{"id":20124,"date":"2026-03-28T21:28:58","date_gmt":"2026-03-28T13:28:58","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=20124"},"modified":"2026-04-10T07:58:04","modified_gmt":"2026-04-09T23:58:04","slug":"dc-ssr-vs-ac-ssr-what-are-the-key-differences","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/pt\/dc-ssr-vs-ac-ssr-what-are-the-key-differences\/","title":{"rendered":"SSR CC Vs SSR CA: Quais s\u00e3o as principais diferen\u00e7as?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"20124\" class=\"elementor elementor-20124\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4f3e89 e-flex e-con-boxed e-con e-parent\" data-id=\"c4f3e89\" 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-bc2c17b elementor-widget elementor-widget-text-editor\" data-id=\"bc2c17b\" 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><a href=\"https:\/\/lorentzzi.com\/pt\/reles-de-estado-solido\/\"><span style=\"font-weight: 400;\"><span style=\"color: #ff0000;\">Rel\u00e9s de estado s\u00f3lido (SSRs)<\/span><\/span><\/a><span style=\"font-weight: 400;\"> tornaram-se amplamente populares em sistemas de controle industrial gra\u00e7as aos seus principais benef\u00edcios: opera\u00e7\u00e3o silenciosa, resposta r\u00e1pida, longa vida \u00fatil e aus\u00eancia de arco voltaico durante a comuta\u00e7\u00e3o de carga.<\/span><\/p><p><span style=\"font-weight: 400;\">Os rel\u00e9s de estado s\u00f3lido s\u00e3o divididos principalmente em duas categorias: Rel\u00e9s de estado s\u00f3lido CC (SSRs CC) e rel\u00e9s de estado s\u00f3lido CA (SSRs CA), com base na diferen\u00e7a de tens\u00e3o controlada. Ent\u00e3o, quais s\u00e3o as principais diferen\u00e7as entre esses dois tipos de rel\u00e9s de estado s\u00f3lido? Este artigo fornecer\u00e1 uma explica\u00e7\u00e3o detalhada.<\/span><\/p><p><span style=\"font-weight: 400;\">Agora, vamos aprender juntos!<\/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-cafa54d elementor-widget elementor-widget-heading\" data-id=\"cafa54d\" 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\">O que \u00e9 SSR CC?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5448536 elementor-widget elementor-widget-image\" data-id=\"5448536\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/DC-solid-state-relay-voltage-and-current-flow-direction.jpg\" class=\"attachment-large size-large wp-image-20126\" alt=\"Dire\u00e7\u00e3o do fluxo de corrente e tens\u00e3o do rel\u00e9 de estado s\u00f3lido CC\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/DC-solid-state-relay-voltage-and-current-flow-direction.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/DC-solid-state-relay-voltage-and-current-flow-direction-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/DC-solid-state-relay-voltage-and-current-flow-direction-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/DC-solid-state-relay-voltage-and-current-flow-direction-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/DC-solid-state-relay-voltage-and-current-flow-direction-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/DC-solid-state-relay-voltage-and-current-flow-direction-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-c039704 elementor-widget elementor-widget-text-editor\" data-id=\"c039704\" 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;\">Em termos simples, um rel\u00e9 de estado s\u00f3lido CC (SSR CC) refere-se a um rel\u00e9 cuja carga \u00e9 uma fonte de alimenta\u00e7\u00e3o CC. Ele pode ser usado para ligar e desligar cargas de CC, como aquecedores de CC e motores de CC.<\/span><\/p><p><span style=\"font-weight: 400;\">Escrevemos uma postagem no blog sobre rel\u00e9s de estado s\u00f3lido CC, voc\u00ea pode dar uma olhada: <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/rele-de-estado-solido-dc-o-que-e-e-como-funciona\/\"><span style=\"font-weight: 400;\">Rel\u00e9 de estado s\u00f3lido CC: O que \u00e9 e como funciona?<\/span><\/a><\/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-a9dc555 eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"a9dc555\" 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=\"a9dc555\" data-page-id=\"20124\" data-nonce=\"e824681645\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products eael-post-appender eael-post-appender-a9dc555\" 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\/pt\/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 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 Rel\u00e9 de estado s\u00f3lido de 100 amperes CC\" 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\/pt\/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\">M\u00f3dulo de rel\u00e9 de estado s\u00f3lido SSR 100DD DC<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/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=\"Leia mais sobre \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=\"\">Leia mais<\/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\/pt\/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 Rel\u00e9 de estado s\u00f3lido\" 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\/pt\/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 60A DC Rel\u00e9 de estado s\u00f3lido<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/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=\"Leia mais sobre \u201cSSR 60DD 60A DC Solid State Relay\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/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\/pt\/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 Controle 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\/pt\/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 Controle DC24-220V SSR<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/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=\"Leia mais sobre \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=\"\">Leia mais<\/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> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-40dd-dc-control-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-40DD-40A-DC-Control-DC-Solid-State-Relay-For-DC-Heater-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR-40DD 40A Controle de estado s\u00f3lido DC para aquecedor DC\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-40DD-40A-DC-Control-DC-Solid-State-Relay-For-DC-Heater-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-40DD-40A-DC-Control-DC-Solid-State-Relay-For-DC-Heater-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-40DD-40A-DC-Control-DC-Solid-State-Relay-For-DC-Heater-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-40DD-40A-DC-Control-DC-Solid-State-Relay-For-DC-Heater-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-40DD-40A-DC-Control-DC-Solid-State-Relay-For-DC-Heater-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/SSR-40DD-40A-DC-Control-DC-Solid-State-Relay-For-DC-Heater.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-40dd-dc-control-dc-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SSR 40DD, 40A Controle CC Rel\u00e9 de estado s\u00f3lido CC<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-40dd-dc-control-dc-solid-state-relay\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9815\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9815\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cSSR 40DD, 40A DC Control DC Solid State Relay\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9815\" 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-a9dc555\");\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-ed7e67e elementor-widget elementor-widget-heading\" data-id=\"ed7e67e\" 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\">O que \u00e9 um SSR CA?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd5f268 elementor-widget elementor-widget-image\" data-id=\"bd5f268\" 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\/2026\/03\/AC-solid-state-relay-voltage-and-current-flow-direction.jpg\" class=\"attachment-large size-large wp-image-20127\" alt=\"Dire\u00e7\u00e3o do fluxo de corrente e tens\u00e3o do rel\u00e9 de estado s\u00f3lido CA\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/AC-solid-state-relay-voltage-and-current-flow-direction.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/AC-solid-state-relay-voltage-and-current-flow-direction-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/AC-solid-state-relay-voltage-and-current-flow-direction-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/AC-solid-state-relay-voltage-and-current-flow-direction-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/AC-solid-state-relay-voltage-and-current-flow-direction-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/AC-solid-state-relay-voltage-and-current-flow-direction-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-bf9aff4 elementor-widget elementor-widget-text-editor\" data-id=\"bf9aff4\" 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;\">Um SSR CA, muitas vezes chamado simplesmente de rel\u00e9 de estado s\u00f3lido CA, controla a energia CA por meio de um par de <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/triac-vs-thyristor-key-differences-and-selection-tips\/\"><span style=\"font-weight: 400;\">Tiristores back-to-back ou elementos de comuta\u00e7\u00e3o de triac (TRIAC)<\/span><\/a><\/span><span style=\"font-weight: 400;\">. Diferentemente de um rel\u00e9 de estado s\u00f3lido CC (SSR CC), ele \u00e9 usado principalmente para conectar e desconectar cargas CA, como aquecedores e motores CA.<\/span><\/p><p><span style=\"font-weight: 400;\">Ambos os tipos de rel\u00e9s de estado s\u00f3lido operam com base em um princ\u00edpio semelhante ao dos contatores CA (se quiser obter mais detalhes sobre a diferen\u00e7a entre SSR e contator, leia nosso blog: <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/ssr-vs-ac-contactor-which-is-better-in-a-temperature-control-system\/\"><span style=\"font-weight: 400;\">SSR versus contator CA: O que \u00e9 melhor em um sistema de controle de temperatura?<\/span><\/a><\/span><span style=\"font-weight: 400;\">). Ou seja, quando o terminal de controle \u00e9 energizado (geralmente o sinal de controle \u00e9 uma corrente pequena e baixa tens\u00e3o), a carga (a parte controlada com alta tens\u00e3o e alta corrente) tamb\u00e9m \u00e9 energizada; por outro lado, quando o sinal do terminal de controle \u00e9 desconectado, a carga \u00e9 desenergizada.<\/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-19843ca eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"19843ca\" 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=\"19843ca\" data-page-id=\"20124\" data-nonce=\"e824681645\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products eael-post-appender eael-post-appender-19843ca\" 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\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-80da-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\/06\/SSR-80DA-80A-DC-To-AC-Solid-State-Relay-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Rel\u00e9 de estado s\u00f3lido SSR 80DA 80A CC para CA\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-80DA-80A-DC-To-AC-Solid-State-Relay-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-80DA-80A-DC-To-AC-Solid-State-Relay-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-80DA-80A-DC-To-AC-Solid-State-Relay-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-80DA-80A-DC-To-AC-Solid-State-Relay-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-80DA-80A-DC-To-AC-Solid-State-Relay-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-80DA-80A-DC-To-AC-Solid-State-Relay.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-80da-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Rel\u00e9 de estado s\u00f3lido SSR 80DA 80A CC para CA<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-80da-solid-state-relay\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9733\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9733\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cSSR 80DA 80A DC To AC Solid State Relay\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9733\" 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\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-10da-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\/06\/SSR-10DA-10A-DC-To-AC-Single-Phase-Solid-State-Relay-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR 10DA 10A DC para AC Rel\u00e9 de estado s\u00f3lido monof\u00e1sico\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-10DA-10A-DC-To-AC-Single-Phase-Solid-State-Relay-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-10DA-10A-DC-To-AC-Single-Phase-Solid-State-Relay-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-10DA-10A-DC-To-AC-Single-Phase-Solid-State-Relay-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-10DA-10A-DC-To-AC-Single-Phase-Solid-State-Relay-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-10DA-10A-DC-To-AC-Single-Phase-Solid-State-Relay-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-10DA-10A-DC-To-AC-Single-Phase-Solid-State-Relay.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-10da-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Rel\u00e9 de estado s\u00f3lido SSR 10DA<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-10da-solid-state-relay\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9709\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9709\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cSSR 10DA Solid State Relay\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9709\" 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\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-25da-solid-state-relay-dc-to-ac-25a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-25DA-Solid-State-Relay-DC-To-AC-25A-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR-25DA Rel\u00e9 de estado s\u00f3lido (SSR) de CC para CA 25A\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-25DA-Solid-State-Relay-DC-To-AC-25A-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-25DA-Solid-State-Relay-DC-To-AC-25A-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-25DA-Solid-State-Relay-DC-To-AC-25A-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-25DA-Solid-State-Relay-DC-To-AC-25A-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-25DA-Solid-State-Relay-DC-To-AC-25A-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-25DA-Solid-State-Relay-DC-To-AC-25A.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-25da-solid-state-relay-dc-to-ac-25a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SSR-25DA Rel\u00e9 de estado s\u00f3lido (SSR) de CC para CA 25A<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-25da-solid-state-relay-dc-to-ac-25a\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9701\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9701\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cSSR-25DA DC To AC 25A Solid State Relay(SSR)\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9701\" 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\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-40da-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\/06\/SSR-40DA-Single-Phase-40-Amps-DC-To-AC-Solid-State-Relay-For-Heating-Elements-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR-40DA Rel\u00e9 de estado s\u00f3lido monof\u00e1sico de 40 amperes de CC para CA para elementos de aquecimento\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40DA-Single-Phase-40-Amps-DC-To-AC-Solid-State-Relay-For-Heating-Elements-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40DA-Single-Phase-40-Amps-DC-To-AC-Solid-State-Relay-For-Heating-Elements-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40DA-Single-Phase-40-Amps-DC-To-AC-Solid-State-Relay-For-Heating-Elements-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40DA-Single-Phase-40-Amps-DC-To-AC-Solid-State-Relay-For-Heating-Elements-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40DA-Single-Phase-40-Amps-DC-To-AC-Solid-State-Relay-For-Heating-Elements-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40DA-Single-Phase-40-Amps-DC-To-AC-Solid-State-Relay-For-Heating-Elements.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-40da-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SSR-40DA Rel\u00e9 de estado s\u00f3lido, DC monof\u00e1sico para AC 40A SSR<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-40da-solid-state-relay\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9571\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9571\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cSSR-40DA Solid State Relay, Single Phase DC To AC 40A SSR\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_9571\" 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-19843ca\");\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-7a8b067 elementor-widget elementor-widget-heading\" data-id=\"7a8b067\" 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\">Principais diferen\u00e7as entre SSRs CC e CA<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3c1a71 elementor-widget elementor-widget-image\" data-id=\"f3c1a71\" 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=\"Explica\u00e7\u00e3o do sinal de controle do SSR CC e do SSR CA 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-dadf444 elementor-widget elementor-widget-text-editor\" data-id=\"dadf444\" 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;\">As principais diferen\u00e7as entre os rel\u00e9s de estado s\u00f3lido CC e os rel\u00e9s de estado s\u00f3lido CA est\u00e3o refletidas nos cinco aspectos a seguir: tipo de tens\u00e3o controlada, componentes de comuta\u00e7\u00e3o de carga de controle interno, cargas aplic\u00e1veis, suporte \u00e0 conex\u00e3o reversa do terminal de carga e tipo de tens\u00e3o de controle.<\/span><\/p><p><span style=\"font-weight: 400;\">Nas partes a seguir, explicaremos essas cinco diferen\u00e7as em detalhes.<\/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-7efa27a elementor-widget elementor-widget-heading\" data-id=\"7efa27a\" 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\">1. Tipo de tens\u00e3o controlada<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70e8973 elementor-widget elementor-widget-text-editor\" data-id=\"70e8973\" 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><b>SSR CC<\/b><span style=\"font-weight: 400;\">: Projetado exclusivamente para controle de energia CC.<\/span><\/p><p><b>SSR CA<\/b><span style=\"font-weight: 400;\">: Projetado exclusivamente para controle de energia CA.<\/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-a22db75 elementor-widget elementor-widget-heading\" data-id=\"a22db75\" 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\">2. Componentes de comuta\u00e7\u00e3o de carga de controle interno<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca38425 elementor-widget elementor-widget-text-editor\" data-id=\"ca38425\" 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><b>SSR CC<\/b><span style=\"font-weight: 400;\">: Utiliza principalmente o MOSFET como elemento de comuta\u00e7\u00e3o. Os MOSFETs s\u00e3o dispositivos controlados por tens\u00e3o que podem ser desligados imediatamente quando o sinal de controle \u00e9 removido, independentemente da corrente de carga.<\/span><\/p><p><b>SSR CA<\/b><span style=\"font-weight: 400;\">: Utiliza principalmente um par de tiristores ou TRIACs back-to-back como elemento de comuta\u00e7\u00e3o. O tiristor e o TRIAC s\u00e3o dispositivos de travamento; eles s\u00f3 desligam no cruzamento zero da corrente CA, mesmo que o sinal de controle seja removido.<\/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-0e9c4e4 elementor-widget elementor-widget-heading\" data-id=\"0e9c4e4\" 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\">3. Principais cargas aplic\u00e1veis<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eaf22dd elementor-widget elementor-widget-text-editor\" data-id=\"eaf22dd\" 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><b>SSR CC<\/b><span style=\"font-weight: 400;\">: As cargas t\u00edpicas incluem elementos de aquecimento CC, motores CC, solenoides e dispositivos alimentados por bateria.<\/span><\/p><p><b>SSR CA<\/b><span style=\"font-weight: 400;\">: As cargas t\u00edpicas incluem elementos de aquecimento de CA, motores de CA, ventiladores, bombas e a maioria dos eletrodom\u00e9sticos. Eles s\u00e3o amplamente usados para substituir os contatores CA tradicionais em muitas aplica\u00e7\u00f5es.<\/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-7e95e20 elementor-widget elementor-widget-heading\" data-id=\"7e95e20\" 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\">4. Se a conex\u00e3o reversa do terminal de carga \u00e9 suportada<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27e18fe elementor-widget elementor-widget-text-editor\" data-id=\"27e18fe\" 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><b>SSR CC<\/b><span style=\"font-weight: 400;\">: Os terminais positivo e negativo da fonte de alimenta\u00e7\u00e3o CC devem estar estritamente conectados \u00e0 se\u00e7\u00e3o de controle do SSR CC. A invers\u00e3o da polaridade danificar\u00e1 o MOSFET, causando o mau funcionamento do SSR CC.<\/span><\/p><p><b>SSR CA<\/b><span style=\"font-weight: 400;\">: Como as fontes de alimenta\u00e7\u00e3o de CA n\u00e3o t\u00eam terminais positivos e negativos, a invers\u00e3o das conex\u00f5es de vivo e neutro n\u00e3o danificar\u00e1 o SSR. As \u00fanicas causas de danos aos SSRs CA s\u00e3o alta temperatura, sobrecorrente e sobretens\u00e3o.<\/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-0614b40 elementor-widget elementor-widget-heading\" data-id=\"0614b40\" 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\">5. Tipo de tens\u00e3o de controle<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc80763 elementor-widget elementor-widget-text-editor\" data-id=\"cc80763\" 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><b>SSR CC<\/b><span style=\"font-weight: 400;\">: Normalmente, a tens\u00e3o de controle \u00e9 limitada a 3-32VDC; os sinais de controle CA s\u00e3o menos comuns no mercado.<\/span><\/p><p><b>SSR CA<\/b><span style=\"font-weight: 400;\">: Os sinais de controle comuns podem ser n\u00e3o apenas de 3 a 32 VCC, mas tamb\u00e9m de 70 a 280 VCA.<\/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-b0f5c02 elementor-widget elementor-widget-heading\" data-id=\"b0f5c02\" 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\">Posso usar o SSR CA como SSR CC para controlar cargas CC?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8feb744 elementor-widget elementor-widget-text-editor\" data-id=\"8feb744\" 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;\">N\u00e3o, n\u00e3o \u00e9 poss\u00edvel usar um SSR CA para controlar uma carga CC.<\/span><\/p><p><span style=\"font-weight: 400;\">Conforme mencionado anteriormente, os rel\u00e9s de estado s\u00f3lido (SSRs) CA usam tiristores ou TRIACS como elementos internos de comuta\u00e7\u00e3o. Esses dispositivos s\u00f3 podem ser desligados quando a forma de onda da tens\u00e3o CA cruza o zero depois que o sinal de controle \u00e9 removido.<\/span><\/p><p><span style=\"font-weight: 400;\">Como as fontes de alimenta\u00e7\u00e3o CC n\u00e3o t\u00eam pontos de cruzamento zero, quando um rel\u00e9 de estado s\u00f3lido CA \u00e9 acionado em um circuito CC, ele<\/span><b> permanecem ligados e n\u00e3o podem ser desligados<\/b><span style=\"font-weight: 400;\"> mesmo depois que o sinal de controle \u00e9 removido.<\/span><\/p><p><span style=\"font-weight: 400;\">Portanto, os SSRs CA n\u00e3o s\u00e3o adequados para aplica\u00e7\u00f5es de carga CC.<\/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-0260cfa elementor-widget elementor-widget-heading\" data-id=\"0260cfa\" 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\">Posso usar o SSR CC como SSR CA para controlar cargas CA?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a402db8 elementor-widget elementor-widget-text-editor\" data-id=\"a402db8\" 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;\">Agora que os SSRs CA n\u00e3o podem ser usados para controlar cargas CC, os SSRs CC podem ser usados para controlar cargas CA?<\/span><\/p><p><span style=\"font-weight: 400;\">A resposta continua sendo n\u00e3o.<\/span><\/p><p><span style=\"font-weight: 400;\">Os SSRs CC normalmente usam MOSFET como seus componentes internos de comuta\u00e7\u00e3o, que s\u00e3o projetados apenas para corrente CC unidirecional. A tens\u00e3o CA muda constantemente de dire\u00e7\u00e3o e gera tens\u00e3o reversa, o que danifica o MOSFET imediatamente e faz com que o SSR CC queime ou apresente mau funcionamento completo.<\/span><\/p><p><span style=\"font-weight: 400;\">Portanto, os SSRs CC n\u00e3o podem ser usados de forma intercambi\u00e1vel para controlar cargas CA.<\/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-61265fc elementor-widget elementor-widget-heading\" data-id=\"61265fc\" 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\">Conclus\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd4867d elementor-widget elementor-widget-image\" data-id=\"fd4867d\" 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\/2026\/03\/Lorentzzi-DC-and-AC-SSRs.jpg\" class=\"attachment-large size-large wp-image-20128\" alt=\"SSRs CC e CA Lorentzzi\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Lorentzzi-DC-and-AC-SSRs.jpg 1024w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Lorentzzi-DC-and-AC-SSRs-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Lorentzzi-DC-and-AC-SSRs-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Lorentzzi-DC-and-AC-SSRs-18x9.jpg 18w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Lorentzzi-DC-and-AC-SSRs-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2026\/03\/Lorentzzi-DC-and-AC-SSRs-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-3ce3615 elementor-widget elementor-widget-text-editor\" data-id=\"3ce3615\" 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;\">Em resumo, a principal diferen\u00e7a \u00e9 que os rel\u00e9s de estado s\u00f3lido CC s\u00e3o usados principalmente para controlar fontes de alimenta\u00e7\u00e3o CC, enquanto os rel\u00e9s de estado s\u00f3lido CA s\u00e3o usados principalmente para controlar fontes de alimenta\u00e7\u00e3o CA.<\/span><\/p><p><span style=\"font-weight: 400;\">Se voc\u00ea estiver procurando um fornecedor confi\u00e1vel de rel\u00e9s de estado s\u00f3lido CC (SSRs CC) e rel\u00e9s de estado s\u00f3lido CA (SSRs CA), <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/\"><span style=\"font-weight: 400;\">Lorentzzi Electric<\/span><\/a><\/span><span style=\"font-weight: 400;\"> pode fornecer esses dois produtos de alta qualidade, voc\u00ea pode enviar sua consulta para <\/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;\">, Se voc\u00ea n\u00e3o tiver uma cota\u00e7\u00e3o, n\u00f3s a forneceremos em 24 horas.<\/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>Solid-state relays (SSRs) have grown widely popular in industrial control systems thanks to their key benefits: silent operation, rapid response, long service life, and no arcing during load switching. Solid-state relays are mainly divided into two categories: DC solid-state relays (DC SSRs) and AC solid-state relays (AC SSRs), based on the controlled voltage difference. So, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20129,"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-20124","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 SSR Vs AC SSR: What Are The Key Differences?<\/title>\n<meta name=\"description\" content=\"In this blog post, we will provide you 5 key differences between the DC SSR and AC SSR, click to see this blog post now!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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