{"id":17711,"date":"2025-07-05T11:16:24","date_gmt":"2025-07-05T03:16:24","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=17711"},"modified":"2025-07-29T13:09:07","modified_gmt":"2025-07-29T05:09:07","slug":"dc-solid-state-relay-what-is-it-and-how-it-works","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/fr\/dc-solid-state-relay-what-is-it-and-how-it-works\/","title":{"rendered":"Relais \u00e0 semi-conducteurs \u00e0 courant continu : Qu'est-ce que c'est et comment \u00e7a marche ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"17711\" class=\"elementor elementor-17711\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a480559 e-flex e-con-boxed e-con e-parent\" data-id=\"a480559\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-86042dc elementor-widget elementor-widget-text-editor\" data-id=\"86042dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Vous \u00eates-vous d\u00e9j\u00e0 demand\u00e9 comment contr\u00f4ler un radiateur \u00e0 courant continu de mani\u00e8re plus s\u00fbre et plus facile dans un syst\u00e8me de contr\u00f4le de la temp\u00e9rature ?<\/span><\/p><p><span style=\"font-weight: 400;\">Pour <\/span><strong><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/\">Lorentzzi<\/a><\/span><\/strong><span style=\"font-weight: 400;\">qui travaille dans le domaine des contr\u00f4les de chauffage depuis de nombreuses ann\u00e9es, la r\u00e9ponse est l'utilisation d'un relais \u00e0 semi-conducteurs \u00e0 courant continu, commun\u00e9ment appel\u00e9 SSR \u00e0 courant continu.<\/span><\/p><p><span style=\"font-weight: 400;\">Il pr\u00e9sente l'avantage de ne pas comporter de pi\u00e8ces mobiles et d'avoir un temps de r\u00e9ponse rapide.<\/span><\/p><p><span style=\"font-weight: 400;\">Dans cet article, vous apprendrez :<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qu'est-ce qu'un relais statique \u00e0 courant continu ?<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Comment cela fonctionne-t-il ?<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les avantages des relais \u00e0 semi-conducteurs \u00e0 courant continu<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Applications des relais statiques \u00e0 courant continu<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Examinons maintenant de plus pr\u00e8s les relais \u00e0 semi-conducteurs \u00e0 courant continu.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eda6b12 elementor-widget elementor-widget-heading\" data-id=\"eda6b12\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce qu'un relais statique \u00e0 courant continu ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cbdfae9 eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"cbdfae9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eicon-woocommerce.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n        <div class=\"eael-product-grid eael-product-simple grid\" id=\"eael-product-grid\" data-widget-id=\"cbdfae9\" data-page-id=\"17711\" data-nonce=\"636274bb85\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products eael-post-appender eael-post-appender-cbdfae9\" data-ssi-desktop=\"no\" data-ssi-tablet=\"no\" data-ssi-mobile=\"no\" data-layout-mode=\"grid\"> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-100dd-dc-dc-solid-state-relay-module\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-100DD-100-amps-DC-solid-state-relay-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR-100DD Relais statique 100 amp\u00e8res DC\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-100DD-100-amps-DC-solid-state-relay-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-100DD-100-amps-DC-solid-state-relay-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-100DD-100-amps-DC-solid-state-relay-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-100DD-100-amps-DC-solid-state-relay-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-100DD-100-amps-DC-solid-state-relay-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-100DD-100-amps-DC-solid-state-relay.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-100dd-dc-dc-solid-state-relay-module\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SSR 100DD DC Module relais \u00e0 semi-conducteurs DC<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-100dd-dc-dc-solid-state-relay-module\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9882\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9882\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201cSSR 100DD DC DC Solid State Relay Module\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9882\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-60dd-60a-dc-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-60DD-SSR-60A-DC-Solid-State-Relay-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR-60DD SSR 60A DC Solid State Relay (relais \u00e0 semi-conducteurs)\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-60DD-SSR-60A-DC-Solid-State-Relay-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-60DD-SSR-60A-DC-Solid-State-Relay-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-60DD-SSR-60A-DC-Solid-State-Relay-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-60DD-SSR-60A-DC-Solid-State-Relay-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-60DD-SSR-60A-DC-Solid-State-Relay-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-60DD-SSR-60A-DC-Solid-State-Relay.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-60dd-60a-dc-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SSR 60DD Relais statique 60A DC<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-60dd-60a-dc-solid-state-relay\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9866\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9866\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201cSSR 60DD 60A DC Solid State Relay\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9866\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-25dd-3-32vdc-input-dc-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-25DD-3-32VDC-control-DC-solid-state-relay-for-DC-heaters-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR-25DD Relais statique DC de contr\u00f4le 3-32VDC pour chauffages DC\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-25DD-3-32VDC-control-DC-solid-state-relay-for-DC-heaters-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-25DD-3-32VDC-control-DC-solid-state-relay-for-DC-heaters-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-25DD-3-32VDC-control-DC-solid-state-relay-for-DC-heaters-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-25DD-3-32VDC-control-DC-solid-state-relay-for-DC-heaters-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-25DD-3-32VDC-control-DC-solid-state-relay-for-DC-heaters-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-25DD-3-32VDC-control-DC-solid-state-relay-for-DC-heaters.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-25dd-3-32vdc-input-dc-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SSR-25DD, entr\u00e9e 3-32VDC DC Solid State Relay<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-25dd-3-32vdc-input-dc-solid-state-relay\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9859\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9859\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201cSSR-25DD, 3-32VDC Input DC Solid State Relay\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9859\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-10dd-dc-dc-ssr\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-10DD-10-Amps-DC3-32V-Control-DC24-220V-SSR-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR 10DD, 10 Amp\u00e8res, DC3-32V Contr\u00f4le DC24-220V SSR\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-10DD-10-Amps-DC3-32V-Control-DC24-220V-SSR-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-10DD-10-Amps-DC3-32V-Control-DC24-220V-SSR-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-10DD-10-Amps-DC3-32V-Control-DC24-220V-SSR-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-10DD-10-Amps-DC3-32V-Control-DC24-220V-SSR-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-10DD-10-Amps-DC3-32V-Control-DC24-220V-SSR-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-10DD-10-Amps-DC3-32V-Control-DC24-220V-SSR.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-10dd-dc-dc-ssr\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SSR 10DD, 10 Amp\u00e8res, DC3-32V Contr\u00f4le DC24-220V SSR<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/fr\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-10dd-dc-dc-ssr\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9827\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9827\" data-product_sku=\"\" aria-label=\"En savoir plus sur \u201cSSR 10DD, 10 Amps, DC3-32V Control DC24-220V SSR\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9827\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li><\/ul>            <\/div>\n        <\/div>\n\n        <script type=\"text\/javascript\">\n            jQuery(document).ready(function($) {\n                var $scope = jQuery(\".elementor-element-cbdfae9\");\n                var $products = $('.products', $scope);\n                var $layout_mode = $products.data('layout-mode');\n                \n                if ( $layout_mode === 'masonry' ) {\n                    \/\/ init isotope\n                    var $isotope_products = $products.isotope({\n                        itemSelector: \"li.product\",\n                        layoutMode: $layout_mode,\n                        percentPosition: true\n                    });\n\n                    $isotope_products.imagesLoaded().progress( function() {\n                        $isotope_products.isotope('layout');\n                    })\n                    \n                }\n            });\n        <\/script>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d3d90a elementor-widget elementor-widget-text-editor\" data-id=\"0d3d90a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le relais statique \u00e0 courant continu est en fait l'un des nombreux <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/solid-state-relay-types-how-to-choose-the-right-ssr-for-your-application\/\"><span style=\"font-weight: 400;\">les types de SSR<\/span><\/a><\/span><span style=\"font-weight: 400;\">mais il est sp\u00e9cifiquement con\u00e7u pour contr\u00f4ler les charges \u00e0 courant continu, telles que les chauffages \u00e0 courant continu, les pompes \u00e0 courant continu, les moteurs \u00e0 courant continu et d'autres dispositifs \u00e0 courant continu.<\/span><\/p><p><span style=\"font-weight: 400;\">Son signal de commande est similaire \u00e0 celui du relais SSR AC le plus couramment utilis\u00e9, \u00e0 savoir DC3-32V.<\/span><\/p><p><span style=\"font-weight: 400;\">Son principe de fonctionnement est tr\u00e8s simple : lorsque le signal de commande est appliqu\u00e9 et qu'il se situe entre 3 VDC et 32 VDC, la partie charge est \u00e9galement ferm\u00e9e, ce qui met la charge sous tension.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bda22d4 elementor-widget elementor-widget-image\" data-id=\"bda22d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-DC-SSR-and-AC-SSR-control-signal-explanation.jpg\" class=\"attachment-large size-large wp-image-17713\" alt=\"Explication des signaux de commande du relais SSR DC et du relais SSR AC de Lorentzzi\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-DC-SSR-and-AC-SSR-control-signal-explanation.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-DC-SSR-and-AC-SSR-control-signal-explanation-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-DC-SSR-and-AC-SSR-control-signal-explanation-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-DC-SSR-and-AC-SSR-control-signal-explanation-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-DC-SSR-and-AC-SSR-control-signal-explanation-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-effe1cc elementor-widget elementor-widget-text-editor\" data-id=\"effe1cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Dans la section suivante, nous expliquerons en d\u00e9tail comment cela fonctionne.<\/span><\/p><p><span style=\"font-weight: 400;\">Cette caract\u00e9ristique permet de l'utiliser avec <\/span><a href=\"https:\/\/lorentzzi.com\/fr\/temperature-controllers\/\"><span style=\"font-weight: 400;\"><span style=\"color: #ff0000;\">Temp\u00e9rature PID<\/span> Contr\u00f4leurs<\/span><\/a><span style=\"font-weight: 400;\"> pour contr\u00f4ler avec pr\u00e9cision les \u00e9l\u00e9ments chauffants \u00e0 courant continu.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9168f42 elementor-widget elementor-widget-heading\" data-id=\"9168f42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment cela fonctionne-t-il ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68132d1 elementor-widget elementor-widget-text-editor\" data-id=\"68132d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Lorsque nous parlons du principe de fonctionnement du relais statique \u00e0 courant continu, nous devons d'abord comprendre sa structure et sa composition.<\/span><\/p><p><span style=\"font-weight: 400;\">Le relais statique CC se compose de trois parties, \u00e0 savoir le circuit d'entr\u00e9e, la partie isolation et le circuit de sortie. Vous pouvez voir la composition simplifi\u00e9e du relais statique \u00e0 courant continu dans la figure ci-dessous :<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8aaf4ea elementor-widget elementor-widget-image\" data-id=\"8aaf4ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-circuit.jpg\" class=\"attachment-large size-large wp-image-17712\" alt=\"Circuit de relais \u00e0 semi-conducteurs \u00e0 courant continu\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-circuit.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-circuit-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-circuit-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-circuit-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-circuit-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54f3697 elementor-widget elementor-widget-text-editor\" data-id=\"54f3697\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le composant central d'un relais statique \u00e0 courant continu est le MOSFET de puissance qui, lorsqu'il re\u00e7oit un signal de commande, peut passer de l'\u00e9tat d'arr\u00eat \u00e0 l'\u00e9tat de marche, ce qui a pour effet de mettre la charge sous tension.<\/span><\/p><p><span style=\"font-weight: 400;\">Pour expliquer plus en d\u00e9tail, le fonctionnement d'un relais statique \u00e0 courant continu (SSR) peut \u00eatre divis\u00e9 en deux \u00e9tapes :<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lorsque la tension de commande est appliqu\u00e9e, la DEL de l'optocoupleur \u00e9met de la lumi\u00e8re, ce qui g\u00e9n\u00e8re un courant qui active le phototransistor du c\u00f4t\u00e9 de la sortie du circuit de relais.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dans le circuit de sortie, le circuit pilote amplifie le signal et fournit au MOSFET un courant de commande de grille suffisant pour l'activer et connecter la charge \u00e0 l'alimentation \u00e9lectrique.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57ddb82 elementor-widget elementor-widget-heading\" data-id=\"57ddb82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Avantages et inconv\u00e9nients des relais statiques \u00e0 courant continu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-872b8be elementor-widget elementor-widget-text-editor\" data-id=\"872b8be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Les relais \u00e0 semi-conducteurs DC pr\u00e9sentent les avantages et les inconv\u00e9nients des relais \u00e0 semi-conducteurs ordinaires. Nous expliquons ci-dessous ces avantages et ces inconv\u00e9nients en d\u00e9tail :<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bc92e6 elementor-widget elementor-widget-heading\" data-id=\"8bc92e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Avantages :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff48d6e elementor-widget elementor-widget-text-editor\" data-id=\"ff48d6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pas de pi\u00e8ces mobiles<\/b><span style=\"font-weight: 400;\">: <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/ssr-vs-ac-contactor-which-is-better-in-a-temperature-control-system\/\"><span style=\"font-weight: 400;\">Contrairement aux contacteurs ou aux relais interm\u00e9diaires<\/span><\/a><\/span><span style=\"font-weight: 400;\"> qui utilisent des contacts mobiles pour connecter des charges, les relais statiques \u00e0 courant continu utilisent des MOSFET \u00e0 semi-conducteur pour activer\/d\u00e9sactiver des charges \u00e0 courant continu.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Temps de r\u00e9ponse rapide<\/b><span style=\"font-weight: 400;\">: Le temps de r\u00e9ponse (inf\u00e9rieur \u00e0 30 ns) du semi-conducteur MOSFET, le composant principal du relais \u00e0 courant continu, est beaucoup plus rapide que celui des interrupteurs physiques.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pas d'usure de contact \u00e0 craindre<\/b><span style=\"font-weight: 400;\">: Comme il n'y a pas de pi\u00e8ces mobiles, il n'y a pas lieu de s'inqui\u00e9ter des probl\u00e8mes d'usure des contacts du relais SSR DC.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pas de bruit<\/b><span style=\"font-weight: 400;\">: Lorsque le relais statique CC enclenche la charge, vous n'entendrez pas le m\u00eame bruit de cliquetis qu'avec les contacteurs ou les relais interm\u00e9diaires.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Longue dur\u00e9e de vie<\/b><span style=\"font-weight: 400;\">: Si le relais statique \u00e0 courant continu peut \u00eatre utilis\u00e9 dans de bonnes conditions de dissipation thermique, sa dur\u00e9e de vie peut \u00eatre consid\u00e9r\u00e9e comme illimit\u00e9e.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pas d'arc de contact, faible EMI, forte capacit\u00e9 de surtension<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Forte r\u00e9sistance aux chocs et aux vibrations<\/b><span style=\"font-weight: 400;\">: <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/solid-state-relays\/\"><span style=\"font-weight: 400;\">Relais statiques de marque Lorentzzi<\/span><\/a><\/span><span style=\"font-weight: 400;\"> sont enti\u00e8rement int\u00e9gr\u00e9s dans le mat\u00e9riau du bo\u00eetier et recouverts d'une couche d'aluminium. <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/www.coppsindustries.com\/epoxy-resources\/epoxy-a-complete-guide\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">r\u00e9sine \u00e9poxy<\/span><\/a><\/span><span style=\"font-weight: 400;\"> En outre, comme ils n'utilisent aucune pi\u00e8ce mobile, ils sont tr\u00e8s r\u00e9sistants aux vibrations et aux chocs.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Forte r\u00e9sistance \u00e0 la corrosion chimique et \u00e0 la poussi\u00e8re<\/b><span style=\"font-weight: 400;\">: Le circuit imprim\u00e9 interne et les composants du relais statique DC sont enferm\u00e9s dans un bo\u00eetier \u00e9tanche de sorte que le sable, la poussi\u00e8re et les produits chimiques corrosifs ne peuvent pas interf\u00e9rer avec le fonctionnement sans probl\u00e8me du relais statique.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a118f66 elementor-widget elementor-widget-heading\" data-id=\"a118f66\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Inconv\u00e9nients :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20e0e8e elementor-widget elementor-widget-text-editor\" data-id=\"20e0e8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol><li><b>Production de chaleur \u00e9lev\u00e9e<\/b><span style=\"font-weight: 400;\">: Comme les puces, le relais statique \u00e0 courant continu g\u00e9n\u00e8re beaucoup de chaleur lorsqu'il fonctionne pendant une longue p\u00e9riode, c'est pourquoi il doit g\u00e9n\u00e9ralement \u00eatre utilis\u00e9 avec un syst\u00e8me de protection passif. <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/ssr-heat-sinks\/\"><span style=\"font-weight: 400;\">radiateur de chaleur<\/span><\/a><\/span><span style=\"font-weight: 400;\"> ou un ventilateur actif pour le refroidir.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eec6f99 elementor-widget elementor-widget-image\" data-id=\"eec6f99\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/lorentzzi.com\/fr\/ssr-heat-sinks\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-heat-radiator-for-DC-SSR.jpg\" class=\"attachment-large size-large wp-image-17714\" alt=\"Radiateur de chaleur Lorentzzi pour SSR DC\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-heat-radiator-for-DC-SSR.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-heat-radiator-for-DC-SSR-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-heat-radiator-for-DC-SSR-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-heat-radiator-for-DC-SSR-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/Lorentzzi-heat-radiator-for-DC-SSR-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f09e46e elementor-widget elementor-widget-text-editor\" data-id=\"f09e46e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol start=\"2\"><li><b>Le produit est trop grand<\/b><span style=\"font-weight: 400;\">: Lorsque le courant DC SSR augmente, la taille du dissipateur thermique SSR correspondant augmente \u00e9galement en cons\u00e9quence, ce qui pose le probl\u00e8me suivant : plus le courant SSR est \u00e9lev\u00e9, plus l'ensemble du produit est grand.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cf28b1 elementor-widget elementor-widget-heading\" data-id=\"9cf28b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Applications des relais SSR DC<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e2d7da elementor-widget elementor-widget-image\" data-id=\"0e2d7da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-typical-applications.jpg\" class=\"attachment-large size-large wp-image-17715\" alt=\"Applications typiques des relais statiques \u00e0 courant continu\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-typical-applications.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-typical-applications-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-typical-applications-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-typical-applications-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/07\/DC-solid-state-relay-typical-applications-64x32.jpg 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a1929e elementor-widget elementor-widget-text-editor\" data-id=\"8a1929e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Les relais statiques \u00e0 courant continu (SSR) ont de nombreuses applications, telles que le contr\u00f4le des radiateurs \u00e0 courant continu dans les syst\u00e8mes de contr\u00f4le de la temp\u00e9rature \u00e0 courant continu, les applications de contr\u00f4le de l'allumage et de l'extinction des lumi\u00e8res \u00e0 courant continu, le contr\u00f4le du d\u00e9marrage et de l'arr\u00eat des moteurs \u00e0 courant continu, les syst\u00e8mes de gestion de la batterie, les syst\u00e8mes photovolta\u00efques, etc.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e86a11 elementor-widget elementor-widget-heading\" data-id=\"9e86a11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c878ac elementor-widget elementor-widget-text-editor\" data-id=\"1c878ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">En r\u00e9sum\u00e9, le relais statique \u00e0 courant continu est un commutateur \u00e0 semi-conducteur principalement utilis\u00e9 pour contr\u00f4ler les charges \u00e0 courant continu. Par rapport aux commutateurs physiques traditionnels, il pr\u00e9sente de nombreux avantages, tels qu'une vitesse de commutation rapide et une grande durabilit\u00e9.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c54a088 elementor-widget elementor-widget-image\" data-id=\"c54a088\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6Ijg4MzMiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/Lorentzzi-solid-state-relay-CTA.webp\" class=\"attachment-large size-large wp-image-17943\" alt=\"Relais statique Lorentzzi CTA\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/Lorentzzi-solid-state-relay-CTA.webp 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/Lorentzzi-solid-state-relay-CTA-300x150.webp 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/Lorentzzi-solid-state-relay-CTA-768x384.webp 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/Lorentzzi-solid-state-relay-CTA-600x300.webp 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/Lorentzzi-solid-state-relay-CTA-64x32.webp 64w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb45855 elementor-widget elementor-widget-text-editor\" data-id=\"eb45855\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Au <\/span><strong><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/\">Lorentzzi<\/a><\/span><\/strong><span style=\"font-weight: 400;\">Sur notre site, vous trouverez une large gamme de relais statiques CC (SSR) de 10 \u00e0 120 amp\u00e8res, avec des options de montage \u00e0 vis ou sur rail DIN. Si vous souhaitez en savoir plus sur les relais statiques CC ou obtenir nos derniers prix, veuillez contacter <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/fr\/contact-us\/\"><span style=\"font-weight: 400;\">nous contacter <\/span><\/a><\/span><span style=\"font-weight: 400;\">ou envoyer une demande de renseignements \u00e0 <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"mailto:shonxu@lorentzzi.com\"><span style=\"font-weight: 400;\">shonxu@lorentzzi.com<\/span><\/a><\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Have you ever wondered how to control a DC heater more safely and easily in a temperature control system? For Lorentzzi, who has worked in the field of heating controls for many years, the answer is to use a DC solid-state relay, commonly known as a DC SSR. It has the advantages of no moving [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17717,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","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":[109],"tags":[],"class_list":["post-17711","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solid-state-relay","desktop-align-center","tablet-align-left","mobile-align-left"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>DC Solid State Relay: What Is It And How It Works?<\/title>\n<meta name=\"description\" content=\"Want to learn more knowledge about DC solid state relay? 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