{"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\/es\/nc-solid-state-relay-does-it-exist-and-how-to-realize\/","title":{"rendered":"NC Rel\u00e9 de estado s\u00f3lido: \u00bfExiste y c\u00f3mo realizarlo?"},"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;\">\u00bfSe ha dado cuenta de que todos <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/es\/solid-state-relays\/\"><span style=\"font-weight: 400;\">rel\u00e9s de estado s\u00f3lido<\/span><\/a><\/span><span style=\"font-weight: 400;\"> del mercado son interruptores de contacto normalmente abierto si se pueden clasificar seg\u00fan los diferentes contactos como interruptores electromagn\u00e9ticos (por supuesto, este m\u00e9todo de clasificaci\u00f3n no es cient\u00edfico porque los rel\u00e9s de estado s\u00f3lido son interruptores semiconductores).<\/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\/es\/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 control de 60 amperios CA para elementos calefactores 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, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/04\/TSR-60AA-60-amps-AC-control-three-phase-solid-state-relay-for-three-phase-heating-elements-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/04\/TSR-60AA-60-amps-AC-control-three-phase-solid-state-relay-for-three-phase-heating-elements-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/04\/TSR-60AA-60-amps-AC-control-three-phase-solid-state-relay-for-three-phase-heating-elements.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/es\/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\"><h3 class=\"woocommerce-loop-product__title\">Rel\u00e9 trif\u00e1sico de estado s\u00f3lido de 60 amperios, CA a CA, TSR-60AA<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/es\/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=\"Lee m\u00e1s 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=\"\">Leer m\u00e1s<\/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\/es\/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 trif\u00e1sico de estado s\u00f3lido de 40 amperios de CC a 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, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/TSR-40DA-40-amps-DC-to-AC-three-phase-solid-state-relay-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/07\/TSR-40DA-40-amps-DC-to-AC-three-phase-solid-state-relay.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/es\/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\"><h3 class=\"woocommerce-loop-product__title\">TSR-40DA Rel\u00e9 de estado s\u00f3lido trif\u00e1sico de 40 amperios de CC a CA<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/es\/products\/solid-state-relay\/three-phase-solid-state-relay\/tsr-40da-40amps-dc-to-ac-3-phase-solid-state-relay\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9926\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"9926\" data-product_sku=\"\" aria-label=\"Lee m\u00e1s 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=\"\">Leer m\u00e1s<\/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\/es\/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 amperios de CA a 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\/es\/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 amperios de CA a CA<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/es\/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=\"Lee m\u00e1s 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=\"\">Leer m\u00e1s<\/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\/es\/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 amperios de CC a CA para resistencias calefactoras\" 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\/es\/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, monof\u00e1sico de CC a CA 40A SSR<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/es\/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=\"Lee m\u00e1s 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=\"\">Leer m\u00e1s<\/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;\">Se preguntar\u00e1, \u00bfexisten rel\u00e9s de estado s\u00f3lido normalmente cerrados? Si no es as\u00ed, \u00bfc\u00f3mo se puede conseguir esta funci\u00f3n? En este art\u00edculo le daremos una explicaci\u00f3n detallada, as\u00ed como una soluci\u00f3n fiable. Empecemos.<\/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\">\u00bfQu\u00e9 es un 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 intermedio con contactos NC (normalmente cerrado)\" 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;\">El rel\u00e9 de estado s\u00f3lido NC es un interruptor semiconductor como el SSR ordinario, pero su contacto es un contacto normalmente cerrado. Su principio de funcionamiento es: cuando no se aplica ninguna se\u00f1al de control, la carga est\u00e1 siempre encendida; cuando se aplica una se\u00f1al de control, la carga est\u00e1 apagada.<\/span><\/p><p><span style=\"font-weight: 400;\">Ahora que un rel\u00e9 de estado s\u00f3lido normalmente cerrado funciona de forma muy similar a un rel\u00e9 electromagn\u00e9tico con contactos normalmente cerrados, pero \u00bfexiste? \u00bfPor qu\u00e9 no lo vemos a la venta abiertamente en el mercado? En la siguiente secci\u00f3n, explicar\u00e9 por qu\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-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\">\u00bfExisten rel\u00e9s de estado s\u00f3lido NC y por qu\u00e9?<\/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;\">En realidad, los rel\u00e9s de estado s\u00f3lido normalmente cerrados no son muy comunes. \u00bfPor qu\u00e9? Podemos empezar estudiando los componentes de los rel\u00e9s de estado s\u00f3lido. Como mencionamos en <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/es\/ssr-vs-relay-which-one-is-better\/\"><span style=\"font-weight: 400;\">blogs anteriores<\/span><\/a><\/span><span style=\"font-weight: 400;\">El circuito de salida de un rel\u00e9 de estado s\u00f3lido se construye alrededor del tiristor en un rel\u00e9 de estado s\u00f3lido de salida de CA o del MOSFET en un rel\u00e9 de estado s\u00f3lido de salida de CC.<\/span><\/p><p><span style=\"font-weight: 400;\">El concepto de rel\u00e9 de estado s\u00f3lido (SSR) normalmente cerrado significa que tiene contactos normalmente cerrados similares a los de un rel\u00e9 electromagn\u00e9tico. De lo anterior se deduce que los contactos normalmente cerrados se realizan mediante sus elementos (tiristores o MOSFET). Esto nos lleva a la siguiente pregunta: \u00bfExisten tiristores o MOSFET normalmente cerrados?<\/span><\/p><p><span style=\"font-weight: 400;\">En realidad, no existen tiristores ni MOSFET normalmente cerrados. Sin embargo, utilizando circuitos o componentes externos, todav\u00eda es posible construir un rel\u00e9 de estado s\u00f3lido normalmente cerrado. \u00bfC\u00f3mo? En la siguiente secci\u00f3n te ense\u00f1amos c\u00f3mo.<\/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\">\u00bfC\u00f3mo realizar una funci\u00f3n de rel\u00e9 de estado s\u00f3lido normalmente cerrado?<\/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 proveedor profesional de soluciones de rel\u00e9s de estado s\u00f3lido,<\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/es\/\"> <b>Lorentzzi<\/b><\/a><\/span><span style=\"font-weight: 400;\"> tambi\u00e9n se ha encontrado con consultas y demandas de clientes similares. Nos pidieron rel\u00e9s de estado s\u00f3lido normalmente cerrados. \u00bfCu\u00e1l es nuestra soluci\u00f3n?<\/span><\/p><p><span style=\"font-weight: 400;\">Tenemos dos soluciones: La primera opci\u00f3n es confirmar si el cliente acepta cambiar el actuador de rel\u00e9 de estado s\u00f3lido (SSR) a rel\u00e9 intermedio (para carga peque\u00f1a) o contactor de CA (para carga grande). Como todos sabemos, los rel\u00e9s intermedios y los contactores de CA tienen las mismas funciones que los rel\u00e9s de estado s\u00f3lido, pero su uso est\u00e1 m\u00e1s extendido en el control de automatizaci\u00f3n. Los tres productos utilizan una tensi\u00f3n baja y segura para controlar cargas pesadas de alta tensi\u00f3n. Los rel\u00e9s intermedios o los contactores de CA pueden tener contactos normalmente cerrados.<\/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=\"Contactor de CA normalmente cerrado\" 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;\">Nuestra segunda soluci\u00f3n es utilizar un rel\u00e9 intermedio normalmente cerrado para controlar indirectamente el rel\u00e9 de estado s\u00f3lido (SSR), lo que significa que si no se aplica tensi\u00f3n de control al rel\u00e9 intermedio, su circuito de parte de carga est\u00e1 en estado cerrado, es decir, hay una se\u00f1al de control en el extremo de control del rel\u00e9 de estado s\u00f3lido. Cuando se aplica la tensi\u00f3n de control al rel\u00e9 intermedio, la carga se desconecta y ya no puede proporcionar una se\u00f1al de control al rel\u00e9 de estado s\u00f3lido, por lo que \u00e9ste desconecta la 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=\"Utilizar rel\u00e9 intermedio para realizar la funci\u00f3n normalmente cerrado del 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\">Conclusi\u00f3n<\/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;\">En resumen, los rel\u00e9s de estado s\u00f3lido normalmente cerrados rara vez se utilizan en la automatizaci\u00f3n industrial. Si deben utilizarse, pueden implementarse mediante circuitos externos, como el control indirecto de rel\u00e9s intermedios normalmente cerrados o el uso de contactores de CA normalmente cerrados, como se ha mencionado anteriormente.<\/span><\/p><p><span style=\"font-weight: 400;\">Como proveedor l\u00edder de soluciones de rel\u00e9s de estado s\u00f3lido en China, Lorentzzi no s\u00f3lo proporciona rel\u00e9s de estado s\u00f3lido de alta calidad, sino que tambi\u00e9n ayuda a los clientes a encontrar la mejor soluci\u00f3n para sus aplicaciones. Si a\u00fan tiene preguntas o desea que le proporcionemos soluciones, env\u00ede su consulta a <\/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;\">Nuestro equipo le responder\u00e1 en un plazo 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\/es\/nc-solid-state-relay-does-it-exist-and-how-to-realize\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\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? 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