{"id":1397,"date":"2026-09-11T01:00:00","date_gmt":"2026-09-11T01:00:00","guid":{"rendered":"https:\/\/mordio.com\/?p=1397"},"modified":"2026-07-17T09:22:13","modified_gmt":"2026-07-17T09:22:13","slug":"spst-spdt-dpst-dpdt-switches-contact-arrangement-industrial-control","status":"publish","type":"post","link":"https:\/\/mordio.com\/fr\/spst-spdt-dpst-dpdt-switches-contact-arrangement-industrial-control\/","title":{"rendered":"Interrupteurs SPST vs SPDT vs DPST vs DPDT : Disposition des contacts et application dans les armoires de commande industrielles"},"content":{"rendered":"<p>La s\u00e9lection du bon interrupteur pour une armoire de commande industrielle n\u00e9cessite de comprendre les dispositions des contacts et les exigences de charge. Les ing\u00e9nieurs choisissent souvent entre les interrupteurs SPST, SPDT, DPST et DPDT. Cet article explique chaque type, sa configuration de contacts et ses applications typiques dans les environnements industriels. Nous faisons \u00e9galement r\u00e9f\u00e9rence aux solutions d'interrupteurs MORDIO pour une mise en \u0153uvre pratique.<\/p>\n<h2>Qu'est-ce qu'une disposition de contacts ?<\/h2>\n<p>A switch contact arrangement defines how many poles and throws the switch has. &#8220;Pole&#8221; refers to the number of separate circuits the switch can control, while &#8220;throw&#8221; refers to the number of positions each pole can connect to. Common arrangements are SPST, SPDT, DPST, and DPDT. Understanding these is critical for designing safe and efficient control circuits.<\/p>\n<h2>Interrupteur SPST : Unipolaire unidirectionnel<\/h2>\n<p>Un interrupteur SPST poss\u00e8de un p\u00f4le et une direction. C'est un simple interrupteur marche\/arr\u00eat qui connecte ou d\u00e9connecte un seul circuit. Dans les armoires de commande industrielles, les interrupteurs SPST sont utilis\u00e9s pour l'isolation de puissance de base, les circuits d'arr\u00eat d'urgence (lorsqu'ils sont c\u00e2bl\u00e9s normalement ferm\u00e9s) ou le contr\u00f4le de voyants lumineux. Ils sont \u00e9conomiques et faciles \u00e0 c\u00e2bler.<\/p>\n<p>Cependant, les interrupteurs SPST ne peuvent pas inverser la polarit\u00e9 ni s\u00e9lectionner entre deux charges. Ils conviennent aux applications de faible complexit\u00e9 o\u00f9 seul un contr\u00f4le marche\/arr\u00eat est n\u00e9cessaire. MORDIO propose des interrupteurs SPST robustes avec des calibres allant jusqu'\u00e0 16 A sous 250 V CA, conformes aux normes CE et IEC.<\/p>\n<h2>Interrupteur SPDT : Unipolaire bidirectionnel<\/h2>\n<p>Un interrupteur SPDT poss\u00e8de un p\u00f4le qui peut se connecter \u00e0 l'une des deux directions. Cela permet de commuter entre deux circuits ou de s\u00e9lectionner l'une des deux charges. Dans les armoires industrielles, les interrupteurs SPDT sont utilis\u00e9s pour la s\u00e9lection de mode (par exemple, automatique vs manuel), l'inversion de sens de moteur (avec verrouillage appropri\u00e9) ou comme interrupteurs de transfert pour les alimentations redondantes.<\/p>\n<p>SPDT switches provide more flexibility than SPST but require careful wiring to avoid short circuits. They are often used in control logic circuits and can be found in MORDIO&#8217;s industrial switch series, which features silver alloy contacts for reliable low-current switching.<\/p>\n<h2>Interrupteur DPST : Bipolaire unidirectionnel<\/h2>\n<p>Un interrupteur DPST poss\u00e8de deux p\u00f4les et une direction. Il peut connecter ou d\u00e9connecter simultan\u00e9ment deux circuits ind\u00e9pendants avec un seul actionneur. Ceci est utile pour commuter \u00e0 la fois les conducteurs de phase et de neutre dans un circuit CA monophas\u00e9, assurant une isolation compl\u00e8te. Dans les armoires de commande industrielles, les interrupteurs DPST sont utilis\u00e9s pour les sectionneurs principaux, le contr\u00f4le de chauffage et les circuits de s\u00e9curit\u00e9 \u00e0 double canal.<\/p>\n<p>DPST switches offer improved safety over SPST by breaking both conductors. They are available in various current ratings and mounting styles. MORDIO&#8217;s DPST switches comply with UL and NEMA standards, ensuring durability in harsh environments.<\/p>\n<h2>Interrupteur DPDT : Bipolaire bidirectionnel<\/h2>\n<p>Un interrupteur DPDT poss\u00e8de deux p\u00f4les et deux directions. Il peut commander deux circuits s\u00e9par\u00e9s, chacun avec deux connexions possibles. Cette configuration est id\u00e9ale pour inverser le sens d'un moteur (en inversant la polarit\u00e9), commuter entre deux sources d'alimentation ou s\u00e9lectionner entre deux ensembles de charges. Dans les armoires de commande industrielles, les interrupteurs DPDT sont courants dans les circuits en pont H, l'inversion de phase et la s\u00e9lection de syst\u00e8mes redondants.<\/p>\n<p>DPDT switches offer maximum flexibility but require more panel space and wiring attention. They are often used in advanced control schemes. MORDIO&#8217;s DPDT switches feature high mechanical life (over 100,000 cycles) and are suitable for both AC and DC applications.<\/p>\n<h2>Comparaison : SPST vs SPDT vs DPST vs DPDT<\/h2>\n<ul>\n<li>SPST : 1 p\u00f4le, 1 direction \u2013 marche\/arr\u00eat simple pour un seul circuit.<\/li>\n<li>SPDT : 1 p\u00f4le, 2 directions \u2013 s\u00e9lectionne entre deux circuits.<\/li>\n<li>DPST : 2 p\u00f4les, 1 direction \u2013 commute deux circuits simultan\u00e9ment.<\/li>\n<li>DPDT : 2 p\u00f4les, 2 directions \u2013 commande deux circuits avec deux positions chacun.<\/li>\n<\/ul>\n<p>Lors du choix d'un interrupteur, tenez compte du nombre de circuits \u00e0 commander, de la n\u00e9cessit\u00e9 d'une inversion de polarit\u00e9 et des exigences de s\u00e9curit\u00e9. Suivez toujours les codes \u00e9lectriques locaux et consultez un \u00e9lectricien qualifi\u00e9 pour l'installation.<\/p>\n<h2>Application dans les armoires de commande industrielles<\/h2>\n<p>Les armoires de commande industrielles int\u00e8grent souvent plusieurs types d'interrupteurs pour diff\u00e9rentes fonctions. Par exemple, un sectionneur principal peut utiliser un interrupteur DPST, tandis qu'un s\u00e9lecteur de mode utilise un SPDT. Les d\u00e9marreurs de moteur emploient fr\u00e9quemment des interrupteurs DPDT pour l'inversion. Comprendre les dispositions des contacts aide les ing\u00e9nieurs \u00e0 concevoir des armoires \u00e0 la fois fonctionnelles et conformes aux normes telles que IEC 60947 et UL 508.<\/p>\n<p>MORDIO fournit des interrupteurs muraux et des prises pour les march\u00e9s de style britannique, europ\u00e9en et am\u00e9ricain et soutient les discussions OEM\/ODM. Les acheteurs doivent confirmer les sp\u00e9cifications exactes du produit, la certification applicable, la documentation de test, le MOQ et le d\u00e9lai de livraison pour chaque projet avec l'\u00e9quipe MORDIO avant de commander.<\/p>\n<h2>Consid\u00e9rations de s\u00e9curit\u00e9<\/h2>\n<p>Toujours d\u00e9sexciter les circuits avant d'installer ou de remplacer des interrupteurs. Utilisez des interrupteurs calibr\u00e9s pour la tension et le courant de l'application. Pour les charges inductives, envisagez un d\u00e9classement ou l'utilisation d'interrupteurs avec des calibres plus \u00e9lev\u00e9s. Suivez les codes et r\u00e9glementations \u00e9lectriques locaux. L'installation doit \u00eatre effectu\u00e9e par un \u00e9lectricien qualifi\u00e9.<\/p>\n<p>Les interrupteurs MORDIO sont con\u00e7us avec la s\u00e9curit\u00e9 \u00e0 l'esprit, utilisant des mat\u00e9riaux ignifuges et des m\u00e9canismes de contact fiables. Pour plus d'informations sur les certifications, visitez la page des certificats MORDIO.<\/p>\n<h2>Conclusion<\/h2>\n<p>Le choix entre les interrupteurs SPST, SPDT, DPST et DPDT d\u00e9pend des exigences de commande sp\u00e9cifiques de votre armoire industrielle. Chaque disposition de contacts offre des avantages distincts. En comprenant ces diff\u00e9rences, les ing\u00e9nieurs peuvent concevoir des syst\u00e8mes de commande efficaces et s\u00fbrs. Pour des interrupteurs de haute qualit\u00e9 r\u00e9pondant aux normes internationales, consid\u00e9rez les produits MORDIO. En savoir plus sur MORDIO en tant que fabricant.<\/p>\n<p>Avant d'approuver une commande, transformez les exigences discut\u00e9es ci-dessus en un cahier des charges \u00e9crit. Enregistrez le march\u00e9 cible, la norme applicable, la tension et le courant nominaux, les mat\u00e9riaux, les dimensions, la conception des bornes, l'emballage, l'\u00e9tiquetage, la m\u00e9thode d'approbation des \u00e9chantillons, le niveau d'inspection et les documents requis avant exp\u00e9dition. Demandez au fournisseur d'identifier par \u00e9crit toute hypoth\u00e8se ou exception. Conservez un \u00e9chantillon approuv\u00e9 et un dessin sous contr\u00f4le de r\u00e9vision comme r\u00e9f\u00e9rence pour la production et l'inspection finale. Ce processus ne remplace pas la certification ou l'examen technique local, mais il donne aux acheteurs et aux fournisseurs une liste de contr\u00f4le commune et r\u00e9duit les malentendus \u00e9vitables lors du devis, de l'\u00e9chantillonnage, de la production et de la livraison.<\/p>\n<p>Explore <a href=\"https:\/\/mordio.com\/fr\/\">MORDIO wall switch and socket solutions<\/a>, ou <a href=\"https:\/\/mordio.com\/fr\/contact\/\">contact the team<\/a> to discuss specifications, samples, documentation, MOQ, and lead times for your market.<\/p>","protected":false},"excerpt":{"rendered":"<p>Selecting the right switch for an industrial control panel requires understanding contact arrangements and load requirements. Engineers often choose between SPST, SPDT, DPST, and DPDT switches. This article explains each type, its contact configuration, and typical applications in industrial environments. We also refer to MORDIO switch solutions for practical implementation. What Is a Contact Arrangement? [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1087,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[1365,1164,1163,1327,1162,1161],"class_list":["post-1397","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-contact-arrangement","tag-dpdt","tag-dpst","tag-industrial-control","tag-spdt","tag-spst"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SPST SPDT DPST DPDT Contact Arrangement Industrial Control<\/title>\n<meta name=\"description\" content=\"Learn SPST, SPDT, DPST, DPDT switch contact arrangements and their applications in industrial control panels. Practical engineering guide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mordio.com\/fr\/spst-spdt-dpst-dpdt-switches-contact-arrangement-industrial-control\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SPST SPDT DPST DPDT Contact Arrangement Industrial Control\" \/>\n<meta property=\"og:description\" content=\"Learn SPST, SPDT, DPST, DPDT switch contact arrangements and their applications in industrial control panels. 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Engineers often choose between SPST, SPDT, DPST, and DPDT switches. This article explains each type, its contact configuration, and typical applications in industrial environments. We also refer to MORDIO switch solutions for practical implementation. What Is a Contact Arrangement?\u2026","yoast_seo_title":"SPST SPDT DPST DPDT Contact Arrangement Industrial Control","yoast_seo_desc":"Learn SPST, SPDT, DPST, DPDT switch contact arrangements and their applications in industrial control panels. 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