{"id":4777,"date":"2026-10-21T11:51:38","date_gmt":"2026-10-21T03:51:38","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=4777"},"modified":"2026-10-21T11:51:43","modified_gmt":"2026-10-21T03:51:43","slug":"dc-switch-disconnector-vs-dc-circuit-breaker","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/fr\/blog\/dc-switch-disconnector-vs-dc-circuit-breaker\/","title":{"rendered":"Sectionneur CC vs. Disjoncteur CC : 6 Diff\u00e9rences Cl\u00e9s"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Dans un syst\u00e8me photovolta\u00efque solaire, un <strong>sectionneur CC vs disjoncteur CC<\/strong> La comparaison aide les ing\u00e9nieurs et les acheteurs \u00e0 comprendre deux fonctions diff\u00e9rentes : la commutation et l'isolement par rapport \u00e0 la protection automatique contre les surintensit\u00e9s. Bien que ces appareils puissent sembler similaires, choisir le mauvais peut laisser un circuit sans la protection dont il a besoin ou rendre la maintenance plus difficile.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La diff\u00e9rence entre un <strong>sectionneur CC et un disjoncteur CC<\/strong> se r\u00e9sume \u00e0 leurs fonctions pr\u00e9vues : un sectionneur assure la commutation et l'isolement dans ses conditions de fonctionnement nominales, tandis qu'un disjoncteur est con\u00e7u pour interrompre automatiquement les surintensit\u00e9s et les courts-circuits sp\u00e9cifi\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cependant, la distinction n'est pas toujours aussi simple que le nom du produit le sugg\u00e8re. Certains appareils combinent des fonctions de commutation et d'isolement, et leurs capacit\u00e9s r\u00e9elles d\u00e9pendent de leurs caract\u00e9ristiques nominales, de leur conception et des normes applicables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce guide compare les deux appareils, explique six diff\u00e9rences pratiques et montre comment les \u00e9valuer dans les syst\u00e8mes photovolta\u00efques (PV), les bo\u00eetes de jonction et d'autres applications CC.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Le point essentiel \u00e0 retenir :<\/strong> Un sectionneur commutateur n'est pas automatiquement un dispositif de protection contre les courts-circuits, et un disjoncteur ne doit pas \u00eatre automatiquement consid\u00e9r\u00e9 comme fournissant toutes les fonctions d'isolement requises pour la maintenance.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1. Sectionneur commutateur CC vs. Disjoncteur CC : Comparaison rapide<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un sectionneur commutateur CC est g\u00e9n\u00e9ralement actionn\u00e9 manuellement pour connecter ou d\u00e9connecter un circuit dans des conditions sp\u00e9cifi\u00e9es. Un disjoncteur CC peut ouvrir automatiquement un circuit lorsque son m\u00e9canisme de protection d\u00e9tecte une surintensit\u00e9 dans ses caract\u00e9ristiques de fonctionnement.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Point de comparaison<\/th><th>Interrupteur DC D\u00e9connecteur<\/th><th>Disjoncteur DC<\/th><\/tr><tr><td>Fonction principale<\/td><td>Commutation et isolement \u00e9lectrique, selon sa puissance nominale<\/td><td>Protection contre les surintensit\u00e9s et commutation de circuit<\/td><\/tr><tr><td>Commutation de charge normale<\/td><td>Oui, si homologu\u00e9 pour l'usage pr\u00e9vu<\/td><td>Oui, dans ses conditions de fonctionnement nominales<\/td><\/tr><tr><td>D\u00e9clenchement automatique contre les surcharges<\/td><td>Normalement non fourni<\/td><td>Disponible sur les mod\u00e8les con\u00e7us pour la protection contre les surcharges<\/td><\/tr><tr><td>Interruption de court-circuit<\/td><td>Pas sa fonction autonome normale<\/td><td>Oui, dans la limite de son pouvoir de coupure assign\u00e9<\/td><\/tr><tr><td>Fonction d'isolement<\/td><td>Depends on the device&#8217;s declared isolation capability<\/td><td>D\u00e9pend de sa conception, de son marquage et des exigences applicables<\/td><\/tr><tr><td>Fonctionnement typique<\/td><td>Poign\u00e9e manuelle ou m\u00e9canisme rotatif<\/td><td>Commande manuelle et d\u00e9clenchement automatique<\/td><\/tr><tr><td>Dispositifs de verrouillage<\/td><td>Peut supporter un cadenas en position OFF<\/td><td>D\u00e9pend du mod\u00e8le et des accessoires<\/td><\/tr><tr><td>Famille de normes CEI pertinente<\/td><td>IEC 60947-3<\/td><td>CEI 60947-2 pour les disjoncteurs industriels<\/td><\/tr><tr><td>Application photovolta\u00efque typique<\/td><td>D\u00e9connexion planifi\u00e9e et isolation pour maintenance<\/td><td>Protection des branches ou d\u00e9parts appropri\u00e9s<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The comparison describes typical product functions rather than every device on the market. Always check the exact model&#8217;s datasheet and certification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lors de l'\u00e9valuation d'un <strong>sectionneur CC vs disjoncteur CC<\/strong>, ne comparez pas les produits uniquement en fonction de leur tension ou de leur courant nominal. V\u00e9rifiez si l'appareil est con\u00e7u pour la commutation de charge, l'isolement \u00e9lectrique, le d\u00e9clenchement automatique ou l'interruption de court-circuit. Ces fonctions doivent correspondre aux exigences r\u00e9elles du circuit CC.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-vs-dc-mcb-products-1024x683.png\" alt=\"KUANGYA DC switch disconnector and DC MCB shown side by side\" class=\"wp-image-4779\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-vs-dc-mcb-products-1024x683.png 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-vs-dc-mcb-products-300x200.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-vs-dc-mcb-products-768x512.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-vs-dc-mcb-products-18x12.png 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-vs-dc-mcb-products-600x400.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-vs-dc-mcb-products.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Les deux appareils peuvent sembler similaires, mais leurs fonctions nominales et leurs capacit\u00e9s de protection diff\u00e8rent.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Important :<\/strong> Un sectionneur de base destin\u00e9 uniquement \u00e0 l'isolement ne doit pas \u00eatre trait\u00e9 comme un interrupteur de coupure de charge. De m\u00eame, il ne faut pas s'attendre \u00e0 ce qu'un sectionneur-interrupteur interrompe un court-circuit, \u00e0 moins que sa d\u00e9signation sp\u00e9cifique ou un ensemble de protection approuv\u00e9 ne lui permette cette fonction.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Six diff\u00e9rences cl\u00e9s que les ing\u00e9nieurs et les acheteurs doivent comprendre<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Diff\u00e9rence 1 : Isolement vs. Protection contre les surintensit\u00e9s<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La distinction la plus importante r\u00e9side dans la fonction pour laquelle chaque appareil est con\u00e7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un sectionneur-interrupteur CC offre un moyen d\u00e9lib\u00e9r\u00e9 d'ouvrir un circuit. Pour les options de produits et les d\u00e9tails d'application, explorez notre <a href=\"https:\/\/cnkuangya.com\/fr\/dc-switch-disconnector\/\">Interrupteurs-sectionneurs \u00e0 courant continu<\/a> pour les applications solaires photovolta\u00efques, de stockage d'\u00e9nergie et autres applications CC. Il peut aider \u00e0 \u00e9tablir un point d'isolement d\u00e9fini avant l'inspection, la maintenance ou le remplacement de l'\u00e9quipement, \u00e0 condition que l'appareil soit adapt\u00e9 \u00e0 l'application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un disjoncteur CC prot\u00e8ge un circuit correctement con\u00e7u contre des conditions de surintensit\u00e9 sp\u00e9cifi\u00e9es. Selon ses caract\u00e9ristiques de d\u00e9clenchement, il peut r\u00e9agir aux surcharges et aux courts-circuits et interrompre le courant dans la limite de sa capacit\u00e9 nominale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consid\u00e9rons l'exemple suivant :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un bo\u00eetier de combinaison solaire alimente un circuit CC connect\u00e9 \u00e0 un onduleur. Lors d'une maintenance, un technicien doit isoler le circuit concern\u00e9. En cas de courant anormal, le circuit a \u00e9galement besoin d'un \u00e9quipement de protection appropri\u00e9 pour interrompre le d\u00e9faut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce sont des exigences li\u00e9es mais diff\u00e9rentes. La conception doit sp\u00e9cifier le dispositif d'isolement et la protection contre les surintensit\u00e9s appropri\u00e9s, plut\u00f4t que d'attendre qu'un seul composant remplisse des fonctions pour lesquelles il n'a pas \u00e9t\u00e9 con\u00e7u.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-vs-circuit-breaker-functions-1024x683.png\" alt=\"Functional comparison of DC switch disconnector isolation and DC circuit breaker overcurrent protection\" class=\"wp-image-4780\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-vs-circuit-breaker-functions-1024x683.png 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-vs-circuit-breaker-functions-300x200.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-vs-circuit-breaker-functions-768x512.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-vs-circuit-breaker-functions-18x12.png 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-vs-circuit-breaker-functions-600x400.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-vs-circuit-breaker-functions.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">L'isolement et la protection automatique contre les surintensit\u00e9s sont des fonctions diff\u00e9rentes qui doivent \u00eatre \u00e9valu\u00e9es s\u00e9par\u00e9ment.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Diff\u00e9rence 2 : Peut-il couper le courant de charge en toute s\u00e9curit\u00e9 ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tout interrupteur n'est pas adapt\u00e9 pour ouvrir un circuit CC sous charge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le courant CC ne pr\u00e9sente pas les passages par z\u00e9ro p\u00e9riodiques naturels que l'on trouve dans le courant CA. Lorsque les contacts CC se s\u00e9parent, un arc \u00e9lectrique peut continuer \u00e0 conduire le courant, \u00e0 moins que le dispositif ne soit con\u00e7u pour l'interrompre dans les conditions sp\u00e9cifi\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un sectionneur-interrupteur con\u00e7u pour le courant de commutation CC pertinent peut ouvrir un circuit dans ses limites d\u00e9clar\u00e9es. Un sectionneur destin\u00e9 \u00e0 l'isolement hors charge peut n\u00e9cessiter que le courant soit d'abord interrompu par un autre dispositif appropri\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avant de s\u00e9lectionner un appareil, v\u00e9rifiez :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La tension op\u00e9rationnelle assign\u00e9e (Ue).<\/li>\n\n\n\n<li>Le courant op\u00e9rationnel assign\u00e9 (Ie).<\/li>\n\n\n\n<li>La cat\u00e9gorie d'utilisation applicable.<\/li>\n\n\n\n<li>Les conditions de commutation permises.<\/li>\n\n\n\n<li>La configuration de p\u00f4le et de c\u00e2blage requise.<\/li>\n\n\n\n<li>Les instructions du fabricant pour l'ouverture et la fermeture du circuit.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ne supposez pas qu'une poign\u00e9e rotative, une haute tension imprim\u00e9e sur l'\u00e9tiquette ou un marquage ON\/OFF visible prouve qu'un appareil peut interrompre tout type de charge CC.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Diff\u00e9rence 3 : Sectionneur CC vs Disjoncteur CC pour la protection contre les courts-circuits<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C'est l\u00e0 que la distinction devient particuli\u00e8rement importante.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un disjoncteur CC est con\u00e7u pour interrompre des courants de d\u00e9faut sp\u00e9cifi\u00e9s dans le respect de sa capacit\u00e9 de coupure nominale et des conditions de fonctionnement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When evaluating a circuit breaker for a DC application, review its rated breaking capacity and compatibility with the system&#8217;s prospective fault current. See our <a href=\"https:\/\/cnkuangya.com\/fr\/dc-mcb\/\">gamme de disjoncteurs miniatures CC<\/a> pour les options de produits et les sp\u00e9cifications nominales.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-circuit-breaker-arc-interruption-principle-1024x683.png\" alt=\"Conceptual illustration of DC arc interruption in a circuit breaker\" class=\"wp-image-4781\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-circuit-breaker-arc-interruption-principle-1024x683.png 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-circuit-breaker-arc-interruption-principle-300x200.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-circuit-breaker-arc-interruption-principle-768x512.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-circuit-breaker-arc-interruption-principle-18x12.png 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-circuit-breaker-arc-interruption-principle-600x400.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-circuit-breaker-arc-interruption-principle.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Les disjoncteurs CC doivent \u00eatre dimensionn\u00e9s pour la tension pr\u00e9vue et le devoir d'interruption de d\u00e9faut.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un sectionneur, en revanche, n'est normalement pas destin\u00e9 \u00e0 fournir une protection automatique ind\u00e9pendante contre les courts-circuits. Il peut avoir une capacit\u00e9 de tenue au courant de court-circuit de courte dur\u00e9e sp\u00e9cifi\u00e9e ou une capacit\u00e9 de courant de court-circuit conditionnelle lorsqu'il est utilis\u00e9 avec un dispositif de protection d\u00e9sign\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces valeurs nominales signifient des choses diff\u00e9rentes.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Valeur nominale ou caract\u00e9ristique<\/th><th>Ce que cela vous indique<\/th><th>Ce que cela ne signifie pas automatiquement<\/th><\/tr><tr><td>Tension nominale de fonctionnement<\/td><td>Tension \u00e0 laquelle l'appareil est con\u00e7u pour fonctionner dans des conditions sp\u00e9cifi\u00e9es<\/td><td>Que l'appareil peut interrompre tout d\u00e9faut \u00e0 cette tension<\/td><\/tr><tr><td>Courant nominal<\/td><td>Courant autoris\u00e9 dans les conditions indiqu\u00e9es<\/td><td>Que les surcharges d\u00e9clencheront un d\u00e9clenchement automatique<\/td><\/tr><tr><td>Capacit\u00e9 de rupture<\/td><td>Courant de d\u00e9faut qu'un appareil de protection peut interrompre dans des conditions sp\u00e9cifi\u00e9es<\/td><td>Que l'appareil convient \u00e0 toute tension CC ou configuration de circuit<\/td><\/tr><tr><td>Courant de courte dur\u00e9e admissible<\/td><td>Courant de d\u00e9faut que l'appareil peut supporter pendant une dur\u00e9e sp\u00e9cifi\u00e9e<\/td><td>Qu'il peut \u00e9liminer le d\u00e9faut ind\u00e9pendamment<\/td><\/tr><tr><td>Pouvoir de coupure conditionnel<\/td><td>Performances lors de l'utilisation avec le dispositif de protection sp\u00e9cifi\u00e9<\/td><td>Que tout fusible ou disjoncteur peut \u00eatre substitu\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pour un sectionneur-commutateur CC, v\u00e9rifier le pouvoir de tenue au court-circuit d\u00e9clar\u00e9 ou la capacit\u00e9 conditionnelle et le dispositif de protection amont requis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour un disjoncteur CC, v\u00e9rifier le pouvoir de coupure CC assign\u00e9 et confirmer qu'il est suffisant pour le courant de court-circuit pr\u00e9sum\u00e9 au point d'installation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Diff\u00e9rence 4 : D\u00e9clenchement automatique vs. Man\u0153uvre manuelle<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un sectionneur-commutateur conventionnel est actionn\u00e9 manuellement. Il ne d\u00e9tecte normalement pas de surcharge et ne d\u00e9clenche pas automatiquement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un disjoncteur dot\u00e9 de fonctions de protection appropri\u00e9es peut ouvrir un circuit lorsque son m\u00e9canisme de d\u00e9clenchement d\u00e9tecte un d\u00e9faut qualifi\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette diff\u00e9rence affecte le fonctionnement du syst\u00e8me.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Situation<\/th><th>Interrupteur D\u00e9connecteur<\/th><th>Disjoncteur DC<\/th><\/tr><tr><td>Maintenance planifi\u00e9e<\/td><td>Fournit un point d'isolement manuel appropri\u00e9<\/td><td>Peut assurer la commutation et l'isolement si sp\u00e9cifiquement adapt\u00e9<\/td><\/tr><tr><td>Surcharge soutenue<\/td><td>Does not normally trip automatically<\/td><td>Can trip if its protection characteristics detect the overload<\/td><\/tr><tr><td>Court-circuit<\/td><td>Must not be relied upon as standalone fault protection<\/td><td>Can interrupt the fault within its rated capability<\/td><\/tr><tr><td>Surveillance \u00e0 distance<\/td><td>Requires suitable auxiliary contacts or additional equipment<\/td><td>May support auxiliary contacts or electronic monitoring, depending on model<\/td><\/tr><tr><td>Automatic fault response<\/td><td>Normalement non fourni<\/td><td>Available according to the protection design<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A device&#8217;s ability to be switched remotely is not the same as its ability to provide automatic fault protection. Remote actuation, status monitoring, and protective tripping should be evaluated separately.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Difference 5: Pole Configuration and DC Voltage Ratings<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A 2-pole device is not automatically equivalent to a 4-pole device, and a voltage rating printed on a product should not be interpreted without checking the specified wiring arrangement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some DC switching devices use multiple contacts in series to achieve their declared voltage or interruption capability. In such cases, the manufacturer&#8217;s wiring diagram must be followed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, a device rated for a particular DC voltage with a specified series-pole connection may not retain that rating when wired differently.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When comparing a DC switch disconnector with a DC circuit breaker, verify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The maximum system voltage, including the relevant worst-case operating conditions.<\/li>\n\n\n\n<li>The number of poles required by the system design.<\/li>\n\n\n\n<li>The approved connection diagram.<\/li>\n\n\n\n<li>Current-carrying and interruption ratings.<\/li>\n\n\n\n<li>Polarity or current-direction restrictions, where applicable.<\/li>\n\n\n\n<li>Environmental derating and terminal requirements.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Do not choose a device based on \u201c2P,\u201d \u201c4P,\u201d or \u201c1500V DC\u201d alone.<\/strong> The complete combination of voltage, current, pole arrangement, and switching duty must match the intended application.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Difference 6: Isolation Requirements and Maintenance Safety<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Maintenance safety involves more than turning a handle to OFF.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A suitable isolation arrangement should help personnel identify the correct circuit, prevent unintended reconnection, and follow the applicable safe-working procedure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A DC switch disconnector may provide a lockable OFF position, but this feature must be confirmed for the specific model. A circuit breaker may also support locking accessories, although its suitability as the required isolation device must be verified separately.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For a planned maintenance task, consider the following:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Identify all energy sources and possible backfeed paths.<\/li>\n\n\n\n<li>Follow the equipment manufacturer&#8217;s shutdown procedure.<\/li>\n\n\n\n<li>Use the designated devices to interrupt current and isolate the relevant circuit.<\/li>\n\n\n\n<li>Apply lockout\/tagout procedures where required.<\/li>\n\n\n\n<li>Verify the absence of voltage using the approved procedure and suitable test equipment.<\/li>\n\n\n\n<li>Follow the applicable site safety rules before starting work.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">An OFF indication alone is not proof that an electrical circuit is safe to touch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. How the Two Devices Work Together in a Solar PV System<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In many photovoltaic installations, the switch disconnector and circuit breaker serve complementary roles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A typical protection arrangement may include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fusible gPV :<\/strong> Protects suitable PV strings against specified overcurrent and reverse-current faults.<\/li>\n\n\n\n<li><strong>Disjoncteur CC :<\/strong> Provides overcurrent protection for an appropriately designed branch or feeder.<\/li>\n\n\n\n<li><strong>Interrupteur-sectionneur CC :<\/strong> Provides a defined switching and isolation point for maintenance.<\/li>\n\n\n\n<li><strong>DC surge protective device (SPD):<\/strong> Limits transient overvoltage to protect connected equipment.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/pv-combiner-box-dc-protection-components-1024x683.png\" alt=\"DC switch disconnector, DC MCB, SPD and fuse protection components in a PV combiner box\" class=\"wp-image-4782\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/pv-combiner-box-dc-protection-components-1024x683.png 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/pv-combiner-box-dc-protection-components-300x200.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/pv-combiner-box-dc-protection-components-768x512.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/pv-combiner-box-dc-protection-components-18x12.png 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/pv-combiner-box-dc-protection-components-600x400.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/pv-combiner-box-dc-protection-components.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">PV protection components must be coordinated according to the system design and each device&#8217;s rated function.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The exact arrangement depends on the system architecture, inverter requirements, prospective fault current, earthing arrangement, and applicable standards. For a closer look at how fuses, SPDs, disconnect switches, and other components work together, read our <a href=\"https:\/\/cnkuangya.com\/fr\/blog\/solar-combiner-box-guide\/\">solar combiner box protection and maintenance guide<\/a>. Not every installation requires all four devices in the same location.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Example: Protection in a PV Combiner Box<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Composant<\/th><th>Objectif principal<\/th><th>Selection Check<\/th><\/tr><tr><td>gPV fuse and fuse holder<\/td><td>PV string overcurrent protection<\/td><td>Rated voltage, current, fuse characteristic, and fault-interruption capability<\/td><\/tr><tr><td>DC SPD<\/td><td>Transient overvoltage protection<\/td><td>PV-specific rating, protection level, and applicable SPD standard<\/td><\/tr><tr><td>Interrupteur-sectionneur DC<\/td><td>Commutation et sectionnement<\/td><td>Rated DC switching duty, isolation capability, and connection arrangement<\/td><\/tr><tr><td>Disjoncteur DC<\/td><td>Overcurrent protection where required<\/td><td>Trip characteristics, rated breaking capacity, and system compatibility<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A combiner box with a fuse, SPD, and switch disconnector does not automatically provide every protective function that a circuit breaker would provide. Each component must be selected for its intended role.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For related technical guidance, see our <a href=\"https:\/\/cnkuangya.com\/fr\/blog\/solar-dc-protection-middle-east\/\">Solar DC Protection Guide<\/a> et <a href=\"https:\/\/cnkuangya.com\/fr\/blog\/solar-combiner-box-guide\/\">PV Combiner Box Guide<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Engineering Case Studies: What Can Go Wrong?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The following cases are illustrative engineering scenarios based on common equipment-selection and system-coordination issues. They are not presented as documented KUANGYA customer incidents or laboratory test results.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-selection-case-1024x683.png\" alt=\"Electrical engineer checking DC switch disconnector and circuit breaker ratings in a cabinet\" class=\"wp-image-4783\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-selection-case-1024x683.png 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-selection-case-300x200.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-selection-case-768x512.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-selection-case-18x12.png 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-selection-case-600x400.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-selection-case.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Correct device selection requires checking voltage, current, fault conditions, and the manufacturer&#8217;s declared ratings.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Case 1: A Switch Disconnector Is Expected to Clear a Short Circuit<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Situation<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A panel designer selects a DC switch disconnector because its voltage and current ratings appear to match the circuit. The design does not include a suitable protective device for the relevant fault condition.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What is wrong?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The selected switch may be suitable for manual switching and isolation but may not have the capability to interrupt the prospective short-circuit current.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Corrective action<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Determine the prospective short-circuit current.<\/li>\n\n\n\n<li>Select suitable fuse or circuit-breaker protection.<\/li>\n\n\n\n<li>Verify the switch&#8217;s short-circuit withstand or conditional rating.<\/li>\n\n\n\n<li>Confirm that the complete protective arrangement has the required ratings.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lesson:<\/strong> A matching voltage and current label does not prove that a switch can clear a short circuit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Case 2: An AC-Rated Device Is Used in a DC Circuit<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Situation<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A buyer chooses an AC-rated switching device because its current rating appears sufficient for a solar DC circuit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What is wrong?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The device may not have been tested or rated to interrupt the specified DC current. Its arc-extinguishing design and contact arrangement may be unsuitable for the application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Corrective action<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use a device with an explicit DC rating for the actual system voltage, current, and switching duty. Follow the manufacturer&#8217;s approved wiring diagram.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lesson:<\/strong> AC and DC ratings are not interchangeable unless the manufacturer explicitly declares the relevant capability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Case 3: A Circuit Breaker Is Assumed to Meet Every Isolation Requirement<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Situation<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A maintenance team assumes that switching a circuit breaker to OFF automatically satisfies all site isolation requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What is wrong?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The breaker may not provide every required isolation, locking, or work-control feature for the particular installation. Other energy sources or backfeed paths may also remain present.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Corrective action<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check the device&#8217;s isolation suitability, locking provisions, circuit arrangement, and site procedures. Use the designated isolation method and verify the absence of voltage before work.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lesson:<\/strong> Protection, isolation, and safe-work procedures are related but distinct requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Which Device Should You Choose?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use the following guide as a starting point, then confirm the choice against the applicable standard and the manufacturer&#8217;s documentation.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Application Requirement<\/th><th>Appropriate Direction<\/th><\/tr><tr><td>Manual disconnection for planned maintenance<\/td><td>A suitable DC switch disconnector or isolator<\/td><\/tr><tr><td>Automatic overload protection<\/td><td>A suitably rated DC circuit breaker or other approved protective device<\/td><\/tr><tr><td>Interruption de court-circuit<\/td><td>A protective device with sufficient DC breaking capacity<\/td><\/tr><tr><td>Both switching and isolation<\/td><td>A switch disconnector rated for the required duty, or another approved arrangement<\/td><\/tr><tr><td>PV string reverse-current protection<\/td><td>A correctly selected gPV fuse where required by the design<\/td><\/tr><tr><td>Transient overvoltage protection<\/td><td>A suitably rated DC SPD<\/td><\/tr><tr><td>Isolation and overcurrent protection<\/td><td>A coordinated combination of devices, unless an approved integrated solution provides the required functions<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For photovoltaic projects, the decision should be based on the system&#8217;s maximum DC voltage, current, prospective fault current, required isolation points, and applicable local requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A device that is suitable for one part of a PV installation may not be suitable for another.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Standards and Datasheet Checks Before Purchasing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/107159\" rel=\"noopener\">IEC 60947-3<\/a> covers switches, disconnectors, switch-disconnectors, and fuse-combination units within its scope. Buyers should check the applicable edition and the device&#8217;s declared ratings before selecting a product. <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66277\" rel=\"noopener\">IEC 60947-2<\/a> specifies requirements for circuit breakers within its scope, including relevant DC applications. Check the applicable edition and the manufacturer&#8217;s documentation to verify that the selected device meets the project&#8217;s requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The applicable edition, product scope, and any relevant product-specific requirements should be checked for the intended application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For more information about DC isolation principles and photovoltaic applications, see our <a href=\"https:\/\/cnkuangya.com\/fr\/blog\/dc-switch-disconnector-pv-safety-guide\/\">DC switch disconnector technical guide<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before issuing a purchase order, ask the supplier to confirm the following:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Checkpoint<\/th><th>Information to Request<\/th><\/tr><tr><td>Product identity<\/td><td>Exact model and intended function<\/td><\/tr><tr><td>Tension nominale<\/td><td>Rated DC voltage and any limitations<\/td><\/tr><tr><td>Current rating<\/td><td>Rated operational or continuous current under stated conditions<\/td><\/tr><tr><td>Switching duty<\/td><td>Permitted load-breaking conditions and utilization category<\/td><\/tr><tr><td>Fault performance<\/td><td>Breaking capacity for breakers; applicable withstand or conditional rating for disconnectors<\/td><\/tr><tr><td>Pole arrangement<\/td><td>Approved wiring diagram and pole configuration<\/td><\/tr><tr><td>Isolation<\/td><td>Declared isolation suitability and operating indication<\/td><\/tr><tr><td>Locking<\/td><td>Whether the OFF position can be secured, if required<\/td><\/tr><tr><td>Normes<\/td><td>Applicable standard, edition, and supporting conformity documentation<\/td><\/tr><tr><td>Adaptation \u00e0 l'environnement<\/td><td>Temperature limits, enclosure protection, terminals, and derating<\/td><\/tr><tr><td>Traceability<\/td><td>Model-specific datasheet, markings, and relevant test documentation<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-buying-checklist-1024x683.png\" alt=\"Technical checklist for selecting a DC switch disconnector or DC circuit breaker\" class=\"wp-image-4784\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-buying-checklist-1024x683.png 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-buying-checklist-300x200.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-buying-checklist-768x512.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-buying-checklist-18x12.png 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-buying-checklist-600x400.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/dc-switch-disconnector-circuit-breaker-buying-checklist.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Verify voltage, current, switching duty, fault performance, pole configuration, and standards before purchasing.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Avoid comparing suppliers solely by voltage, current, or unit price. Two products with similar front-panel markings may have different switching capabilities and short-circuit ratings.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Questions fr\u00e9quemment pos\u00e9es<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Is a DC switch disconnector the same as a DC circuit breaker?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. A switch disconnector is intended for switching and isolation within its declared ratings. A DC circuit breaker provides automatic overcurrent protection within its rated protective capability. Their functions may overlap in some respects, but the devices are not automatically interchangeable.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can a DC switch disconnector replace a circuit breaker?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not as a general rule. A switch disconnector does not normally provide standalone automatic overload and short-circuit protection. A suitable protective device must be included where required by the system design.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can a DC circuit breaker replace a switch disconnector?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not automatically. Confirm that the breaker is suitable for the required isolation function, operating conditions, and maintenance procedures.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Do both devices need a 1500V DC rating for a 1500V solar system?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Each device must be rated for the actual maximum system voltage and its intended duty. A nominal 1500V system label alone is insufficient; verify the device ratings and approved connection arrangement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Which IEC standard should buyers check?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IEC 60947-3 is relevant to switches, disconnectors, and switch-disconnectors. IEC 60947-2 is relevant to industrial circuit breakers. Other standards or requirements may apply depending on the product and installation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What information should I send a manufacturer for a quotation?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Provide the application, maximum DC voltage, operating current, prospective fault current if known, required poles, switching duty, installation environment, quantity, and any required certifications or documentation. Include the system wiring diagram when possible.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choisir le bon <strong>sectionneur CC vs disjoncteur CC<\/strong> solution starts with understanding the function each device needs to perform. A switch disconnector provides switching and isolation within its rated capabilities, while a circuit breaker provides automatic overcurrent protection within its rated breaking capacity. The final choice should match the system voltage, operating current, fault conditions, and applicable standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For solar PV systems, the right choice depends on the maximum DC voltage, operating current, prospective fault current, required isolation functions, and applicable standards. Always verify the manufacturer&#8217;s datasheet and ensure that all protective devices work together as intended.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">KUANGYA provides DC switch disconnectors and DC protection components for photovoltaic and other electrical applications. If you are selecting components for a new project, contact our team with your system specifications to discuss a suitable solution.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Explore our <a href=\"https:\/\/cnkuangya.com\/fr\/dc-switch-disconnector\/\">Interrupteur DC D\u00e9connecteur<\/a> et <a href=\"https:\/\/cnkuangya.com\/fr\/dc-mcb\/\">MCB DC<\/a> product ranges for more information.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-dc-mcb-product-range-1024x683.png\" alt=\"KUANGYA DC switch disconnector and DC MCB product range\" class=\"wp-image-4785\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-dc-mcb-product-range-1024x683.png 1024w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-dc-mcb-product-range-300x200.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-dc-mcb-product-range-768x512.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-dc-mcb-product-range-18x12.png 18w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-dc-mcb-product-range-600x400.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2026\/10\/kuangya-dc-switch-disconnector-dc-mcb-product-range.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">KUANGYA DC switching and circuit protection components for photovoltaic and other DC applications.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>In a solar PV system, a DC switch disconnector vs DC circuit breaker comparison helps engineers and buyers understand two different functions: switching and isolation versus automatic overcurrent protection. Although these devices may look similar, choosing the wrong one can leave a circuit without the protection it needs or make maintenance more difficult. The difference [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":4778,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-4777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/posts\/4777","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/comments?post=4777"}],"version-history":[{"count":1,"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/posts\/4777\/revisions"}],"predecessor-version":[{"id":4786,"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/posts\/4777\/revisions\/4786"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/media\/4778"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/media?parent=4777"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/categories?post=4777"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/fr\/wp-json\/wp\/v2\/tags?post=4777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}