{"id":1379,"date":"2026-05-08T11:52:54","date_gmt":"2026-05-08T03:52:54","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&#038;p=1379"},"modified":"2026-07-15T10:40:33","modified_gmt":"2026-07-15T02:40:33","slug":"czw3000a-normally-open-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/fr\/product\/czw3000a-normally-open-dc-contactor\/","title":{"rendered":"CZW3000A Normally Open DC Contactor"},"content":{"rendered":"<h2><strong><span style=\"font-weight: var(--bs-h-font-weight); margin-left: 5px;\">FEATURES<\/span><\/strong><\/h2>\n<div><\/div>\n<div>In addition to their rugged design, normally open DC contactors feature fast response speeds. The ability to quickly switch states in response to control signals improves the overall efficiency of the system. In time-critical applications, such as automated processes or power management systems, the contactor&#8217;s fast response can significantly improve performance. This feature not only optimizes the operation of connected equipment, but also saves energy by reducing unnecessary power consumption.<\/div>\n<h2><strong>SAYOON MODEL IMPLICATION<\/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\">CZW<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">3000A<\/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\">-C<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">-K<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">-M<\/p>\n<\/td>\n<td valign=\"center\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">-\u25a1<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">\/24V<\/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>Product type<\/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>Rated current<\/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>Auxiliary switch: None<\/b>-Without auxiliary switch;\u00a0<b>S<\/b>-With auxiliary switch<\/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>Magnetic blow-out<\/b><b><\/b><\/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>Magetic holding structure: K<\/b>-Two joint magnetic retention (Single coil, Two joint self-locking);\u00a0<b>2K<\/b>-Three joint magnetic retention (Double coil, Three joint self-locking)<\/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=\"648\"><b>Mounting bracket type: 2L<\/b>-Two vertical (default);\u00a0<b>M<\/b>-Horizontal<\/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\" width=\"648\"><b>Other function codes: l<\/b>-With suppressor diode;\u00a0<b>R<\/b>-With pre-charged resistance;\u00a0<b>CO<\/b>-Continuous;\u00a0<b>IN<\/b>-Intermittent<b><\/b><\/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>Coil rated voltage:\u00a0<\/b>12V, 24V, 36V, 48V, 60V, 72V etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>Uses<\/strong><\/h2>\n<div>This product have one normally open 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 2.31)<\/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 Product Type<\/b><\/p>\n<\/td>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>CZW3000A<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contact form<\/td>\n<td valign=\"center\">\u00a01 NO<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Coil Rated voltage (DC V)<\/td>\n<td valign=\"center\">\u00a06V,12V,24V,36V,48V,60V,72V,84V,120V,150V,220V etc.<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contact voltage (DC V)<\/td>\n<td valign=\"center\">\u00a0\u226480V<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Rated load current of contact 48V circuit (DC-1)<\/td>\n<td valign=\"center\">\u00a03000A<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Typical voltage drop across contacts per 100A<\/td>\n<td valign=\"center\">\u00a0\u226f80mV<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0The cooling pull-in voltage at (20\u00b15)\u2103 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f70%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0The cooling drop-out voltage at (20\u00b15)\u2103 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f35%,\u226e5%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Working voltage range of 40\u2103 coil<\/td>\n<td valign=\"center\">\u00a00.8-1.2Us<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Drop-out time (n\/o contacts to open)<\/td>\n<td valign=\"center\">\u00a050ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Pull-in time (n\/o contacts to close)<\/td>\n<td valign=\"center\">\u00a050ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Maximum bounce time for contact connection<\/td>\n<td valign=\"center\">\u00a010ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Maximum bounce time for contact disconnection<\/td>\n<td valign=\"center\">\u00a03ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Insulation resistance<\/td>\n<td valign=\"center\">\u00a020M\u03a9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Electric strength to resist<\/td>\n<td valign=\"center\">\u00a050Hz\/60Hz 1000VAC 1minute<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Typical fault currents which can be ruptured<\/td>\n<td valign=\"center\">\u00a06000A\/5ms at 48V DC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Coil power (W)<\/td>\n<td valign=\"center\">\u00a020-45<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temperature rise of coil (K)<\/td>\n<td valign=\"center\">\u00a0\u226480<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temperature rise on outgoing terminal (K)<\/td>\n<td valign=\"center\">\u00a0\u226465<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Electrical life<\/td>\n<td valign=\"center\">\u00a010,000 times<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Mechanical life<\/td>\n<td valign=\"center\">\u00a0300,000 times<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Work specification<\/td>\n<td valign=\"center\">\u00a0Continuous (default) or Intermittent<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contact material<\/td>\n<td valign=\"center\">\u00a0Ag alloy<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Load terminal type<\/td>\n<td valign=\"center\">\u00a03-M12 Screw<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Coil terminal type<\/td>\n<td valign=\"center\">\u00a00.3 square wire,320mm long<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Auxiliary contact rated load (optional)<\/td>\n<td valign=\"center\">\u00a02A\/48VDC, 5A\/24VDC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p>Note:As regarding to the different using environments of customers which requires different focus of the functions,and in order to improve the comprehensive properties of our products,sayoon may adjust the coil parameters,temperature rise and so on. The above parameters are for reference only, For details, please refer to the guidelines for selection and use of the SAYOON DC contactor.<\/p>\n<\/div>\n<h2><strong>Load Characteristic Curve<\/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-3000-10k.webp\" alt=\"fzsm-3000-10k\" \/><\/li>\n<li class=\"list-group-item\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/fzsj-3000-6000.webp\" alt=\"fzsj-3000-6000\" \/><\/li>\n<\/ul>\n<h2><strong>Installation Diagram<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/czw3000a.webp\" alt=\"czw3000a\" \/><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/czw3000a_1.webp\" alt=\"czw3000a_1\" \/><\/div>\n<h2><strong>Wiring Diagram<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/szj-10-d_e.webp\" alt=\"szj-10-d_e\" \/><\/div>\n<h2><strong>Temperature Curve<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/xqws-czw100a.webp\" alt=\"xqws-czw100a\" \/><\/div>\n<h2><strong>Mechanical Ability And Use Of The Environment<\/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 M12 tightening torque (N.m)<\/td>\n<td valign=\"center\">\u00a0\u226f30.0 appropriate<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Coil lead-out torque (N.m)<\/td>\n<td valign=\"center\">\u00a0\u226f0.8 appropriate<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Ambient temperature<\/td>\n<td valign=\"center\">\u00a0-25~+70\u2103<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Relative humidity<\/td>\n<td valign=\"center\">\u00a0+20\u2103 98%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Vibration freq. atthe fixed position<\/td>\n<td valign=\"center\">\u00a03G, 1\uff5e50Hz amplitude 0.5mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Concussion<\/td>\n<td valign=\"center\">\u00a0(60\uff5e100) time\/minute\u3001acceleration\u22644g<\/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\">\u00a0Installation direction<\/td>\n<td valign=\"center\">\u00a0Random<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0International protection<\/td>\n<td valign=\"center\">\u00a0IP40 (According IEC60947)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>Order Instruction<\/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 Product Type<\/b><\/p>\n<\/td>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>CZW3000A<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0U.N.W.<\/td>\n<td valign=\"center\">\u00a06300g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Package QTY.<\/td>\n<td valign=\"center\">\u00a04PCS<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Mounting bracket type<\/td>\n<td valign=\"center\">\u00a02L Two Vertical(default), M Horizontal<\/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 CZW3000A\/24V 100pcs, indicating the load rated current 3000A, 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 CZW3000A Normally Open DC Contactor for reliable performance in your electrical projects. Perfect for switching and control applications. Buy now!<\/p>","protected":false},"featured_media":1375,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[50],"product_tag":[],"class_list":["post-1379","product","type-product","status-publish","has-post-thumbnail","product_cat-czw-series-dc-contactor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/product\/1379","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\/1375"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/media?parent=1379"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/product_brand?post=1379"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/product_cat?post=1379"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/fr\/wp-json\/wp\/v2\/product_tag?post=1379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}