039;une des caract\u00e9ristiques les plus importantes d&#039;un disjoncteur bo\u00eetier moul\u00e9 est son bo\u00eetier isolant. Ils sont g\u00e9n\u00e9ralement fabriqu\u00e9s \u00e0 partir d&#039;une r\u00e9sine composite thermodurcissable ou d&#039;un mat\u00e9riau verre-polyester. Ce type de mat\u00e9riau offre une robustesse et une rigidit\u00e9 di\u00e9lectrique \u00e9lev\u00e9e. Diff\u00e9rents types de bo\u00eetiers moul\u00e9s sont nomm\u00e9s en fonction de leurs caract\u00e9ristiques. Par exemple, les disjoncteurs de type Z ont des seuils plus bas et sont utilis\u00e9s dans les installations \u00e9lectriques qui peuvent avoir des appareils sensibles.<\/p>\n\n\n\n<p>En plus du courant nominal, ces disjoncteurs disposent \u00e9galement de param\u00e8tres de d\u00e9clenchement r\u00e9glables. Vous pouvez choisir entre des disjoncteurs \u00e0 d\u00e9clenchement statique et \u00e9lectronique en fonction des fonctionnalit\u00e9s souhait\u00e9es. Les disjoncteurs \u00e0 d\u00e9clenchement par microprocesseur sont encore plus polyvalents et peuvent \u00eatre r\u00e9gl\u00e9s sur un nombre de niveaux sup\u00e9rieur ou inf\u00e9rieur. Ils peuvent \u00eatre adapt\u00e9s aux charges et aux environnements changeants. Ils permettent \u00e9galement une extension future de la capacit\u00e9 de charge.<\/p>","protected":false},"excerpt":{"rendered":"<p>A molded case circuit breaker is a form of electrical protection device used in large-scale PV systems. It protects against overload and short circuits, and its adjustable trip settings allow it to work in a variety of voltages and frequencies.\u00a0 For these reasons, it has become one of the most popular types of circuit breakers. However, a few characteristics set this type of circuit breaker apart from other types. A molded case circuit breaker is a device with a molded frame, which is a specialized material used to provide insulated housing for the electrical device. The basic function of a molded case circuit breaker is to safely switch a circuit off and on. They are also often used for overload protection in high-current applications.&nbsp; If you want to know more about a molded case circuit breaker (MCCB), continue reading this article.&nbsp; What Is A Molded Case Circuit Breaker? If you are looking for the best circuit breaker for your application, you may be wondering what a molded case is. These breakers can handle high currents. They are made from a special material and are incredibly durable. However, the most important thing to know before selecting a breaker is its interrupt rating. This value should be greater than the fault current that will be drawn from the circuit. B-frame Square D molded case circuit breakers are high-current interrupters. They interrupt excessive current flows to protect devices from damage due to excessive current flow. They are often used in industrial control panels and commercial OEM applications. These [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":609,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Is A Molded Case Circuit Breaker (MCCB)? -TOSUNlux Official Site<\/title>\n<meta name=\"description\" content=\"If you want to know more about a molded case circuit breaker (MCCB), a device with a molded frame, continue reading this article.\" \/>\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\/fr\/blog\/what-is-a-molded-case-circuit-breaker-mccb\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is A Molded Case Circuit Breaker (MCCB)? 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