{"id":2255,"date":"2026-07-17T12:43:59","date_gmt":"2026-07-17T04:43:59","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&#038;p=2255"},"modified":"2026-07-17T15:57:43","modified_gmt":"2026-07-17T07:57:43","slug":"czw50a-normally-open-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/ru\/product\/czw50a-normally-open-dc-contactor\/","title":{"rendered":"CZW50A Normally Open DC Contactor"},"content":{"rendered":"<h2><strong>FEATURES<\/strong><\/h2>\n<p>Suitable for electric forklift, battery cars, tractors, excavators, brick machine, cleaning vehicles, automotive air-conditioning, communication power supply, uninterruptible power supply, power supply switches such as electroplating electronic control system control circuit, has the advantages of small volume, large load capacity, long service life, easy maintenance and other characteristics, welcomed by users. The products in accordance with the standard of the JB2286-78, JB3974-85, YD \/ 585-92, YD \/ T512-92 requirements; the plant and related test unit test, meet the standard requirements, the user use for many years, the maximum to meet user needs, quality and reliable.<\/p>\n<h2><strong>SAYOON MODEL IMPLICATION<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/czw50a_e.jpg\" class=\"mw-100\" alt=\"CZW50A model implication diagram\"><\/div>\n<h2><strong>USES<\/strong><\/h2>\n<p>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.<\/p>\n<h2><strong>TECHNICAL PARAMETERS: (Version 1.59)<\/strong><\/h2>\n<table style=\"border-collapse:collapse;width:100%\" border=\"1\" cellpadding=\"6\">\n<tbody>\n<tr>\n<td><strong>SAYOON Product Type<\/strong><\/td>\n<td><strong>CZW50A<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Contact form<\/td>\n<td>1 NO<\/td>\n<\/tr>\n<tr>\n<td>Coil Rated voltage (DC V)<\/td>\n<td>6V,12V,24V,36V,48V,60V,72V,84V,120V,150V etc.<\/td>\n<\/tr>\n<tr>\n<td>Contact voltage (DC V)<\/td>\n<td>\u226460 \u0412<\/td>\n<\/tr>\n<tr>\n<td>Rated load current of contact 48V circuit (DC-1)<\/td>\n<td>50A<\/td>\n<\/tr>\n<tr>\n<td>Typical voltage drop across contacts per 100A<\/td>\n<td>\u226480mV<\/td>\n<\/tr>\n<tr>\n<td>The cooling pull-in voltage at (20\u00b15)\u2103 (V)<\/td>\n<td>\u226470%<\/td>\n<\/tr>\n<tr>\n<td>The cooling drop-out voltage at (20\u00b15)\u2103 (V)<\/td>\n<td>\u226435%, \u22655%<\/td>\n<\/tr>\n<tr>\n<td>Working voltage range of 40\u2103 coil<\/td>\n<td>0.8-1.2Us<\/td>\n<\/tr>\n<tr>\n<td>Drop-out time (n\/o contacts to open)<\/td>\n<td>40ms<\/td>\n<\/tr>\n<tr>\n<td>Pull-in time (n\/o contacts to close)<\/td>\n<td>12ms<\/td>\n<\/tr>\n<tr>\n<td>Maximum bounce time for contact connection<\/td>\n<td>10ms<\/td>\n<\/tr>\n<tr>\n<td>Maximum bounce time for contact disconnection<\/td>\n<td>3ms<\/td>\n<\/tr>\n<tr>\n<td>Insulation resistance<\/td>\n<td>20M\u03a9<\/td>\n<\/tr>\n<tr>\n<td>Electric strength to resist<\/td>\n<td>50Hz\/60Hz 1000VAC 1minute<\/td>\n<\/tr>\n<tr>\n<td>Typical fault currents which can be ruptured<\/td>\n<td>600A\/5ms at 48V DC<\/td>\n<\/tr>\n<tr>\n<td>Coil power (W)<\/td>\n<td>5-10<\/td>\n<\/tr>\n<tr>\n<td>Temperature rise of coil (K)<\/td>\n<td>\u226460<\/td>\n<\/tr>\n<tr>\n<td>Temperature rise on outgoing terminal (K)<\/td>\n<td>\u226465<\/td>\n<\/tr>\n<tr>\n<td>Electrical life<\/td>\n<td>20,000 times<\/td>\n<\/tr>\n<tr>\n<td>Mechanical life<\/td>\n<td>300,000 times<\/td>\n<\/tr>\n<tr>\n<td>Work specification<\/td>\n<td>Continuous (default) or Intermittent<\/td>\n<\/tr>\n<tr>\n<td>Contact material<\/td>\n<td>Ag alloy<\/td>\n<\/tr>\n<tr>\n<td>Load terminal type<\/td>\n<td>M6 Screw<\/td>\n<\/tr>\n<tr>\n<td>Coil terminal type<\/td>\n<td>6.3mm spade terminals<\/td>\n<\/tr>\n<tr>\n<td>Testing organization certification<\/td>\n<td>CE,FCC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>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.<\/em><\/p>\n<h2><strong>LOAD CHARACTERISTIC CURVE<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/fzsm-50-20k.jpg\" class=\"mw-100\" alt=\"CZW50A load characteristic curve\"><\/div>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/fzsj-50-500.jpg\" class=\"mw-100\" alt=\"CZW50A load characteristic curve alternate\"><\/div>\n<h2><strong>INSTALLATION DIAGRAM<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/czw50a.jpg\" class=\"mw-100\" alt=\"CZW50A installation diagram 1\"><\/div>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/czw50a_1.jpg\" class=\"mw-100\" alt=\"CZW50A installation diagram 2\"><\/div>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/czw50a_2.jpg\" class=\"mw-100\" alt=\"CZW50A installation diagram 3\"><\/div>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/czw50a_3.jpg\" class=\"mw-100\" alt=\"CZW50A installation diagram 4\"><\/div>\n<h2><strong>WIRING DIAGRAM<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/czw-10_e.jpg\" class=\"mw-100\" alt=\"CZW50A wiring diagram\"><\/div>\n<h2><strong>TEMPERATURE CURVE<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/xqws-czw100a.jpg\" class=\"mw-100\" alt=\"CZW series temperature curve\"><\/div>\n<h2><strong>MECHANICAL ABILITY and USE of the ENVIRONMENT<\/strong><\/h2>\n<table style=\"border-collapse:collapse;width:100%\" border=\"1\" cellpadding=\"6\">\n<tbody>\n<tr>\n<td>Contact lead M6 tightening torque (N.m)<\/td>\n<td>\u226f4.5 appropriate<\/td>\n<\/tr>\n<tr>\n<td>Coil lead-out torque (N.m)<\/td>\n<td>\u226f0.8 appropriate<\/td>\n<\/tr>\n<tr>\n<td>Ambient temperature<\/td>\n<td>-25~+70\u2103<\/td>\n<\/tr>\n<tr>\n<td>Relative humidity<\/td>\n<td>+20\u2103 98%<\/td>\n<\/tr>\n<tr>\n<td>Vibration freq. at the fixed position<\/td>\n<td>3G, 1\uff5e50Hz amplitude 0.5mm<\/td>\n<\/tr>\n<tr>\n<td>Shock<\/td>\n<td>(60\uff5e100) times\/minute, acceleration\u22644g<\/td>\n<\/tr>\n<tr>\n<td>Altitude<\/td>\n<td>2000m<\/td>\n<\/tr>\n<tr>\n<td>Installation direction<\/td>\n<td>Random<\/td>\n<\/tr>\n<tr>\n<td>International protection<\/td>\n<td>IP40 (According IEC60947)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>ORDER INSTRUCTION<\/strong><\/h2>\n<table style=\"border-collapse:collapse;width:100%\" border=\"1\" cellpadding=\"6\">\n<tbody>\n<tr>\n<td><strong>SAYOON Product Type<\/strong><\/td>\n<td><strong>CZW50A<\/strong><\/td>\n<\/tr>\n<tr>\n<td>U.N.W.\uff08Includes Horizontal frame\uff09<\/td>\n<td>194g(-M)<\/td>\n<\/tr>\n<tr>\n<td>G.W. per Box(2pcs)<\/td>\n<td>444g<\/td>\n<\/tr>\n<tr>\n<td>Package QTY.<\/td>\n<td>60pcs<\/td>\n<\/tr>\n<tr>\n<td>DIM.(cm)<\/td>\n<td>53*21.5*19.5<\/td>\n<\/tr>\n<tr>\n<td>Mounting bracket type<\/td>\n<td>M horizontal(default), DM horizontal, 2L Two vertical mounting brackets, 2LM Two horizontal, 1L One vertical mounting bracket, 1LM One horizontal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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 CZW50A\/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<h2><strong>CERTIFICATION<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/ce2_czw100a.jpg\" class=\"mw-100\" alt=\"CZW CE certification sample\"><\/div>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/fcc2_czw100a.jpg\" class=\"mw-100\" alt=\"CZW FCC certification sample\"><\/div>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/ce_czw.jpg\" class=\"mw-100\" alt=\"CZW CE certificate\"><\/div>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/fcc_czw.jpg\" class=\"mw-100\" alt=\"CZW FCC certificate\"><\/div>\n<div class=\"center_img\"><img decoding=\"async\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/07\/rohs_cz.jpg\" class=\"mw-100\" alt=\"CZW RoHS certificate\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Looking for a CZW50A Normally Open DC Contactor? Find reliable and high-quality products for purchase here.<\/p>","protected":false},"featured_media":2251,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[50],"product_tag":[],"class_list":["post-2255","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\/ru\/wp-json\/wp\/v2\/product\/2255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/ru\/wp-json\/wp\/v2\/media\/2251"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/ru\/wp-json\/wp\/v2\/media?parent=2255"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ru\/wp-json\/wp\/v2\/product_brand?post=2255"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ru\/wp-json\/wp\/v2\/product_cat?post=2255"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ru\/wp-json\/wp\/v2\/product_tag?post=2255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}