{"id":16702,"date":"2025-04-29T13:47:50","date_gmt":"2025-04-29T05:47:50","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=16702"},"modified":"2025-07-07T10:19:26","modified_gmt":"2025-07-07T02:19:26","slug":"nc-solid-state-relay-does-it-exist-and-how-to-realize","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/pt\/nc-solid-state-relay-does-it-exist-and-how-to-realize\/","title":{"rendered":"Rel\u00e9 de estado s\u00f3lido NC: Existe e como realiz\u00e1-lo?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"16702\" class=\"elementor elementor-16702\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-87f26d4 e-flex e-con-boxed e-con e-parent\" data-id=\"87f26d4\" 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-c869941 elementor-widget elementor-widget-text-editor\" data-id=\"c869941\" 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;\">Voc\u00ea notou que todos os <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/reles-de-estado-solido\/\"><span style=\"font-weight: 400;\">rel\u00e9s de estado s\u00f3lido<\/span><\/a><\/span><span style=\"font-weight: 400;\"> no mercado s\u00e3o chaves de contato normalmente abertas se puderem ser classificadas de acordo com os diferentes contatos, como as chaves eletromagn\u00e9ticas (\u00e9 claro que esse m\u00e9todo de classifica\u00e7\u00e3o n\u00e3o \u00e9 cient\u00edfico, pois os rel\u00e9s de estado s\u00f3lido s\u00e3o chaves semicondutoras).<\/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-8aeae45 eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"8aeae45\" 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=\"8aeae45\" data-page-id=\"16702\" data-nonce=\"636274bb85\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products eael-post-appender eael-post-appender-8aeae45\" 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\/three-phase-solid-state-relay\/3-phase-solid-state-relay-60-amp-ac-to-ac-tsr-60aa\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/04\/TSR-60AA-60-amps-AC-control-three-phase-solid-state-relay-for-three-phase-heating-elements-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"TSR-60AA Rel\u00e9 de estado s\u00f3lido trif\u00e1sico de controle de 60 amperes CA para elementos de aquecimento trif\u00e1sicos\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/04\/TSR-60AA-60-amps-AC-control-three-phase-solid-state-relay-for-three-phase-heating-elements-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/04\/TSR-60AA-60-amps-AC-control-three-phase-solid-state-relay-for-three-phase-heating-elements-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/04\/TSR-60AA-60-amps-AC-control-three-phase-solid-state-relay-for-three-phase-heating-elements-600x600.jpg 600w, 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href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/three-phase-solid-state-relay\/3-phase-solid-state-relay-60-amp-ac-to-ac-tsr-60aa\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13419\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"13419\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201c3 Phase Solid State Relay 60 Amp, AC To AC, TSR-60AA\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_13419\" 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\/three-phase-solid-state-relay\/tsr-40da-40amps-dc-to-ac-3-phase-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\/TSR-40DA-40-amps-DC-to-AC-three-phase-solid-state-relay-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"TSR-40DA Rel\u00e9 de estado s\u00f3lido trif\u00e1sico de 40 amperes de CC para CA\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/TSR-40DA-40-amps-DC-to-AC-three-phase-solid-state-relay-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/TSR-40DA-40-amps-DC-to-AC-three-phase-solid-state-relay-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/TSR-40DA-40-amps-DC-to-AC-three-phase-solid-state-relay-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/TSR-40DA-40-amps-DC-to-AC-three-phase-solid-state-relay-100x100.jpg 100w, 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data-product_id=\"9926\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cTSR-40DA 40Amps DC to AC 3 Phase 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_9926\" 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-40aa-ac-ac-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-40AA-40-Amps-AC-To-AC-Solid-State-Relay-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"SSR 40AA, rel\u00e9 de estado s\u00f3lido de 40 amperes CA para CA\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40AA-40-Amps-AC-To-AC-Solid-State-Relay-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40AA-40-Amps-AC-To-AC-Solid-State-Relay-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40AA-40-Amps-AC-To-AC-Solid-State-Relay-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40AA-40-Amps-AC-To-AC-Solid-State-Relay-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40AA-40-Amps-AC-To-AC-Solid-State-Relay-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/06\/SSR-40AA-40-Amps-AC-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-40aa-ac-ac-solid-state-relay\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">SSR 40AA, rel\u00e9 de estado s\u00f3lido de 40 amperes CA para CA<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/solid-state-relay\/single-phase-solid-state-relay\/ssr-40aa-ac-ac-solid-state-relay\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9767\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9767\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cSSR 40AA, 40 Amps AC 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_9767\" 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, 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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-8aeae45\");\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-d636b99 elementor-widget elementor-widget-text-editor\" data-id=\"d636b99\" 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;\">Voc\u00ea pode se perguntar: existem rel\u00e9s de estado s\u00f3lido normalmente fechados? Se n\u00e3o, como essa fun\u00e7\u00e3o pode ser realizada? Neste artigo, forneceremos uma explica\u00e7\u00e3o detalhada, bem como uma solu\u00e7\u00e3o confi\u00e1vel. Ent\u00e3o, vamos come\u00e7ar.<\/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-f3fa2cb elementor-widget elementor-widget-heading\" data-id=\"f3fa2cb\" 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 rel\u00e9 de estado s\u00f3lido NC?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6da8aa3 elementor-widget elementor-widget-image\" data-id=\"6da8aa3\" 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=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Intermediate-Relay-With-NCNormally-Closed-Contacts-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16713\" alt=\"Rel\u00e9 intermedi\u00e1rio com contatos NC (normalmente fechados)\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Intermediate-Relay-With-NCNormally-Closed-Contacts-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Intermediate-Relay-With-NCNormally-Closed-Contacts-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Intermediate-Relay-With-NCNormally-Closed-Contacts-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Intermediate-Relay-With-NCNormally-Closed-Contacts-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Intermediate-Relay-With-NCNormally-Closed-Contacts.jpg 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-145c848 elementor-widget elementor-widget-text-editor\" data-id=\"145c848\" 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;\">O rel\u00e9 de estado s\u00f3lido NC \u00e9 uma chave semicondutora como o SSR comum, mas seu contato \u00e9 normalmente fechado. Seu princ\u00edpio de funcionamento \u00e9: quando nenhum sinal de controle \u00e9 aplicado, a carga est\u00e1 sempre ligada; quando um sinal de controle \u00e9 aplicado, a carga est\u00e1 desligada.<\/span><\/p><p><span style=\"font-weight: 400;\">Agora que um rel\u00e9 de estado s\u00f3lido normalmente fechado funciona de forma muito semelhante a um rel\u00e9 eletromagn\u00e9tico com contatos normalmente fechados, mas ser\u00e1 que ele existe? Por que n\u00e3o o vemos sendo vendido abertamente no mercado? Na se\u00e7\u00e3o a seguir, explicarei o motivo.<\/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-b1ae44a elementor-widget elementor-widget-heading\" data-id=\"b1ae44a\" 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\">Existem rel\u00e9s de estado s\u00f3lido NC e por qu\u00ea?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4401d6c elementor-widget elementor-widget-text-editor\" data-id=\"4401d6c\" 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;\">Na realidade, os rel\u00e9s de estado s\u00f3lido normalmente fechados n\u00e3o s\u00e3o muito comuns. Por que isso acontece? Podemos come\u00e7ar estudando os componentes dos rel\u00e9s de estado s\u00f3lido. Como mencionamos em <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/ssr-vs-relay-which-one-is-better\/\"><span style=\"font-weight: 400;\">blogs anteriores<\/span><\/a><\/span><span style=\"font-weight: 400;\">Em um rel\u00e9 de estado s\u00f3lido, o circuito de sa\u00edda de um rel\u00e9 de estado s\u00f3lido \u00e9 constru\u00eddo em torno do tiristor em um rel\u00e9 de estado s\u00f3lido de sa\u00edda CA ou do MOSFET em um rel\u00e9 de estado s\u00f3lido de sa\u00edda CC.<\/span><\/p><p><span style=\"font-weight: 400;\">O conceito de um rel\u00e9 de estado s\u00f3lido (SSR) normalmente fechado significa que ele tem contatos normalmente fechados semelhantes aos de um rel\u00e9 eletromagn\u00e9tico. Com base no exposto, pode-se concluir que os contatos normalmente fechados s\u00e3o realizados por seus elementos (tiristores ou MOSFETs). Isso leva \u00e0 seguinte pergunta: Existem tiristores ou MOSFETs normalmente fechados?<\/span><\/p><p><span style=\"font-weight: 400;\">Na verdade, n\u00e3o existem tiristores ou MOSFETs normalmente fechados. Entretanto, com o uso de circuitos ou componentes externos, ainda \u00e9 poss\u00edvel construir um rel\u00e9 de estado s\u00f3lido normalmente fechado. Como? A pr\u00f3xima se\u00e7\u00e3o ensinar\u00e1 como.<\/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-0cdb1b8 elementor-widget elementor-widget-heading\" data-id=\"0cdb1b8\" 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\">Como realizar a fun\u00e7\u00e3o normalmente fechada de um rel\u00e9 de estado s\u00f3lido?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea80592 elementor-widget elementor-widget-text-editor\" data-id=\"ea80592\" 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;\">Como um fornecedor profissional de solu\u00e7\u00f5es de rel\u00e9s de estado s\u00f3lido,<\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/\"> <b>Lorentzzi<\/b><\/a><\/span><span style=\"font-weight: 400;\"> tamb\u00e9m se deparou com consultas e demandas semelhantes de clientes. Eles nos pediram para fornecer rel\u00e9s de estado s\u00f3lido normalmente fechados. Qual \u00e9 a nossa solu\u00e7\u00e3o?<\/span><\/p><p><span style=\"font-weight: 400;\">Temos duas solu\u00e7\u00f5es: A primeira op\u00e7\u00e3o \u00e9 confirmar se o cliente aceita mudar o atuador de rel\u00e9 de estado s\u00f3lido (SSR) para rel\u00e9 intermedi\u00e1rio (para carga pequena) ou contator CA (para carga grande). Como todos sabemos, os rel\u00e9s intermedi\u00e1rios e os contatores CA t\u00eam as mesmas fun\u00e7\u00f5es dos rel\u00e9s de estado s\u00f3lido, mas s\u00e3o mais amplamente usados no controle de automa\u00e7\u00e3o. Todos os tr\u00eas produtos usam tens\u00e3o baixa e segura para controlar cargas pesadas de alta tens\u00e3o. Os rel\u00e9s intermedi\u00e1rios ou contatores CA podem ter contatos normalmente fechados.<\/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-1f857b4 elementor-widget elementor-widget-image\" data-id=\"1f857b4\" 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=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Normally-closed-AC-Contactor-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16704\" alt=\"Contator CA normalmente fechado\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Normally-closed-AC-Contactor-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Normally-closed-AC-Contactor-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Normally-closed-AC-Contactor-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Normally-closed-AC-Contactor-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Normally-closed-AC-Contactor.jpg 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-a6c2035 elementor-widget elementor-widget-text-editor\" data-id=\"a6c2035\" 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;\">Nossa segunda solu\u00e7\u00e3o \u00e9 usar um rel\u00e9 intermedi\u00e1rio normalmente fechado para controlar indiretamente o rel\u00e9 de estado s\u00f3lido (SSR), o que significa que, se nenhuma tens\u00e3o de controle for aplicada ao rel\u00e9 intermedi\u00e1rio, seu circuito de parte da carga estar\u00e1 em um estado fechado, ou seja, h\u00e1 um sinal de controle na extremidade de controle do rel\u00e9 de estado s\u00f3lido. Quando a tens\u00e3o de controle \u00e9 aplicada ao rel\u00e9 intermedi\u00e1rio, a carga \u00e9 desconectada e n\u00e3o pode mais fornecer um sinal de controle ao rel\u00e9 de estado s\u00f3lido, de modo que o rel\u00e9 de estado s\u00f3lido desconecta a carga.<\/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-fb9c786 elementor-widget elementor-widget-image\" data-id=\"fb9c786\" 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=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Use-intermediate-relay-to-realize-normally-closed-function-for-solid-state-relay-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16703\" alt=\"Use o rel\u00e9 intermedi\u00e1rio para realizar a fun\u00e7\u00e3o normalmente fechada do rel\u00e9 de estado s\u00f3lido\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Use-intermediate-relay-to-realize-normally-closed-function-for-solid-state-relay-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Use-intermediate-relay-to-realize-normally-closed-function-for-solid-state-relay-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Use-intermediate-relay-to-realize-normally-closed-function-for-solid-state-relay-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Use-intermediate-relay-to-realize-normally-closed-function-for-solid-state-relay-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/Use-intermediate-relay-to-realize-normally-closed-function-for-solid-state-relay.jpg 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-9519d5d elementor-widget elementor-widget-heading\" data-id=\"9519d5d\" 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-93d280c elementor-widget elementor-widget-text-editor\" data-id=\"93d280c\" 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, os rel\u00e9s de estado s\u00f3lido normalmente fechados raramente s\u00e3o usados na automa\u00e7\u00e3o industrial. Se for necess\u00e1rio us\u00e1-los, eles podem ser implementados por meio de circuitos externos, como o controle indireto de rel\u00e9s intermedi\u00e1rios normalmente fechados ou o uso de contatores CA normalmente fechados, conforme mencionado acima.<\/span><\/p><p><span style=\"font-weight: 400;\">Como l\u00edder no fornecimento de solu\u00e7\u00f5es de rel\u00e9s de estado s\u00f3lido na China, a Lorentzzi n\u00e3o apenas fornece rel\u00e9s de estado s\u00f3lido de alta qualidade, mas tamb\u00e9m ajuda os clientes a encontrar a melhor solu\u00e7\u00e3o para suas aplica\u00e7\u00f5es. Se voc\u00ea ainda tiver d\u00favidas ou quiser que forne\u00e7amos solu\u00e7\u00f5es, envie 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;\">nossa equipe responder\u00e1 dentro de 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>Have you noticed that all solid-state relays on the market are normally open contact switches if they can be classified according to the different contacts like electromagnetic switches (of course, this classification method is not scientific because solid-state relays are semiconductor switches). 3 Phase Solid State Relay 60 Amp, AC To AC, TSR-60AA View More [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16705,"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-16702","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>NC Solid State Relay: Does It Exist And How to Realize?<\/title>\n<meta name=\"description\" content=\"This blog will reveal the secrets of NC solid state relay: does it really exist? And how to achieve the functions of normally closed SSR.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lorentzzi.com\/pt\/nc-solid-state-relay-does-it-exist-and-how-to-realize\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NC Solid State Relay: Does It Exist And How to Realize?\" \/>\n<meta property=\"og:description\" content=\"This blog will reveal the secrets of NC solid state relay: does it really exist? And how to achieve the functions of normally closed SSR.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lorentzzi.com\/pt\/nc-solid-state-relay-does-it-exist-and-how-to-realize\/\" \/>\n<meta property=\"og:site_name\" content=\"Lorentzzi Industrial Supply-Chinese Manufacturer&amp;Exporter\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-29T05:47:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-07T02:19:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2025\/04\/NC-Solid-State-Relay-Does-It-Exist-And-How-to-Realize-blog-cover.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"640\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Shon\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Shon\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/nc-solid-state-relay-does-it-exist-and-how-to-realize\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/nc-solid-state-relay-does-it-exist-and-how-to-realize\\\/\"},\"author\":{\"name\":\"Shon\",\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/#\\\/schema\\\/person\\\/f4d29474f9d489167c3db9a85835c8d1\"},\"headline\":\"NC Solid State Relay: Does It Exist And How to Realize?\",\"datePublished\":\"2025-04-29T05:47:50+00:00\",\"dateModified\":\"2025-07-07T02:19:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/nc-solid-state-relay-does-it-exist-and-how-to-realize\\\/\"},\"wordCount\":683,\"publisher\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/nc-solid-state-relay-does-it-exist-and-how-to-realize\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lorentzzi.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/NC-Solid-State-Relay-Does-It-Exist-And-How-to-Realize-blog-cover.jpg\",\"articleSection\":[\"Solid State Relay\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/nc-solid-state-relay-does-it-exist-and-how-to-realize\\\/\",\"url\":\"https:\\\/\\\/lorentzzi.com\\\/nc-solid-state-relay-does-it-exist-and-how-to-realize\\\/\",\"name\":\"NC Solid State Relay: Does It Exist And How to Realize?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/nc-solid-state-relay-does-it-exist-and-how-to-realize\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/lorentzzi.com\\\/nc-solid-state-relay-does-it-exist-and-how-to-realize\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lorentzzi.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/NC-Solid-State-Relay-Does-It-Exist-And-How-to-Realize-blog-cover.jpg\",\"datePublished\":\"2025-04-29T05:47:50+00:00\",\"dateModified\":\"2025-07-07T02:19:26+00:00\",\"description\":\"This blog will reveal the secrets of NC solid state relay: does it really exist? 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