{"id":1454,"date":"2026-05-08T11:53:19","date_gmt":"2026-05-08T03:53:19","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&#038;p=1454"},"modified":"2026-07-16T10:30:42","modified_gmt":"2026-07-16T02:30:42","slug":"qzjb50a-d-normally-closed-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/es\/product\/qzjb50a-d-normally-closed-dc-contactor\/","title":{"rendered":"Contactor de CC normalmente cerrado QZJB50A-D"},"content":{"rendered":"<h2><strong><span style=\"font-weight: var(--bs-h-font-weight); margin-left: 5px;\">CARACTER\u00cdSTICAS<\/span><\/strong><\/h2>\n<div><\/div>\n<div>Reliability is a major feature of normally closed DC contactors. These devices are designed to withstand frequent switching operations and are suitable for use in demanding industrial environments. Their long service life reduces the need for frequent replacement, which can be expensive and time-consuming. In industries where downtime can result in significant financial losses, the reliability of normally closed DC contactors is a critical factor in maintaining operational efficiency. Their rugged construction ensures they can withstand the rigors of daily use, giving operators and engineers alike peace of mind.<\/div>\n<h2><strong>IMPLICACI\u00d3N DEL MODELO SAYOON<\/strong><\/h2>\n<div class=\"product-table\">\n<div class=\"table-wrap\">\n<table border=\"0\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">QZJB<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">50A<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">-D<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">-S<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">-\u25a1<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">-\u25a1<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">\u25a0<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">\/\u25a1<\/p>\n<\/td>\n<td rowspan=\"2\" valign=\"bottom\" nowrap=\"nowrap\" width=\"144\">\n<p align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\" nowrap=\"nowrap\">\n<p align=\"center\">1<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\">\n<p align=\"center\">2<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\">\n<p align=\"center\">3<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\">\n<p align=\"center\">4<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\">\n<p align=\"center\">5<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\">\n<p align=\"center\">6<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\">\n<p align=\"center\">7<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\">\n<p align=\"center\">8<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class=\"noborder-table\">\n<div class=\"table-wrap\">\n<table border=\"0\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">1<\/p>\n<\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><b>Tipo de producto<\/b><b><\/b><\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><b>\u00a0<\/b><\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap=\"nowrap\">\n<p align=\"center\">2<\/p>\n<\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><b>Corriente nominal<\/b><b><\/b><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><b>\u00a0<\/b><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap=\"nowrap\">\n<p align=\"center\">3<\/p>\n<\/td>\n<td colspan=\"7\" valign=\"top\" nowrap=\"nowrap\"><b>Coil type: None<\/b>-Double coil structure;\u00a0<b>D<\/b>-Single coil structure<b><\/b><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<td valign=\"top\" nowrap=\"nowrap\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap=\"nowrap\">\n<p align=\"center\">4<\/p>\n<\/td>\n<td colspan=\"9\" valign=\"top\" width=\"720\"><b>Interruptor auxiliar: Ninguno<\/b>-Sin interruptor auxiliar;\u00a0<b>S<\/b>-Con interruptor auxiliar<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap=\"nowrap\">\n<p align=\"center\">5<\/p>\n<\/td>\n<td colspan=\"9\" valign=\"top\" width=\"504\"><b>Tipo de soporte de montaje: Ninguno<\/b>-M Horizontal (default)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap=\"nowrap\">\n<p align=\"center\">6<\/p>\n<\/td>\n<td colspan=\"9\" valign=\"top\" width=\"504\"><b>Otros c\u00f3digos de funci\u00f3n<\/b><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap=\"nowrap\">\n<p align=\"center\">7<\/p>\n<\/td>\n<td colspan=\"9\" valign=\"top\" nowrap=\"nowrap\"><b>Otras funciones especiales: V-<\/b>Con carga capacitiva<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" nowrap=\"nowrap\">\n<p align=\"center\">8<\/p>\n<\/td>\n<td colspan=\"9\" valign=\"top\" nowrap=\"nowrap\"><b>Tensi\u00f3n nominal de la bobina:\u00a0<\/b>12V, 24V, 36V, 48V, 60V, 72V, etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>Usos<\/strong><\/h2>\n<div>Este producto tiene un contacto normalmente cerrado, para armarios 5G, equipos de telecomunicaciones, maquinaria de ingenier\u00eda, bater\u00edas de autom\u00f3viles, carretillas elevadoras el\u00e9ctricas, trenes, barcos, sistemas de control electr\u00f3nico como fuentes de alimentaci\u00f3n ininterrumpida.<\/div>\n<h2><strong>Technical Parameters:\u00a0 (Version 1.33)<\/strong><\/h2>\n<div>\n<div class=\"table-wrap\">\n<table border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>Tipo de producto SAYOON<\/b><\/p>\n<\/td>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>QZJB50A-D<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Formulario de contacto<\/td>\n<td valign=\"center\">\u00a01 NC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tensi\u00f3n nominal de la bobina (CC V)<\/td>\n<td valign=\"center\">\u00a06V, 12V, 24V, 36V, 48V, 60V, 72V, 96V, etc.<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tensi\u00f3n de contacto (CC V)<\/td>\n<td valign=\"center\">\u00a0\u2264150V<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Corriente de carga nominal del contacto del circuito de 48 V (A)<\/td>\n<td valign=\"center\">\u00a050A<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Corriente nominal de carga del circuito de contactos<\/td>\n<td valign=\"center\">\u00a0&gt;80 mV<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0El voltaje de activaci\u00f3n de enfriamiento a (20\u00b15)\u2103 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f70%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Voltaje de ca\u00edda de refrigeraci\u00f3n a (20\u00b15)\u2103 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f50%,\u226e5%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Rango de voltaje de trabajo de la bobina a 40 \u2103<\/td>\n<td valign=\"center\">\u00a00,8-1,2 us<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tiempo de desconexi\u00f3n (contactos normalmente abiertos)<\/td>\n<td valign=\"center\">\u00a015 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tiempo de actuaci\u00f3n (contactos n.a. al cierre)<\/td>\n<td valign=\"center\">\u00a05 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tiempo m\u00e1ximo de rebote para conexi\u00f3n de contactos<\/td>\n<td valign=\"center\">\u00a010 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tiempo m\u00e1ximo de rebote para la desconexi\u00f3n de contactos<\/td>\n<td valign=\"center\">\u00a03 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Resistencia de aislamiento<\/td>\n<td valign=\"center\">\u00a020 M\u03a9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Resistencia diel\u00e9ctrica para resistir<\/td>\n<td valign=\"center\">\u00a050Hz\/60Hz 1000VAC 1 minuto<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Corrientes de falta t\u00edpicas que se pueden interrumpir<\/td>\n<td valign=\"center\">\u00a0600A\/5ms at 48V DC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Potencia de la bobina (W)<\/td>\n<td valign=\"center\">\u00a05-9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Aumento de temperatura de la bobina (K)<\/td>\n<td valign=\"center\">\u00a0\u226460<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Aumento de temperatura en el terminal de salida (K)<\/td>\n<td valign=\"center\">\u00a0\u226465<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Vida el\u00e9ctrica<\/td>\n<td valign=\"center\">\u00a020 000 veces<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Vida \u00fatil mec\u00e1nica<\/td>\n<td valign=\"center\">\u00a0300 000 veces<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Pliego de condiciones<\/td>\n<td valign=\"center\">\u00a0Continuo<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Material de contacto<\/td>\n<td valign=\"center\">\u00a0Aleaci\u00f3n de plata<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tipo de terminal de carga<\/td>\n<td valign=\"center\">\u00a0M5 Screw<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tipo de terminal de bobina<\/td>\n<td valign=\"center\">\u00a0Tornillo M3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p>Nota: Teniendo en cuenta los diferentes entornos de uso de los clientes, que requieren un enfoque espec\u00edfico de las funciones, y con el fin de mejorar las propiedades generales de nuestros productos, SAYOON puede ajustar los par\u00e1metros de la bobina, el aumento de temperatura, etc. Los par\u00e1metros anteriores son meramente orientativos. Para obtener m\u00e1s detalles, consulte las directrices de selecci\u00f3n y uso del contactor de CC de SAYOON.<\/p>\n<\/div>\n<h2><strong>Curva caracter\u00edstica de carga<\/strong><\/h2>\n<ul class=\"list-group center-list\">\n<li class=\"list-group-item\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/fzsm-50-20k.webp\" alt=\"fzsm-50-20k\" \/><\/li>\n<li class=\"list-group-item\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/fzsj-50-500.webp\" alt=\"fzsj-50-500\" \/><\/li>\n<\/ul>\n<h2><strong>Diagrama de instalaci\u00f3n<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/qzj50a-d.webp\" alt=\"qzj50a-d\" \/><\/div>\n<h2><strong>Diagrama de cableado<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/thu-01_e.webp\" alt=\"czw-01_e\" \/><\/div>\n<h2><strong>Curva de temperatura<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/xqws-szj100a-d.webp\" alt=\"xqws-szj100a-d\" \/><\/div>\n<h2><strong>Capacidad mec\u00e1nica y uso del entorno<\/strong><\/h2>\n<div>\n<div class=\"table-wrap\">\n<table border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"center\">\u00a0Contact lead M5 tightening torque (N.m)<\/td>\n<td valign=\"center\">\u00a0\u226f2,5 apropiado<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Par de apriete del terminal de la bobina M3 (N.m)<\/td>\n<td valign=\"center\">\u00a0\u226f0.8 adecuado<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temperatura ambiente<\/td>\n<td valign=\"center\">\u00a0-25~+70\u2103<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Humedad relativa<\/td>\n<td valign=\"center\">\u00a0+20 \u2103 98%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Frecuencia de vibraci\u00f3n en la posici\u00f3n fija<\/td>\n<td valign=\"center\">\u00a03G, 1\u201350 Hz, amplitud de 0.5 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Conmoci\u00f3n cerebral<\/td>\n<td valign=\"center\">\u00a0(60\uff5e100) veces\/minuto, aceleraci\u00f3n\u22644g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Altitud<\/td>\n<td valign=\"center\">\u00a02000m<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Instrucciones de instalaci\u00f3n<\/td>\n<td valign=\"center\">\u00a0Aleatorio<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Protecci\u00f3n Internacional<\/td>\n<td valign=\"center\">\u00a0IP40 (Seg\u00fan IEC60947)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>Instrucci\u00f3n de pedido<\/strong><\/h2>\n<div>\n<div class=\"table-wrap\">\n<table border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>Tipo de producto SAYOON<\/b><\/p>\n<\/td>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>QZJB50A-D<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tipo de soporte de montaje<\/td>\n<td valign=\"center\">\u00a0M Horizontal (predeterminado)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p>When ordering, please state the following: name, full model, control coil voltage specification, installation frame type, whether with auxiliary contact, order quantity. For example: DC Contactor QZJB50A-D\/24V 100pcs, indicating the load rated current 50A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Discover the QZJB50A-D Normally Closed DC Contactor for reliable performance and safety. Perfect for your electrical projects. Shop now!<\/p>","protected":false},"featured_media":1455,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[55],"product_tag":[],"class_list":["post-1454","product","type-product","status-publish","has-post-thumbnail","product_cat-qzj-series-dc-contactor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product\/1454","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/media\/1455"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/media?parent=1454"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_brand?post=1454"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_cat?post=1454"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_tag?post=1454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}