{"id":1603,"date":"2026-05-08T11:54:07","date_gmt":"2026-05-08T03:54:07","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&#038;p=1603"},"modified":"2026-07-17T10:58:36","modified_gmt":"2026-07-17T02:58:36","slug":"szjb300a-d-normally-closed-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/nl\/product\/szjb300a-d-normally-closed-dc-contactor\/","title":{"rendered":"SZJB300A-D Normaal Gesloten DC Schakelaar"},"content":{"rendered":"<h2><strong><span style=\"font-weight: var(--bs-h-font-weight); margin-left: 5px;\">KENMERKEN<\/span><\/strong><\/h2>\n<div><\/div>\n<div>Battery management systems also benefit from the use of normally closed DC contactors. In situations where the battery is at risk of overload or short circuit, these contactors can effectively cut off the power supply, protecting the battery and circuit from damage. This application is particularly important in electric vehicles and renewable energy systems, where battery safety is a top priority.<\/div>\n<h2><strong>SAYOON-MODELIMPLICATIE<\/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=\"73\">\n<p align=\"center\">SZJB<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">300A<\/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\">\/\u25a1<\/p>\n<\/td>\n<td rowspan=\"2\" valign=\"bottom\" nowrap=\"nowrap\" width=\"216\">\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<\/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=\"73\">\n<p align=\"center\">1<\/p>\n<\/td>\n<td valign=\"top\" nowrap=\"nowrap\" width=\"72\"><b>Producttype<\/b><b><\/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<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>Nominale stroom<\/b><b><\/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<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=\"9\" valign=\"top\" width=\"648\"><b>Coil type:<\/b>\u00a0<b>D<\/b>-Single coil structure<\/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=\"648\"><b>Hulpstroomschakelaar: Geen<\/b>-Zonder hulpschakelaar;\u00a0<b>S<\/b>- Met hulpschakelaar<\/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=\"648\"><b>Mounting bracket type:<\/b>\u00a0<b>Geen<\/b>-M Horizontal (default);\u00a0<b>E<\/b>-Level embedded;\u00a0<b>X<\/b>-Oblique;\u00a0<b>L(N)<\/b>-Vertical;\u00a0<b>E1<\/b>-Level embedded single direction<\/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\" nowrap=\"nowrap\"><b>Andere functiecodes<\/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>Nominale spoelspanning:\u00a0<\/b>12V, 24V, 36V, 48V, 60V, 72V enz.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>Gebruikt<\/strong><\/h2>\n<div>This product have one normally close contact, for electric vehicles, telecommunication equipment, engineering machinery, car batteries, electric forklift trucks, trains, ships, electronic control systems such as uninterruptible power supply.<\/div>\n<h2><strong>Technical Parameters:\u00a0 (Version 1.81)<\/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>SAYOON-producttype<\/b><\/p>\n<\/td>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>SZJB300A-D<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contactformulier<\/td>\n<td valign=\"center\">\u00a01 NC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Nominale spoelspanning (DC V)<\/td>\n<td valign=\"center\">\u00a06V, 12V, 24V, 36V, 48V, 60V, 72V, 84V, 120V, 150V, 220V enz.<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contactspanning (DC V)<\/td>\n<td valign=\"center\">\u00a0\u226460V<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Nominale belastingstroom van contact 48V-circuit (DC-1)<\/td>\n<td valign=\"center\">\u00a0300A<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Typische spanningsval over contacten per 100A<\/td>\n<td valign=\"center\">\u00a0&gt;80mV<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0De afvaltrekspanning bij (20\u00b15)\u2103 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f70%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0De afvaltspanning bij (20\u00b15)\u2103 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f35%,\u226e5%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Werkspanningbereik van een 40\u2103 spoel<\/td>\n<td valign=\"center\">\u00a00,8-1,2 us<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Afvaltijd (maakcontacten)<\/td>\n<td valign=\"center\">\u00a010 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Aantrektijd (maakcontacten sluiten)<\/td>\n<td valign=\"center\">\u00a020ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Maximale dachttijd voor contactverbinding<\/td>\n<td valign=\"center\">\u00a010 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Maximale derteltijd voor contactverbreking<\/td>\n<td valign=\"center\">\u00a03 ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Isolatieweerstand<\/td>\n<td valign=\"center\">\u00a020 M\u03a9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Elektrische sterkte om te weerstaan<\/td>\n<td valign=\"center\">\u00a050Hz\/60Hz 1000VAC 1 minuut<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Typische te onderbreken foutstromen<\/td>\n<td valign=\"center\">\u00a01000A\/5ms bij 48V\/DC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Spoelvermogen (W)<\/td>\n<td valign=\"center\">\u00a07-15<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temperatuurstijging van de spoel (K)<\/td>\n<td valign=\"center\">\u00a0\u226480<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temperatuurstijging op uitgaande klem (K)<\/td>\n<td valign=\"center\">\u00a0\u226465<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Elektrisch leven<\/td>\n<td valign=\"center\">\u00a020.000 keer<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Mechanisch leven<\/td>\n<td valign=\"center\">\u00a0300.000 keer<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Werkomschrijving<\/td>\n<td valign=\"center\">\u00a0Continu<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contactmateriaal<\/td>\n<td valign=\"center\">\u00a0Zilverlegering<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Laad terminaltype<\/td>\n<td valign=\"center\">\u00a0M8-schroef<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Spoelaansluiting type<\/td>\n<td valign=\"center\">\u00a0M4-schroef<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Nominale belasting hulpcontact (optioneel)<\/td>\n<td valign=\"center\">\u00a02A\/48VDC, 5A\/24VDC\uff0c1NO 1NC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Certificering van testorganisaties<\/td>\n<td valign=\"center\">\u00a0CE,FCC,RoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p>Opmerking: Vanwege de verschillende gebruiksomgevingen van klanten die een andere focus van de functies vereisen, en om de alomvattende eigenschappen van onze producten te verbeteren, kan Sayoon de spoelparameters, temperatuurstijging enzovoort aanpassen. De bovenstaande parameters zijn alleen ter referentie. Raadpleeg voor details de richtlijnen voor de selectie en het gebruik van de SAYOON DC-contactor.<\/p>\n<\/div>\n<h2><strong>Belastingskarakteristiek<\/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-200-20k.webp\" alt=\"fzsm-200-20k\" \/><\/li>\n<li class=\"list-group-item\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/fzsj-200-1000.webp\" alt=\"fzsj-200-1000\" \/><\/li>\n<\/ul>\n<h2><strong>Installatiediagram<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/szj200a-d.webp\" alt=\"szj200a-d\" \/><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/szj200a-d_1.webp\" alt=\"szj200a-d_1\" \/><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/szj200a-d-s.webp\" alt=\"szj200a-d-s\" \/><\/div>\n<h2><strong>Bedradingsschema<\/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>Temperatuurcurve<\/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>Mechanisch vermogen en het gebruik van de omgeving<\/strong><\/h2>\n<div>\n<div class=\"table-wrap\">\n<table border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"center\">\u00a0Aandraaimoment contactstift M8 (N.m)<\/td>\n<td valign=\"center\">\u00a0\u226f9,0 passend<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Aanhaalmoment spoeldraad M4 (N\u00b7m)<\/td>\n<td valign=\"center\">\u00a0\u226f1,2 passend<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Omgevingstemperatuur<\/td>\n<td valign=\"center\">\u00a0-25~+70\u2103<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Relatieve vochtigheid<\/td>\n<td valign=\"center\">\u00a0+20 \u2103 98%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Trillingsfrequentie op de vaste positie<\/td>\n<td valign=\"center\">\u00a03G, 1\u201350Hz amplitude 0,5mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Hersenschudding<\/td>\n<td valign=\"center\">\u00a0(60\uff5e100) slagen\/minuut, versnelling \u2264 4g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Hoogte<\/td>\n<td valign=\"center\">\u00a02000m<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Installatierichting<\/td>\n<td valign=\"center\">\u00a0Willekeurig<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0International Protection<\/td>\n<td valign=\"center\">\u00a0IP40 (volgens IEC60947)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>Bestelinstructie<\/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>SAYOON-producttype<\/b><\/p>\n<\/td>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>SZJB300A-D<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0U.N.W.<\/td>\n<td valign=\"center\">\u00a0530g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Aantal verpakkingen.<\/td>\n<td valign=\"center\">\u00a050PCS<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Montagebeugel type<\/td>\n<td valign=\"center\">\u00a0None &#8211; M Horizontal(default), E Level Embedded, X Oblique, L (N) Vertical, E1 Level embedded single direction<\/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 SZJB300A-D\/24V 100pcs, indicating the load rated current 300A, 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 SZJB300A-D Normally Closed DC Contactor perfect for reliable switching and control in various applications. Ideal for your automation needs!<\/p>","protected":false},"featured_media":1604,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":["post-1603","product","type-product","status-publish","has-post-thumbnail","product_cat-szj-series-dc-contactor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/nl\/wp-json\/wp\/v2\/product\/1603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/nl\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/nl\/wp-json\/wp\/v2\/media\/1604"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/nl\/wp-json\/wp\/v2\/media?parent=1603"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/nl\/wp-json\/wp\/v2\/product_brand?post=1603"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/nl\/wp-json\/wp\/v2\/product_cat?post=1603"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/nl\/wp-json\/wp\/v2\/product_tag?post=1603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}