{"id":8922,"date":"2026-03-18T17:32:44","date_gmt":"2026-03-18T09:32:44","guid":{"rendered":"https:\/\/www.tosunlux.eu\/?p=8922"},"modified":"2026-03-22T15:17:35","modified_gmt":"2026-03-22T07:17:35","slug":"understanding-the-different-types-of-mccb","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/","title":{"rendered":"Explication des diff\u00e9rents types de disjoncteurs MCCB\u00a0: types B, C, D, K et Z \u2013 Fonctionnement et cas d\u2019utilisation"},"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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#How_Does_an_MCCB_Work\" title=\"Comment fonctionne un MCCB ?\">Comment fonctionne un MCCB ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#MCCB_Type_Comparison_Tripping_Ranges_and_Applications_at_a_Glance\" title=\"MCCB Type Comparison: Tripping Ranges and Applications at a Glance\">MCCB Type Comparison: Tripping Ranges and Applications at a Glance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#MCCB_Type_Comparison_Tripping_Ranges_and_Applications_at_a_Glance-2\" title=\"MCCB Type Comparison: Tripping Ranges and Applications at a Glance\">MCCB Type Comparison: Tripping Ranges and Applications at a Glance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Choosing_the_Right_Type_of_MCCB\" title=\"Choisir le bon type de MCCB\">Choisir le bon type de MCCB<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Type_B_MCCBs\" title=\"Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type B\">Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type B<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Type_C_MCCBs\" title=\"Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type C\">Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type C<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Type_D_MCCBs\" title=\"Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type D\">Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type D<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Type_K_MCCBs\" title=\"Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type K\">Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type K<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Type_Z_MCCBs\" title=\"Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type Z\">Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type Z<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Key_Considerations_When_Choosing_an_MCCB\" title=\"Consid\u00e9rations cl\u00e9s lors du choix d&#039;un disjoncteur diff\u00e9rentiel\">Consid\u00e9rations cl\u00e9s lors du choix d&#039;un disjoncteur diff\u00e9rentiel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#FAQ_Common_Questions_about_MCCBs\" title=\"FAQ : Questions courantes sur les disjoncteurs \u00e0 bo\u00eetier moul\u00e9\">FAQ : Questions courantes sur les disjoncteurs \u00e0 bo\u00eetier moul\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Enhancing_Electrical_Safety_with_MCCBs\" title=\"Am\u00e9lioration de la s\u00e9curit\u00e9 \u00e9lectrique gr\u00e2ce aux disjoncteurs \u00e0 bo\u00eetier moul\u00e9\">Am\u00e9lioration de la s\u00e9curit\u00e9 \u00e9lectrique gr\u00e2ce aux disjoncteurs \u00e0 bo\u00eetier moul\u00e9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#%F0%9F%94%8E_Recommended_Reading_for_MCCB_Types_and_Working_Principle\" title=\"\ud83d\udd0e Lectures recommand\u00e9es sur les types de disjoncteurs \u00e0 bo\u00eetier moul\u00e9 et leur principe de fonctionnement\">\ud83d\udd0e Lectures recommand\u00e9es sur les types de disjoncteurs \u00e0 bo\u00eetier moul\u00e9 et leur principe de fonctionnement<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#The_Different_Types_of_MCCB_and_How_It_Works\" title=\"                  Les diff\u00e9rents types de MCCB et comment \u00e7a marche              \">\n        \n          Les diff\u00e9rents types de MCCB et comment \u00e7a marche\n        \n      <\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Advantages_of_Using_Low_Voltage_Circuit_Breakers\" title=\"                  Avantages de l&#039;utilisation de disjoncteurs basse tension              \">\n        \n          Avantages de l&#039;utilisation de disjoncteurs basse tension\n        \n      <\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/understanding-the-different-types-of-mccb\/#Breaking_Capacity_vs_Circuit_Breaker_Ratings\" title=\"                  Pouvoir de coupure vs valeurs nominales des disjoncteurs              \">\n        \n          Pouvoir de coupure vs valeurs nominales des disjoncteurs\n        \n      <\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>Il existe diff\u00e9rents types de disjoncteurs et vous devez conna\u00eetre leur fonctionnement afin de les installer correctement. Ces disjoncteurs sont regroup\u00e9s en diff\u00e9rents types\u00a0: type B, type C, type D, type K et type Z. Un MCCB de type B se d\u00e9clenchera lorsqu&#039;il verra une surtension de 3 \u00e0 5 fois le courant nominal, tandis qu&#039;un MCCB de type C se d\u00e9clenchera lorsqu&#039;il verra une surtension de 3 \u00e0 5 fois le courant nominal, tandis qu&#039;un type C se d\u00e9clenche lorsqu&#039;il voit une surtension 5 \u00e0 10 fois.<\/p>\n\n\n\n<p>Un MCCB est un excellent dispositif de protection \u00e9lectrique. Son bo\u00eetier est scell\u00e9 et ne peut pas \u00eatre ouvert. Mais comme tout autre \u00e9quipement \u00e9lectrique, il n\u00e9cessite un entretien p\u00e9riodique pour fonctionner correctement.&nbsp;<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>Produit phare<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n      font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins';\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tosunlux.eu\/fr\/products\/tsm2-moulded-case-circuit-breaker\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSM2-150.jpg\" alt=\"Disjoncteur \u00e0 bo\u00eetier moul\u00e9 TSM2\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Disjoncteur \u00e0 bo\u00eetier moul\u00e9 TSM2<\/div>\n    <div class=\"hero-description\">Le disjoncteur \u00e0 bo\u00eetier moul\u00e9 TSM2 offre des performances \u00e9lev\u00e9es en mati\u00e8re de protection contre les surcharges et les courts-circuits, ce qui le rend id\u00e9al pour les applications industrielles et commerciales.<\/div>\n    <span class=\"hero-link\">Voir le produit<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<p>Les MCCB peuvent g\u00e9rer un courant important et un court-circuit. Ils disposent \u00e9galement d&#039;un d\u00e9clencheur mobile et d&#039;un temps de d\u00e9clenchement court. Certains types disposent de fonctions marche\/arr\u00eat \u00e0 distance, ce qui les rend utiles dans les environnements industriels o\u00f9 les chocs \u00e9lectriques constituent un risque courant.<\/p>\n\n\n\n<p>Diff\u00e9rent <a href=\"https:\/\/www.tosunlux.eu\/fr\/category\/mccb\/\"><strong>types de MCCB<\/strong><\/a> sont utilis\u00e9s dans diff\u00e9rents contextes \u00e9lectriques. Si vous souhaitez conna\u00eetre les diff\u00e9rents types de MCCB et leur fonctionnement, continuez \u00e0 lire cet article.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.tosunlux.eu\/fr\/products\/tsm8-moulded-case-circuit-breaker\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSM8-250S-1024x1024.jpg\" alt=\"Disjoncteur \u00e0 bo\u00eetier moul\u00e9 TSM8\" class=\"wp-image-2862\" style=\"width:416px;height:416px\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSM8-250S-1024x1024.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSM8-250S-300x300.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSM8-250S-150x150.jpg 150w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSM8-250S-768x768.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSM8-250S-1536x1536.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSM8-250S.jpg 1604w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Disjoncteur \u00e0 bo\u00eetier moul\u00e9<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_an_MCCB_Work\"><\/span><strong>Comment fonctionne un MCCB ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Les disjoncteurs \u00e0 bo\u00eetier moul\u00e9 sont con\u00e7us pour interrompre automatiquement le flux d&#039;\u00e9lectricit\u00e9 lorsqu&#039;un d\u00e9faut est d\u00e9tect\u00e9. Ils sont constitu\u00e9s de plusieurs composants cl\u00e9s, tels que l&#039;unit\u00e9 de d\u00e9clenchement du relais, des composants sensibles \u00e0 la temp\u00e9rature comme la bande bim\u00e9tallique et des contacts d&#039;arc. La combinaison de ces caract\u00e9ristiques permet au disjoncteur \u00e0 bo\u00eetier moul\u00e9 de r\u00e9agir aux surcharges et aux courts-circuits en d\u00e9connectant rapidement le circuit d\u00e9fectueux, garantissant ainsi la s\u00e9curit\u00e9 \u00e9lectrique.<\/p>\n\n\n\n<p><strong>Unit\u00e9 de d\u00e9clenchement de relais<\/strong>:Il s&#039;agit du cerveau du disjoncteur \u00e0 bo\u00eetier moul\u00e9. Il comprend une bobine \u00e9lectromagn\u00e9tique et un piston de d\u00e9clenchement qui active le disjoncteur lorsqu&#039;un d\u00e9faut est d\u00e9tect\u00e9. Le syst\u00e8me peut d\u00e9clencher le disjoncteur imm\u00e9diatement ou avec un d\u00e9lai, selon la gravit\u00e9 du d\u00e9faut.<\/p>\n\n\n\n<p><strong>Bande bim\u00e9tallique<\/strong>: Ce composant se dilate lorsque le courant d\u00e9passe la limite de s\u00e9curit\u00e9, ce qui provoque sa courbure et finit par d\u00e9clencher le disjoncteur. Il permet de se prot\u00e9ger contre les conditions de surcharge prolong\u00e9es.<\/p>\n\n\n\n<p><strong>Contacts d&#039;arc<\/strong>: These contacts are responsible for interrupting the electrical arc that forms when the breaker trips. Their quick response minimises the risk of fire and further damage.<\/p>\n\n\n\n<p>By using these components, MCCBs provide comprehensive protection in a wide range of electrical systems. For installations requiring adjustable tripping characteristics, the TSM4E Electronic Type Moulded Case Circuit Breaker allows engineers to fine-tune protection settings directly to the circuit&#8217;s specific load profile.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>Produit phare<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins',\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tosunlux.eu\/fr\/product\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/bunny-wp-pullzone-8eh7ulciaa.b-cdn.net\/wp-content\/uploads\/2024\/06\/DSC08160_%E5%89%AF%E6%9C%AC-1-1.webp\" alt=\"grossiste en fournitures \u00e9lectriques\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">grossiste en fournitures \u00e9lectriques<\/div>\n    <div class=\"hero-description\">D\u00e9couvrez une gamme compl\u00e8te de produits \u00e9lectriques aupr\u00e8s d&#039;un grossiste en fournitures \u00e9lectriques de confiance. TOSUNlux propose des disjoncteurs, des contacteurs, des interrupteurs et bien plus encore pour les march\u00e9s mondiaux.<\/div>\n    <span class=\"hero-link\">Voir le produit<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"MCCB_Type_Comparison_Tripping_Ranges_and_Applications_at_a_Glance\"><\/span>MCCB Type Comparison: Tripping Ranges and Applications at a Glance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Selecting the correct MCCB type begins with understanding how each one responds to overcurrent events. The table below summarises the five standard MCCB types, their tripping current ranges, and the applications they are best suited for. Use this as a quick reference before consulting the detailed descriptions that follow.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"MCCB_Type_Comparison_Tripping_Ranges_and_Applications_at_a_Glance-2\"><\/span>MCCB Type Comparison: Tripping Ranges and Applications at a Glance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Selecting the correct MCCB type begins with understanding how each one responds to overcurrent events. The table below summarises the five standard MCCB types, their tripping current ranges, and the applications they are best suited for. Use this as a quick reference before consulting the detailed descriptions that follow.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Taper<\/th><th class=\"has-text-align-left\" data-align=\"left\">Trip range<\/th><th class=\"has-text-align-left\" data-align=\"left\">Typical use case<\/th><th class=\"has-text-align-left\" data-align=\"left\">Inrush tolerance<\/th><\/tr><\/thead><tbody><tr><td>Tapez B<\/td><td>3\u20135\u00d7 rated current<\/td><td>Residential lighting, small appliances<\/td><td>Faible<\/td><\/tr><tr><td>Tapez C<\/td><td>5\u201310\u00d7 rated current<\/td><td>Commercial &amp; general industrial (motors, transformers)<\/td><td>Mod\u00e9r\u00e9<\/td><\/tr><tr><td>Tapez D<\/td><td>10\u201320\u00d7 rated current<\/td><td>Heavy industrial machinery, frequent start\/stop<\/td><td>Haut<\/td><\/tr><tr><td>Tapez K<\/td><td>8\u201312\u00d7 rated current<\/td><td>Sensitive equipment, dual-cable circuits<\/td><td>Moderate\u2013high<\/td><\/tr><tr><td>Tapez Z<\/td><td>2\u20133\u00d7 rated current<\/td><td>Telecom, data centers, sensitive electronics<\/td><td>Telecom, data centres, sensitive electronics<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Type_of_MCCB\"><\/span><strong>Choisir le bon type de MCCB<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Le choix du disjoncteur \u00e0 bo\u00eetier moul\u00e9 d\u00e9pend des besoins \u00e9lectriques sp\u00e9cifiques du syst\u00e8me. Ci-dessous, nous explorons les diff\u00e9rents types de disjoncteurs \u00e0 bo\u00eetier moul\u00e9, chacun \u00e9tant con\u00e7u pour g\u00e9rer diff\u00e9rents niveaux de courant et de temps de r\u00e9ponse.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Type_B_MCCBs\"><\/span><strong>Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type B<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Type B moulded case circuit breakers are designed for residential and light commercial applications where inrush currents are low. They trip at 3 to 5 times the rated current, making them well-suited for protecting lighting circuits, socket outlets, and small household appliances. They trip at 3 to 5 times the rated current. These breakers are ideal for protecting circuits with low inrush currents, such as lighting and small appliances.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Type_C_MCCBs\"><\/span><strong>Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type C<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Type C MCCBs are the most widely used moulded case circuit breakers in general commercial and industrial settings. With a tripping range of 5 to 10 times the rated current, they handle moderate inrush currents from equipment such as motors, pumps, and transformers without nuisance tripping. They are suitable for general-purpose use in commercial and industrial applications. Type C breakers are commonly used in systems that involve equipment with moderate inrush currents, such as motors and transformers. The TSM2 Moulded Case Circuit Breaker is a dependable Type C-rated solution for commercial and light industrial installations, offering high performance overload and short circuit protection in a compact sealed casing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Type_D_MCCBs\"><\/span><strong>Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type D<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Type D moulded case circuit breakers are engineered for heavy industrial environments where large machinery generates high inrush currents on startup. They trip at 10 to 20 times the rated current, providing reliable short circuit protection without interrupting normal operation of equipment like compressors, welding machines, and industrial presses. Type D breakers trip at 10 to 20 times the rated current and are best used in environments where substantial equipment starts and stops frequently. Their higher tolerance to inrush currents makes them ideal for heavy-duty operations. For demanding heavy-duty environments, the TSM9 Moulded Case Circuit Breaker provides robust protection against overload, short circuit, and under-voltage conditions in AC 50\/60Hz industrial circuits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Type_K_MCCBs\"><\/span><strong>Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type K<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Type K MCCBs offer enhanced protection for circuits carrying sensitive equipment or installations with two cables. Tripping at 8 to 12 times the rated current, they balance tolerance for surge currents with fast response to genuine faults, making them a preferred choice where standard Type C protection is insufficient.They trip at 8 to 12 times the rated current and are often used in settings where more sensitive equipment is involved. Type K breakers are ideal for providing enhanced protection in installations where surge currents are common.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Type_Z_MCCBs\"><\/span><strong>Disjoncteurs \u00e0 bo\u00eetier moul\u00e9 de type Z<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Type Z moulded case circuit breakers are the most sensitive type available, tripping at just 2 to 3 times the rated current. They are specifically designed to protect delicate electronic equipment in telecommunications infrastructure, data centres, and precision measurement systems where even minor overloads can cause irreversible damage. They are used to protect sensitive electronic equipment, making them suitable for applications like telecommunications and data centers. While they are not as versatile as other types, their ability to react to small overloads makes them an essential component in sensitive circuits.<\/p>\n\n\n\n<div class=\"wp-block-cover\" style=\"min-height:209px;aspect-ratio:unset;\"><img decoding=\"async\" width=\"2000\" height=\"1334\" class=\"wp-block-cover__image-background wp-image-11272\" alt=\"\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2024\/08\/DSC_5015.webp\" style=\"object-position:74% 64%\" data-object-fit=\"cover\" data-object-position=\"74% 64%\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2024\/08\/DSC_5015.webp 2000w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2024\/08\/DSC_5015-300x200.webp 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2024\/08\/DSC_5015-1024x683.webp 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2024\/08\/DSC_5015-768x512.webp 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2024\/08\/DSC_5015-1536x1025.webp 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2024\/08\/DSC_5015-18x12.webp 18w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#e8e8e8\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-black-color has-text-color has-link-color has-large-font-size wp-elements-a6f6f557094fc244487cf43025097b04\"><strong>Des solutions MCCB fiables \u00e0 des prix comp\u00e9titifs \u2013 Demandez votre devis d\u00e8s aujourd\u2019hui\u00a0!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-fdcfc74e wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-25 is-style-fill\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-small-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.tosunlux.eu\/fr\/contact\/\" style=\"border-radius:100px;background-color:#1fc2db\"><strong><strong>Entrer en contact<\/strong><\/strong><\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Considerations_When_Choosing_an_MCCB\"><\/span><strong>Consid\u00e9rations cl\u00e9s lors du choix d&#039;un disjoncteur diff\u00e9rentiel<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Lors de la s\u00e9lection du bon MCCB, tenez compte des facteurs suivants\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Note actuelle<\/strong>: Assurez-vous que le courant nominal du MCCB correspond \u00e0 la charge pr\u00e9vue du circuit pour \u00e9viter un d\u00e9clenchement inutile ou une protection insuffisante.<\/li>\n\n\n\n<li><strong>Type d&#039;application<\/strong>:Diff\u00e9rents types de disjoncteurs \u00e0 bo\u00eetier moul\u00e9 conviennent \u00e0 diff\u00e9rents environnements, tels que les environnements r\u00e9sidentiels, commerciaux ou industriels. Comprendre votre application vous aidera \u00e0 choisir le disjoncteur \u00e0 bo\u00eetier moul\u00e9 appropri\u00e9.<\/li>\n\n\n\n<li><strong>Temps de r\u00e9ponse<\/strong>: Choisissez un MCCB avec le temps de r\u00e9ponse correct pour garantir qu&#039;il se d\u00e9clenche rapidement en cas de surcharge ou de court-circuit.<\/li>\n<\/ol>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>Produit phare<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: 'Poppins', Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tosunlux.eu\/fr\/products\/tsm4e-electronic-type-moulded-case-circuit-breaker\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2023\/09\/1-2.jpg\" alt=\"Disjoncteur \u00e9lectronique \u00e0 bo\u00eetier moul\u00e9 TSM4E de TOSUNlux\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Disjoncteur \u00e0 bo\u00eetier moul\u00e9 de type \u00e9lectronique TSM4E<\/div>\n    <div class=\"hero-description\">Le disjoncteur TSM4E offre une protection efficace contre les surcharges et les courts-circuits avec des caract\u00e9ristiques de d\u00e9clenchement r\u00e9glables, id\u00e9ales pour une utilisation dans les circuits AC 50\/60 Hz.<\/div>\n    <span class=\"hero-link\">Voir le produit<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ_Common_Questions_about_MCCBs\"><\/span><strong>FAQ : Questions courantes sur les disjoncteurs \u00e0 bo\u00eetier moul\u00e9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Q1 : Quelle est la diff\u00e9rence entre MCCB et MCB ?<\/strong><strong><br><\/strong><strong>A1<\/strong>:Bien que les deux servent \u00e0 prot\u00e9ger les circuits contre les surcharges et les courts-circuits, les disjoncteurs \u00e0 bo\u00eetier moul\u00e9 peuvent g\u00e9rer des courants plus \u00e9lev\u00e9s et sont souvent utilis\u00e9s dans les applications industrielles. Les disjoncteurs \u00e0 bo\u00eetier moul\u00e9 sont g\u00e9n\u00e9ralement utilis\u00e9s dans les applications r\u00e9sidentielles et commerciales l\u00e9g\u00e8res.<\/p>\n\n\n\n<p><strong>Q2 : Un MCCB peut-il \u00eatre r\u00e9initialis\u00e9 ?<\/strong><strong><br><\/strong><strong>A2<\/strong>:Oui, une fois qu&#039;un disjoncteur diff\u00e9rentiel se d\u00e9clenche, il peut \u00eatre r\u00e9initialis\u00e9 manuellement. Cependant, il est important de rechercher la cause du d\u00e9clenchement avant de r\u00e9initialiser le disjoncteur.<\/p>\n\n\n\n<p><strong>Q3 : \u00c0 quelle fr\u00e9quence les MCCB doivent-ils \u00eatre entretenus ?<\/strong><strong><br><\/strong><strong>A3<\/strong>:Un entretien r\u00e9gulier est essentiel pour garantir le bon fonctionnement du MCCB. Cela comprend le nettoyage, la recherche de signes d&#039;usure et la v\u00e9rification du fonctionnement du m\u00e9canisme de d\u00e9clenchement.<\/p>\n\n\n\n<p><strong>Q4 : \u00c0 quoi sert un MCCB de type D ?<\/strong><strong><br><\/strong><strong>A4<\/strong>:Les MCCB de type D sont con\u00e7us pour les applications industrielles lourdes o\u00f9 les courants d&#039;appel \u00e9lev\u00e9s sont courants. Ils assurent la protection des machines et moteurs de grande taille.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\">\n<p><strong>Q5: What is the typical lifespan of an MCCB? <\/strong><\/p>\n\n\n\n<p><strong>A5: <\/strong>Under normal operating conditions, an MCCB can last 20 years or more. However, its mechanical and electrical life is also rated by the number of operations \u2014 typically between 10,000 and 25,000 switching cycles depending on the model and manufacturer. Regular maintenance, avoiding repeated short-circuit trips, and operating within the rated current range all contribute to a longer service life.<\/p>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\">\n<p><strong>Q6: Can an MCCB be used as a main switch or isolator? <\/strong><\/p>\n\n\n\n<p><strong>A6:<\/strong> Yes, many MCCBs are approved for use as a main switch or isolator when they carry the appropriate certification for that function. However, not all MCCBs are rated for isolation duty \u2014 always check the product datasheet to confirm whether the unit meets the isolation requirements specified in IEC 60947-2 or the relevant local standard before using it in this role.<\/p>\n<\/div>\n\n\n\n<p><strong>Q7: What are the most common causes of MCCB failure?<\/strong><br><strong>A7: <\/strong>The most frequent causes include repeated exposure to short-circuit currents beyond the breaker&#8217;s rated capacity, mechanical wear from excessive switching operations, moisture or contaminant ingress into the casing, and loose terminal connections that cause localised overheating. Scheduled inspection and testing \u2014 including contact resistance checks and insulation resistance testing \u2014 help identify early signs of degradation before failure occurs.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>Produit phare<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: 'Poppins', Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tosunlux.eu\/fr\/products\/tsm9-moulded-case-circuit-breaker\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2025\/01\/1-10.jpg\" alt=\"Disjoncteur \u00e0 bo\u00eetier moul\u00e9 TSM9 de TOSUNlux\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Disjoncteur \u00e0 bo\u00eetier moul\u00e9 TSM9<\/div>\n    <div class=\"hero-description\">Le disjoncteur \u00e0 bo\u00eetier moul\u00e9 TSM9 est con\u00e7u pour \u00eatre utilis\u00e9 dans les circuits CA 50\/60 Hz, avec des fonctions de protection contre les surcharges, les courts-circuits et les sous-tensions pour un fonctionnement fiable.<\/div>\n    <span class=\"hero-link\">Voir le produit<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Enhancing_Electrical_Safety_with_MCCBs\"><\/span><strong>Am\u00e9lioration de la s\u00e9curit\u00e9 \u00e9lectrique gr\u00e2ce aux disjoncteurs \u00e0 bo\u00eetier moul\u00e9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Les disjoncteurs \u00e0 bo\u00eetier moul\u00e9 sont indispensables pour assurer la s\u00e9curit\u00e9 \u00e9lectrique dans une large gamme d&#039;applications. En s\u00e9lectionnant le type adapt\u00e9 \u00e0 vos besoins, vous pouvez assurer la protection des circuits \u00e9lectriques et r\u00e9duire les risques de dommages ou d&#039;incendie. Un entretien r\u00e9gulier et une installation correcte am\u00e9liorent encore la fiabilit\u00e9 et l&#039;efficacit\u00e9 des disjoncteurs \u00e0 bo\u00eetier moul\u00e9.<\/p>\n\n\n\n<p>For a detailed side-by-side breakdown, read <a href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/mccb-vs-mcb\/\">our guide on MCCB vs MCB<\/a>: key differences in current rating, application type, and protection level.<\/p>\n\n\n\n<div style=\"margin-top: 50px;\">\n  <h3 style=\"font-size: 22px; font-weight: bold; color: #003366; margin-bottom: 20px;\"><span class=\"ez-toc-section\" id=\"%F0%9F%94%8E_Recommended_Reading_for_MCCB_Types_and_Working_Principle\"><\/span>\ud83d\udd0e Lectures recommand\u00e9es sur les types de disjoncteurs \u00e0 bo\u00eetier moul\u00e9 et leur principe de fonctionnement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n  <div style=\"display: flex; flex-wrap: wrap; gap: 20px;\">\n\n    <!-- \u5361\u72471\uff1aDifferent Types of MCCB -->\n    <div style=\"flex: 1 1 30%; background-color: #f0f6fc; padding: 20px; border-left: 4px solid #003366; border-radius: 8px;\">\n      <h4 style=\"font-size: 16px; font-weight: bold; color: #003366; margin-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"The_Different_Types_of_MCCB_and_How_It_Works\"><\/span>\n        <a href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/the-different-types-of-mccb-and-how-it-works\/\" style=\"text-decoration: none; color: #003366;\">\n          Les diff\u00e9rents types de MCCB et comment \u00e7a marche\n        <\/a>\n      <span class=\"ez-toc-section-end\"><\/span><\/h4>\n      <p style=\"font-size: 14px; color: #333;\">\n        D\u00e9couvrez les diff\u00e9rents types de disjoncteurs \u00e0 bo\u00eetier moul\u00e9 (MCCB), leur construction et la mani\u00e8re dont ils assurent la protection des syst\u00e8mes \u00e9lectriques.\n      <\/p>\n    <\/div>\n\n    <!-- \u5361\u72472\uff1aWhat Are the Advantages of Using Low Voltage Circuit Breakers -->\n    <div style=\"flex: 1 1 30%; background-color: #f0f6fc; padding: 20px; border-left: 4px solid #003366; border-radius: 8px;\">\n      <h4 style=\"font-size: 16px; font-weight: bold; color: #003366; margin-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"Advantages_of_Using_Low_Voltage_Circuit_Breakers\"><\/span>\n        <a href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/what-are-the-advantages-of-using-low-voltage-circuit-breakers\/\" style=\"text-decoration: none; color: #003366;\">\n          Avantages de l&#039;utilisation de disjoncteurs basse tension\n        <\/a>\n      <span class=\"ez-toc-section-end\"><\/span><\/h4>\n      <p style=\"font-size: 14px; color: #333;\">\n        D\u00e9couvrez pourquoi les MCCB sont essentiels dans les syst\u00e8mes basse tension et comment ils am\u00e9liorent la s\u00e9curit\u00e9 et la fiabilit\u00e9 de la distribution \u00e9lectrique.\n      <\/p>\n    <\/div>\n\n    <!-- \u5361\u72473\uff1aBreaking Capacity vs Circuit Breaker Ratings -->\n    <div style=\"flex: 1 1 30%; background-color: #f0f6fc; padding: 20px; border-left: 4px solid #003366; border-radius: 8px;\">\n      <h4 style=\"font-size: 16px; font-weight: bold; color: #003366; margin-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"Breaking_Capacity_vs_Circuit_Breaker_Ratings\"><\/span>\n        <a href=\"https:\/\/www.tosunlux.eu\/fr\/blog\/breaking-capacity-vs-circuit-breaker-ratings\/\" style=\"text-decoration: none; color: #003366;\">\n          Pouvoir de coupure vs valeurs nominales des disjoncteurs\n        <\/a>\n      <span class=\"ez-toc-section-end\"><\/span><\/h4>\n      <p style=\"font-size: 14px; color: #333;\">\n        Comprendre comment \u00e9valuer les valeurs nominales et les capacit\u00e9s de coupure des MCCB pour choisir le niveau de protection adapt\u00e9 \u00e0 votre syst\u00e8me.\n      <\/p>\n    <\/div>\n\n  <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>There are different types of circuit breakers, and you need to know how they work in order to install them correctly. These circuit breakers are grouped into different types: type B, type C, type D, type K, and type Z. A type B MCCB will trip when it sees a surge of 3 to 5 times the rated current, while a type C will trip when it sees a surge 5 to 10 times. An MCCB is an excellent electrical protection device. Its casing is sealed and cannot be opened. But just like any other electrical equipment, it requires periodic maintenance in order to function properly.&nbsp; Hero Product Highlight TSM2 Moulded Case Circuit Breaker The TSM2 Moulded Case Circuit Breaker offers high performance for overload and short circuit protection, making it ideal for industrial and commercial applications. View Product MCCBs can handle a large current and a short circuit. They also have a movable trip unit and a short tripping time. Some types have remote ON\/OFF features, making them useful in industrial settings where electrical shocks are a common hazard. Different types of MCCBs are used in different electrical settings. If you want to know about the different types of MCCBs and how it works, continue reading this article.&nbsp; How Does an MCCB Work? MCCBs are designed to automatically interrupt the flow of electricity when a fault is detected. They consist of several key components, such as the relay tripping unit, temperature-sensitive components like the bimetallic strip, and arcing contacts. The combination of these features [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8409,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-8922","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>Understanding the Different Types of MCCB and How They Work | TOSUNlux<\/title>\n<meta name=\"description\" content=\"Explore the various types of MCCBs and their functions, including type B, type C, type D, type K, and type Z. Learn about MCCB operation, applications, and maintenance with insights from Tosunlux, a leading manufacturer of electrical protection devices.\" \/>\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\/understanding-the-different-types-of-mccb\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding the Different Types of MCCB and How They Work | TOSUNlux\" \/>\n<meta property=\"og:description\" content=\"Explore the various types of MCCBs and their functions, including type B, type C, type D, type K, and type Z. 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