{"id":46118,"date":"2025-02-26T16:06:03","date_gmt":"2025-02-26T16:06:03","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=46118"},"modified":"2025-02-26T16:22:33","modified_gmt":"2025-02-26T16:22:33","slug":"nema-12-vs-nema-4","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/fr\/nema-12-contre-nema-4\/","title":{"rendered":"Bo\u00eetiers NEMA 12 et NEMA 4\u00a0: ce que vous devez savoir"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Comprendre les diff\u00e9rences entre NEMA 12 et NEMA 4 est essentiel pour choisir des bo\u00eetiers destin\u00e9s \u00e0 prot\u00e9ger les composants \u00e9lectriques en milieu industriel. Pour garantir des r\u00e9sultats optimaux, il est essentiel de savoir quel type de bo\u00eetier prot\u00e8ge de la poussi\u00e8re, de l&#039;eau et d&#039;autres dangers.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\" style=\"cursor:inherit\">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=\"Basculer la 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' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#What_are_NEMA_4_Enclosures\" >Que sont les bo\u00eetiers NEMA 4\u00a0?<\/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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#What_are_NEMA_12_Enclosures\" >Que sont les bo\u00eetiers NEMA 12\u00a0?<\/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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#Key_Differences_Between_NEMA_12_and_NEMA_4_Enclosures\" >Principales diff\u00e9rences entre les bo\u00eetiers NEMA 12 et NEMA 4<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#1_Water_Protection\" >1. Protection de l&#039;eau<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#2_Dust_Dirt_Resistance\" >2. R\u00e9sistance \u00e0 la poussi\u00e8re et \u00e0 la salet\u00e9<\/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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#3_Material_Design\" >3. Mat\u00e9riau et conception<\/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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#4_Applications\" >4. Applications<\/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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#Comparison_Table\" >Tableau comparatif<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#Factors_to_Consider_When_Choosing_NEMA_12_or_NEMA_4_Enclosures\" >Facteurs \u00e0 prendre en compte lors du choix des bo\u00eetiers NEMA 12 ou NEMA 4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#Custom_NEMA_Enclosures_by_KDM_Steel\" >Bo\u00eetiers NEMA personnalis\u00e9s par KDM Steel<\/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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#Conclusion\" >Conclusion<\/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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#FAQs\" >FAQ<\/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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#Whats_the_difference_between_NEMA_4_and_NEMA_12\" >Quelle est la diff\u00e9rence entre NEMA 4 et NEMA 12\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#Is_NEMA_4_better_than_NEMA_12\" >NEMA 4 est-il meilleur que NEMA 12\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/fr\/nema-12-contre-nema-4\/#Is_a_NEMA_12_enclosure_waterproof\" >Un bo\u00eetier NEMA 12 est-il \u00e9tanche ?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_NEMA_4_Enclosures\"><\/span><b>Que sont les bo\u00eetiers NEMA 4\u00a0?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46124\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-4-Enclosures-2.jpg\" alt=\"Que sont les bo\u00eetiers NEMA 4\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-4-Enclosures-2.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-4-Enclosures-2-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-4-Enclosures-2-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-4-Enclosures-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Vos bo\u00eetiers NEMA 4 prot\u00e8gent les composants \u00e9lectriques contre la poussi\u00e8re, la salet\u00e9 et l&#039;eau dans les environnements difficiles, industriels et ext\u00e9rieurs. Ils prot\u00e8gent contre la pluie, les projections d&#039;eau et le givrage, et offrent une fiabilit\u00e9 optimale en conditions humides et corrosives. Les applications n\u00e9cessitant un bo\u00eetier \u00e9lectrique offrant une excellente r\u00e9sistance aux intemp\u00e9ries et une grande durabilit\u00e9, comme les applications industrielles, requi\u00e8rent ces bo\u00eetiers.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_are_NEMA_12_Enclosures\"><\/span><b>Que sont les bo\u00eetiers NEMA 12\u00a0?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46125\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-12-Enclosures.jpg\" alt=\"Que sont les bo\u00eetiers NEMA 12\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-12-Enclosures.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-12-Enclosures-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-12-Enclosures-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/What-are-NEMA-12-Enclosures-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Ton<\/span><a href=\"https:\/\/ieeexplore.ieee.org\/abstract\/document\/7095545\"> <span style=\"font-weight: 400;\">NEMA 12<\/span><\/a><span style=\"font-weight: 400;\"> Les bo\u00eetiers sont r\u00e9sistants \u00e0 la poussi\u00e8re, \u00e0 la salet\u00e9 et aux liquides non corrosifs et prot\u00e8gent les composants \u00e9lectriques utilis\u00e9s en milieu industriel int\u00e9rieur. Ils emp\u00eachent les \u00e9claboussures d&#039;eau et les d\u00e9bris d&#039;endommager les \u00e9quipements sensibles. Ces bo\u00eetiers assurent un fonctionnement fiable dans les environnements contr\u00f4l\u00e9s o\u00f9 l&#039;humidit\u00e9 et les \u00e9l\u00e9ments contaminants sont pr\u00e9occupants.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Key_Differences_Between_NEMA_12_and_NEMA_4_Enclosures\"><\/span><b>Principales diff\u00e9rences entre les bo\u00eetiers NEMA 12 et NEMA 4<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46126\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-12-and-NEMA-4-Enclosures.jpg\" alt=\"Principales diff\u00e9rences entre les bo\u00eetiers NEMA 12 et NEMA 4\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-12-and-NEMA-4-Enclosures.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-12-and-NEMA-4-Enclosures-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-12-and-NEMA-4-Enclosures-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Key-Differences-Between-NEMA-12-and-NEMA-4-Enclosures-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Water_Protection\"><\/span><b>1. Protection de l&#039;eau<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Une diff\u00e9rence cl\u00e9 entre NEMA 12 et NEMA 4 est la protection contre l&#039;eau.<\/span><a href=\"https:\/\/www.kdmsteel.com\/fr\/specifications-nema-4x\/\"> <span style=\"font-weight: 400;\">NEMA 4<\/span><\/a><span style=\"font-weight: 400;\"> Les bo\u00eetiers sont con\u00e7us pour r\u00e9sister \u00e0 une exposition directe \u00e0 l&#039;eau (pluie, \u00e9claboussures ou projections d&#039;eau), mais ne sont pas n\u00e9cessairement \u00e0 l&#039;abri de la poussi\u00e8re. Leur construction \u00e9tanche emp\u00eache la p\u00e9n\u00e9tration d&#039;humidit\u00e9 et, par cons\u00e9quent, les composants \u00e9lectriques sont prot\u00e9g\u00e9s en conditions humides. Les bo\u00eetiers NEMA 12, destin\u00e9s \u00e0 une utilisation en int\u00e9rieur sec, doivent \u00eatre prot\u00e9g\u00e9s contre les gouttes de liquide non pressuris\u00e9es ou les l\u00e9g\u00e8res \u00e9claboussures.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Dust_Dirt_Resistance\"><\/span><b>2. R\u00e9sistance \u00e0 la poussi\u00e8re et \u00e0 la salet\u00e9<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Les bo\u00eetiers NEMA 12 et NEMA 4 ont tous deux prouv\u00e9 leur efficacit\u00e9 pour prot\u00e9ger les composants \u00e9lectriques de la poussi\u00e8re et de la salet\u00e9, tout en garantissant la s\u00e9curit\u00e9. Un bo\u00eetier NEMA 4 de classe sup\u00e9rieure offre \u00e9galement une \u00e9tanch\u00e9it\u00e9 renforc\u00e9e pour une utilisation en int\u00e9rieur comme en ext\u00e9rieur, en pr\u00e9sence de poussi\u00e8re, de salet\u00e9 et de d\u00e9bris transport\u00e9s par le vent. En revanche, les bo\u00eetiers NEMA 12 sont g\u00e9n\u00e9ralement utilis\u00e9s dans les usines, les entrep\u00f4ts et les environnements d&#039;automatisation, o\u00f9 une protection efficace contre la poussi\u00e8re en suspension dans l&#039;air est requise.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Material_Design\"><\/span><b style=\"font-style: inherit;\">3. Mat\u00e9riau et conception<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Les diff\u00e9rences entre NEMA 12 et NEMA 4 r\u00e9sident dans le mat\u00e9riau et sa conception, garantissant \u00e0 la fois la durabilit\u00e9 de l&#039;appareil et son applicabilit\u00e9 au projet. Les bo\u00eetiers NEMA 4 sont fabriqu\u00e9s \u00e0 partir de mat\u00e9riaux r\u00e9sistants \u00e0 la corrosion, tels que l&#039;acier inoxydable, l&#039;aluminium ou le polycarbonate, et offrent une performance durable en ext\u00e9rieur et en lavage \u00e0 grande eau. En comparaison, les bo\u00eetiers NEMA 12 sont g\u00e9n\u00e9ralement fabriqu\u00e9s en acier thermolaqu\u00e9 pour une bonne protection contre la poussi\u00e8re et les liquides non corrosifs en int\u00e9rieur. Cependant, ils ne sont pas \u00e9tanches et leur construction n&#039;est pas robuste pour les environnements ext\u00e9rieurs ou tr\u00e8s humides.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Applications\"><\/span><b>4. Applications<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Destin\u00e9s \u00e0 une utilisation en int\u00e9rieur industriel comme les usines, les entrep\u00f4ts et les syst\u00e8mes d&#039;automatisation, les bo\u00eetiers NEMA 12 sont con\u00e7us pour r\u00e9sister \u00e0 la poussi\u00e8re, \u00e0 la salet\u00e9 et aux liquides non corrosifs. Ils ne sont pas adapt\u00e9s aux conditions humides et prot\u00e8gent les composants \u00e9lectriques dans des environnements contr\u00f4l\u00e9s. Bien que con\u00e7us pour une utilisation en ext\u00e9rieur, au lavage et dans des environnements industriels difficiles, les bo\u00eetiers NEMA 4 offrent une protection sup\u00e9rieure contre la pluie, les projections d&#039;eau et les contaminants agressifs.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comparison_Table\"><\/span><b>Tableau comparatif<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Fonctionnalit\u00e9<\/b><\/td>\n<td><b>NEMA 12<\/b><\/td>\n<td><b>NEMA 4<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>R\u00e9sistance \u00e0 l&#039;eau<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Prot\u00e8ge uniquement contre les \u00e9claboussures et les gouttes l\u00e9g\u00e8res<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9siste \u00e0 la pluie, aux \u00e9claboussures et \u00e0 l&#039;eau dirig\u00e9e vers le tuyau<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>R\u00e9sistance \u00e0 la poussi\u00e8re<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Emp\u00eacher la poussi\u00e8re, la salet\u00e9 et les d\u00e9bris en suspension dans l&#039;air d&#039;affecter<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Protection contre la poussi\u00e8re sup\u00e9rieure \u00e0 celle des bo\u00eetiers standards<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Mat\u00e9riel<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Acier rev\u00eatu de poudre<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Acier inoxydable, aluminium ou polycarbonate<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>R\u00e9sistance \u00e0 la corrosion<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Limit\u00e9, non con\u00e7u pour des conditions difficiles<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Haut, con\u00e7u pour l&#039;ext\u00e9rieur et les zones de lavage<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Applications<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Usines, entrep\u00f4ts, syst\u00e8mes d&#039;automatisation<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ext\u00e9rieur, lavage, transformation des aliments, sites industriels<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Aptitude \u00e0 l&#039;ext\u00e9rieur<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Ne convient pas \u00e0 une utilisation en ext\u00e9rieur<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Con\u00e7u pour les environnements ext\u00e9rieurs et difficiles<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Industries id\u00e9ales<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Fabrication,<\/span><a href=\"https:\/\/www.kdmsteel.com\/fr\/boitiers-electriques-lavables-2\/\"> <span style=\"font-weight: 400;\">bo\u00eetiers \u00e9lectriques lavables<\/span><\/a><span style=\"font-weight: 400;\">, automatisation<\/span><\/td>\n<td><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/001905789290016C\"><span style=\"font-weight: 400;\">Traitement de l&#039;eau<\/span><\/a><span style=\"font-weight: 400;\">, l&#039;agriculture, la marine et<\/span><a href=\"https:\/\/books.google.com.pk\/books?hl=en&amp;lr=&amp;id=PyxfEAAAQBAJ&amp;oi=fnd&amp;pg=PP1&amp;dq=(food+processing+industry)+AND+(processing+methods)+AND+(processing+technologies)&amp;ots=VYY8nDLHe9&amp;sig=lJvv9nTGepNPYfo0W-vVwMJEmQQ&amp;redir_esc=y\"> <span style=\"font-weight: 400;\">transformation des aliments<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Factors_to_Consider_When_Choosing_NEMA_12_or_NEMA_4_Enclosures\"><\/span><b>Facteurs \u00e0 prendre en compte lors du choix des bo\u00eetiers NEMA 12 ou NEMA 4<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46127\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Factors-to-Consider-When-Choosing-NEMA-12-or-NEMA-4-Enclosures.jpg\" alt=\"Facteurs \u00e0 prendre en compte lors du choix des bo\u00eetiers NEMA 12 ou NEMA 4\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Factors-to-Consider-When-Choosing-NEMA-12-or-NEMA-4-Enclosures.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Factors-to-Consider-When-Choosing-NEMA-12-or-NEMA-4-Enclosures-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Factors-to-Consider-When-Choosing-NEMA-12-or-NEMA-4-Enclosures-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Factors-to-Consider-When-Choosing-NEMA-12-or-NEMA-4-Enclosures-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<ul>\n<li><b>Environnement<\/b><span style=\"font-weight: 400;\">:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Votre bo\u00eetier NEMA 12 est adapt\u00e9 aux environnements int\u00e9rieurs poussi\u00e9reux, tandis que le NEMA 4 r\u00e9siste aux conditions ext\u00e9rieures, humides et extr\u00eames. De plus, sa conception \u00e9tanche est id\u00e9ale pour une meilleure r\u00e9sistance \u00e0 l&#039;humidit\u00e9 et aux d\u00e9bris. Un bo\u00eetier bien choisi pr\u00e9vient les pannes de l&#039;\u00e9quipement et est conforme aux normes de l&#039;industrie.<\/span><\/p>\n<ul>\n<li><b>Besoins en mati\u00e8re de r\u00e9sistance \u00e0 l&#039;eau<\/b><span style=\"font-weight: 400;\">:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Votre NEMA 12 prot\u00e8ge contre les l\u00e9g\u00e8res projections d&#039;eau, tandis que la norme NEMA 4 prot\u00e8ge contre les fortes pluies, les lavages \u00e0 grande eau et les projections d&#039;eau. Gr\u00e2ce \u00e0 sa conception \u00e9tanche, il emp\u00eache toute infiltration d&#039;eau et est id\u00e9al pour la transformation des aliments, le traitement des eaux us\u00e9es et les utilisations en ext\u00e9rieur, garantissant la s\u00e9curit\u00e9 au travail et la fiabilit\u00e9 des \u00e9quipements.<\/span><\/p>\n<ul>\n<li><b>Niveaux de poussi\u00e8re et de salet\u00e9<\/b><span style=\"font-weight: 400;\">:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Votre NEMA 12 offre une protection contre les d\u00e9bris en suspension dans l&#039;air en int\u00e9rieur, tandis que la NEMA 4 offre une meilleure \u00e9tanch\u00e9it\u00e9 contre les salet\u00e9s en suspension dans l&#039;air et projet\u00e9es, la poussi\u00e8re et les particules en suspension dans l&#039;air en ext\u00e9rieur. La norme NEMA 4 est id\u00e9ale pour une utilisation dans l&#039;agriculture, la construction et l&#039;exploitation mini\u00e8re, et est sp\u00e9cifiquement utilis\u00e9e pour garantir le bon fonctionnement des \u00e9quipements pendant des ann\u00e9es et une performance optimale dans des environnements difficiles.<\/span><\/p>\n<ul>\n<li><b>Exigences de l&#039;industrie<\/b><span style=\"font-weight: 400;\">:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Votre NEMA 12 est adapt\u00e9 \u00e0 l&#039;automatisation et \u00e0 la fabrication\u00a0; la NEMA 4 est indispensable \u00e0 l&#039;agroalimentaire, \u00e0 l&#039;industrie pharmaceutique et aux industries de plein air comme les t\u00e9l\u00e9communications et le traitement des eaux. Gr\u00e2ce \u00e0 sa r\u00e9sistance sup\u00e9rieure, elle garantit la conformit\u00e9, prot\u00e8ge les \u00e9quipements et respecte des normes d&#039;hygi\u00e8ne et d&#039;environnement strictes.<\/span><\/p>\n<ul>\n<li><b>Co\u00fbt<\/b><span style=\"font-weight: 400;\">:<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00c9conomique pour une utilisation en int\u00e9rieur, le bo\u00eetier NEMA 12 est l\u00e9g\u00e8rement moins cher. Le NEMA 4 est plus cher, mais offre une bien meilleure protection contre l&#039;eau et la poussi\u00e8re. Sa durabilit\u00e9 r\u00e9duit les besoins de maintenance et les temps d&#039;arr\u00eat, ce qui en fait un investissement \u00e0 long terme. Choisir le bo\u00eetier id\u00e9al est un choix personnel qui concilie prix et performances en fonction de vos besoins.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Custom_NEMA_Enclosures_by_KDM_Steel\"><\/span><b>Bo\u00eetiers NEMA personnalis\u00e9s par KDM Steel<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46128\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Custom-NEMA-Enclosures-by-KDM-Steel.jpg\" alt=\"Bo\u00eetiers NEMA personnalis\u00e9s par KDM Steel\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Custom-NEMA-Enclosures-by-KDM-Steel.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Custom-NEMA-Enclosures-by-KDM-Steel-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Custom-NEMA-Enclosures-by-KDM-Steel-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Custom-NEMA-Enclosures-by-KDM-Steel-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">KDM Steel propose des bo\u00eetiers NEMA sur mesure de haute qualit\u00e9 pour r\u00e9pondre \u00e0 vos besoins sp\u00e9cifiques. Nos bo\u00eetiers sont disponibles avec une protection durable pour une utilisation int\u00e9rieure ou ext\u00e9rieure, que vous recherchiez une protection robuste, r\u00e9sistante aux intemp\u00e9ries et conforme aux normes industrielles.<\/span><a href=\"https:\/\/www.kdmsteel.com\/fr\/\"> <span style=\"font-weight: 400;\">Acier KDM<\/span><\/a><span style=\"font-weight: 400;\"> vous fournit des services fiables avec une personnalisation experte et une fabrication de pr\u00e9cision.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><b>Conclusion<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46129\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Conclusion-13.jpg\" alt=\"Conclusion\" width=\"1280\" height=\"720\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Conclusion-13.jpg 1280w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Conclusion-13-150x84.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Conclusion-13-768x432.jpg 768w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2025\/02\/Conclusion-13-18x10.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Le choix entre un bo\u00eetier NEMA 12 et un bo\u00eetier NEMA 4 d\u00e9pend de votre environnement et du niveau de protection requis. Alors que le NEMA 12 prot\u00e8ge contre la poussi\u00e8re et les liquides non corrosifs, le NEMA 4 offre une r\u00e9sistance sup\u00e9rieure \u00e0 l&#039;eau. Choisir un bo\u00eetier adapt\u00e9 est essentiel pour garantir la long\u00e9vit\u00e9, la fiabilit\u00e9 et les performances optimales de vos appareils industriels et professionnels.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><b>FAQ<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Whats_the_difference_between_NEMA_4_and_NEMA_12\"><\/span><b>Quelle est la diff\u00e9rence entre NEMA 4 et NEMA 12\u00a0?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">La principale diff\u00e9rence entre les bo\u00eetiers NEMA 4 et NEMA 12 r\u00e9side dans leur \u00e9tanch\u00e9it\u00e9. Utilis\u00e9s \u00e0 l&#039;int\u00e9rieur, les bo\u00eetiers NEMA 12 r\u00e9sistent \u00e0 la poussi\u00e8re, \u00e0 la salet\u00e9 et aux \u00e9claboussures l\u00e9g\u00e8res. Vos bo\u00eetiers NEMA 4 offrent une protection sup\u00e9rieure contre la pluie, les projections d&#039;eau et les conditions ext\u00e9rieures, ce qui leur conf\u00e8re une durabilit\u00e9 optimale dans les environnements les plus difficiles.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_NEMA_4_better_than_NEMA_12\"><\/span><b>NEMA 4 est-il meilleur que NEMA 12\u00a0?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Cela d\u00e9pend de votre application. Les bo\u00eetiers NEMA 4 sont mieux con\u00e7us pour les environnements ext\u00e9rieurs et les environnements de lavage, car ils sont plus r\u00e9sistants \u00e0 l&#039;eau et aux intemp\u00e9ries. Une utilisation int\u00e9rieure moins co\u00fbteuse avec une exposition limit\u00e9e \u00e0 l&#039;eau n\u00e9cessite des bo\u00eetiers NEMA 12. En choisissant le bo\u00eetier adapt\u00e9, votre \u00e9quipement sera prot\u00e9g\u00e9 de mani\u00e8re optimale.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_a_NEMA_12_enclosure_waterproof\"><\/span><b style=\"font-style: inherit;\">Un bo\u00eetier NEMA 12 est-il \u00e9tanche ?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Les bo\u00eetiers NEMA 12 ne sont pas \u00e9tanches. Ils prot\u00e8gent contre la poussi\u00e8re, la salet\u00e9 et l&#039;exposition aux liquides non pressuris\u00e9s, tels que les gouttes ou les \u00e9claboussures. Cependant, ils ne peuvent pas \u00eatre utilis\u00e9s \u00e0 l&#039;ext\u00e9rieur ni dans la plupart des endroits tr\u00e8s humides. Cependant, un bo\u00eetier NEMA 4 constitue un meilleur choix pour une protection compl\u00e8te contre l&#039;eau.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding the differences between NEMA 12 vs NEMA 4 is important when selecting enclosures to protect electrical parts in an industrial setting. To ensure the best results, you will need to know which type of enclosure prevents dust, water, and other hazards. What are NEMA 4 Enclosures? Your NEMA 4 enclosures offer protection against dust, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":46122,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"disabled","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46118","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NEMA 12 vs NEMA 4 Enclosures \u2013 What You Need to Know - KDM Steel<\/title>\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.kdmsteel.com\/fr\/nema-12-contre-nema-4\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NEMA 12 vs NEMA 4 Enclosures \u2013 What You Need to Know - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"Understanding the differences between NEMA 12 vs NEMA 4 is important when selecting enclosures to protect electrical parts in an industrial setting. 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