{"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\/fr\/product\/qzjb50a-d-normally-closed-dc-contactor\/","title":{"rendered":"Contacteur CC normalement ferm\u00e9 QZJB50A-D"},"content":{"rendered":"<h2><strong><span style=\"font-weight: var(--bs-h-font-weight); margin-left: 5px;\">CARACT\u00c9RISTIQUES<\/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>IMPLICATION DU MOD\u00c8LE 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>Type de produit<\/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>Courant 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>Contact auxiliaire : Aucun<\/b>-Sans interrupteur auxiliaire;\u00a0<b>S<\/b>- Avec interrupteur auxiliaire<\/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>Type de support de fixation : Aucun<\/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>Autres codes de fonction<\/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>Autres fonctions sp\u00e9ciales : V-<\/b>Avec charge capacitive<\/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>Tension nominale de la bobine :\u00a0<\/b>12V, 24V, 36V, 48V, 60V, 72V, etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>Utilisations<\/strong><\/h2>\n<div>Ce produit dispose d'un contact normalement ferm\u00e9, pour armoire 5G, \u00e9quipement de t\u00e9l\u00e9communication, machines de chantier, batteries de voiture, chariots \u00e9l\u00e9vateurs \u00e9lectriques, trains, navires, syst\u00e8mes de commande \u00e9lectronique tels que l'alimentation sans coupure.<\/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>Type de produit 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\">\u00a0Formulaire de contact<\/td>\n<td valign=\"center\">\u00a01 NC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tension nominale de la bobine (V CC)<\/td>\n<td valign=\"center\">\u00a06V, 12V, 24V, 36V, 48V, 60V, 72V, 96V, etc.<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tension de contact (V CC)<\/td>\n<td valign=\"center\">\u00a0\u2264150V<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Courant de charge nominal du contact, circuit 48V (A)<\/td>\n<td valign=\"center\">\u00a050A<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Courant de charge nominal du circuit de contact<\/td>\n<td valign=\"center\">\u00a0\u226f80mV<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0La tension de collage de refroidissement \u00e0 (20\u00b15)\u2103 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f70%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Tension de d\u00e9collage \u00e0 (20\u00b15)\u2103 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f50%,\u226e5%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Plage de tension de fonctionnement de la bobine \u00e0 40 \u00b0C<\/td>\n<td valign=\"center\">\u00a00,8-1,2 \u00b5s<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temps de chute (contacts N.O. ouverts)<\/td>\n<td valign=\"center\">\u00a015 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temps d'enclenchement (contacts N.O. \u00e0 la fermeture)<\/td>\n<td valign=\"center\">\u00a05 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temps de rebond maximal pour la connexion de contact<\/td>\n<td valign=\"center\">\u00a010 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temps de rebond maximal pour la d\u00e9connexion de contact<\/td>\n<td valign=\"center\">\u00a03 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0R\u00e9sistance d'isolement<\/td>\n<td valign=\"center\">\u00a020 M\u03a9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0La force \u00e9lectrique \u00e0 r\u00e9sister<\/td>\n<td valign=\"center\">\u00a050 Hz \/ 60 Hz 1000 VAC 1 minute<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Courants de d\u00e9faut typiques pouvant \u00eatre coup\u00e9s<\/td>\n<td valign=\"center\">\u00a0600A\/5ms at 48V DC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Puissance de la bobine (W)<\/td>\n<td valign=\"center\">\u00a05-9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\u00c9l\u00e9vation de temp\u00e9rature de la bobine (K)<\/td>\n<td valign=\"center\">\u00a0\u226460<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\u00c9l\u00e9vation de temp\u00e9rature sur la borne de sortie (K)<\/td>\n<td valign=\"center\">\u00a0\u2264 65<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Vie \u00e9lectrique<\/td>\n<td valign=\"center\">\u00a020 000 fois<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Vie m\u00e9canique<\/td>\n<td valign=\"center\">\u00a0300 000 fois<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Sp\u00e9cification des travaux<\/td>\n<td valign=\"center\">\u00a0Continu<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Mat\u00e9riau de contact<\/td>\n<td valign=\"center\">\u00a0Alliage d'Ag<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Type de terminal de charge<\/td>\n<td valign=\"center\">\u00a0M5 Screw<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Type de borne de bobine<\/td>\n<td valign=\"center\">\u00a0Vis M3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p>Remarque : Compte tenu des diff\u00e9rents environnements d'utilisation des clients qui n\u00e9cessitent des priorit\u00e9s fonctionnelles diff\u00e9rentes, et afin d'am\u00e9liorer les propri\u00e9t\u00e9s globales de nos produits, SAYOON peut ajuster les param\u00e8tres de la bobine, l'\u00e9l\u00e9vation de temp\u00e9rature, etc. Les param\u00e8tres ci-dessus sont fournis \u00e0 titre indicatif uniquement. Pour plus de d\u00e9tails, veuillez vous r\u00e9f\u00e9rer aux directives de s\u00e9lection et d'utilisation du contacteur CC SAYOON.<\/p>\n<\/div>\n<h2><strong>Courbe caract\u00e9ristique de charge<\/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>Sch\u00e9ma d'installation<\/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>Sch\u00e9ma de c\u00e2blage<\/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>Courbe de temp\u00e9rature<\/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>Aptitude m\u00e9canique et utilisation de l'environnement<\/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&gt;2,5 appropri\u00e9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Couple de serrage de la sortie de bobine M3 (N.m)<\/td>\n<td valign=\"center\">\u00a0\u226f0,8 appropri\u00e9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temp\u00e9rature ambiante<\/td>\n<td valign=\"center\">\u00a0-25~+70\u00b0C<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Humidit\u00e9 relative<\/td>\n<td valign=\"center\">\u00a0+20 \u00b0C 98%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Fr\u00e9quence de vibration \u00e0 la position fixe<\/td>\n<td valign=\"center\">\u00a03G, 1 \u00e0 50 Hz amplitude 0,5 mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Commotion c\u00e9r\u00e9brale<\/td>\n<td valign=\"center\">\u00a0(60 \u00e0 100) fois\/minute, acc\u00e9l\u00e9ration \u2264 4 g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Altitude<\/td>\n<td valign=\"center\">\u00a02000m<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Sens d'installation<\/td>\n<td valign=\"center\">\u00a0Al\u00e9atoire<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Protection internationale<\/td>\n<td valign=\"center\">\u00a0IP40 (selon IEC 60947)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>Instruction de commande<\/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>Type de produit 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\">\u00a0Type de support de fixation<\/td>\n<td valign=\"center\">\u00a0M Horizontal (par d\u00e9faut)<\/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\/fr\/wp-json\/wp\/v2\/product\/1454","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/media\/1455"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/media?parent=1454"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/product_brand?post=1454"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/product_cat?post=1454"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/product_tag?post=1454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}