{"id":1570,"date":"2026-05-08T11:53:53","date_gmt":"2026-05-08T03:53:53","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&#038;p=1570"},"modified":"2026-07-17T13:58:25","modified_gmt":"2026-07-17T05:58:25","slug":"szjb50a-d-normally-closed-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/ko\/product\/szjb50a-d-normally-closed-dc-contactor\/","title":{"rendered":"SZJB50A-D \uc0c1\ud3d0\ud615 DC \uc811\ucd09\uae30"},"content":{"rendered":"<h2><strong><span style=\"font-weight: var(--bs-h-font-weight); margin-left: 5px;\">\uc8fc\uc694 \uae30\ub2a5<\/span><\/strong><\/h2>\n<div><\/div>\n<div>In commercial environments, the use of normally closed DC contactors can enhance energy management. By automatically controlling power to individual systems, businesses can reduce energy consumption and operating costs. This is especially important in industries where energy efficiency is a key concern, such as manufacturing and commercial real estate.<\/div>\n<h2><strong>\uc0ac\uc694\uc628 \ubaa8\ub378 \uc2dc\uc0ac\uc810<\/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\">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\">-\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=\"360\">\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<\/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>\uc81c\ud488 \uc720\ud615<\/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>\uc815\uaca9 \uc804\ub958<\/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=\"7\" valign=\"top\" width=\"504\"><b>Coil type:<\/b>\u00a0<b>D<\/b>-Single coil structure<\/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=\"648\"><b>Mounting bracket type:<\/b>\u00a0<b>\uc5c6\uc74c<\/b>-M \uc218\ud3c9 (\uae30\ubcf8\uac12);\u00a0<b>E1<\/b>-\ub808\ubca8 \ub0b4\uc7a5 \ub2e8\ubc29\ud5a5;\u00a0<b>L(N)<\/b>-Vertical<\/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\" nowrap=\"nowrap\"><b>\ucf54\uc77c \uc815\uaca9 \uc804\uc555:\u00a0<\/b>12V, 24V, 36V, 48V, 60V, 72V \ub4f1.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>\uc6a9\ub3c4<\/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 2.11)<\/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>\uc0ac\uc694\uc628 \uc81c\ud488 \uc720\ud615<\/b><\/p>\n<\/td>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>SZJB50A-D<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ubb38\uc758\ud558\uae30<\/td>\n<td valign=\"center\">\u00a01 NC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ucf54\uc77c \uc815\uaca9 \uc804\uc555 (DC V)<\/td>\n<td valign=\"center\">\u00a06V, 12V, 24V, 36V, 48V, 60V, 72V, 84V, 120V, 150V \ub4f1.<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc811\ucd09 \uc804\uc555 (DC V)<\/td>\n<td valign=\"center\">\u00a0\u226460V<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc811\uc810 48V \ud68c\ub85c(DC-1)\uc758 \uc815\uaca9 \ubd80\ud558 \uc804\ub958<\/td>\n<td valign=\"center\">\u00a050A<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc811\uc810 \ud68c\ub85c\uc758 \uc815\uaca9 \ubd80\ud558 \uc804\ub958<\/td>\n<td valign=\"center\">\u00a080mV \ucd08\uacfc<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0(20\u00b15)\u2103\uc5d0\uc11c\uc758 \ubcf5\uadc0 \uc804\uc555 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f70%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0(20\u00b15)\u2103\uc5d0\uc11c\uc758 \ubcf5\uadc0 \uc804\uc555 (V)<\/td>\n<td valign=\"center\">\u00a0\u226f35%,\u226e5%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a040\u2103 \ucf54\uc77c\uc758 \uc791\ub3d9 \uc804\uc555 \ubc94\uc704<\/td>\n<td valign=\"center\">\u00a00.8-1.2\ub9c8\uc774\ud06c\ub85c\ucd08<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ub4dc\ub86d\uc544\uc6c3 \uc2dc\uac04(\uc811\uc810\uc774 \uac1c\ubc29\ub420 \ub54c\uae4c\uc9c0\uc758 \ubb34\uc811\uc810 \uc2dc\uac04)<\/td>\n<td valign=\"center\">\u00a010ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ub3d9\uc791 \uc2dc\uac04 (\uc0c1\uc2dc\uac1c\ubc29 \uc811\uc810\uc774 \ub2eb\ud788\uae30\uae4c\uc9c0)<\/td>\n<td valign=\"center\">\u00a025ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc811\ucd09 \uc5f0\uacb0\uc758 \ucd5c\ub300 \ubc14\uc6b4\uc2a4 \uc2dc\uac04<\/td>\n<td valign=\"center\">\u00a010ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc811\uc810 \uac1c\ubc29 \uc2dc \ucd5c\ub300 \ubc14\uc6b4\uc2a4 \uc2dc\uac04<\/td>\n<td valign=\"center\">\u00a03ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc808\uc5f0 \uc800\ud56d<\/td>\n<td valign=\"center\">\u00a020M\u03a9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc800\ud56d\ud558\ub294 \uc804\uae30\uc801 \uac15\ub3c4<\/td>\n<td valign=\"center\">\u00a050Hz\/60Hz 1000VAC 1\ubd84<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ucc28\ub2e8 \uac00\ub2a5\ud55c \uc77c\ubc18\uc801\uc778 \uace0\uc7a5 \uc804\ub958<\/td>\n<td valign=\"center\">\u00a048V DC\uc5d0\uc11c 600A\/5ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ucf54\uc77c \uc804\ub825 (W)<\/td>\n<td valign=\"center\">\u00a07-15<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ucf54\uc77c\uc758 \uc628\ub3c4 \uc0c1\uc2b9 (K)<\/td>\n<td valign=\"center\">\u00a0\u226480<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc778\ucd9c \ub2e8\uc790 \uc628\ub3c4 \uc0c1\uc2b9 (K)<\/td>\n<td valign=\"center\">\u00a0\u226465<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc804\uae30\uc801 \uc0b6<\/td>\n<td valign=\"center\">\u00a02\ub9cc \ubc88<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uae30\uacc4 \uc0dd\uba85\uccb4<\/td>\n<td valign=\"center\">\u00a030\ub9cc \ubc88<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc791\uc5c5 \uc0ac\uc591\uc11c<\/td>\n<td valign=\"center\">\u00a0\uac04\ud5d0\uc801\uc778<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc811\ucd09 \uc7ac\uc9c8<\/td>\n<td valign=\"center\">\u00a0\uc740 \ud569\uae08<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ud130\ubbf8\ub110 \uc720\ud615 \ub85c\ub4dc<\/td>\n<td valign=\"center\">\u00a0M5 \ub098\uc0ac<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ucf54\uc77c \ub2e8\uc790 \ud0c0\uc785<\/td>\n<td valign=\"center\">\u00a0M4 \ub098\uc0ac<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc2dc\ud5d8 \uae30\uad00 \uc778\uc99d<\/td>\n<td valign=\"center\">\u00a0CCC,CE,FCC,RoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\uace0\uac1d\uc758 \ub2e4\uc591\ud55c \uc0ac\uc6a9 \ud658\uacbd\uc5d0 \ub530\ub77c \uae30\ub2a5\uc801 \uc911\uc810\uc774 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc73c\uba70, \uc81c\ud488\uc758 \uc885\ud569\uc801\uc778 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \uc0ac\uc724(sayoon)\uc740 \ucf54\uc77c \ud30c\ub77c\ubbf8\ud130, \uc628\ub3c4 \uc0c1\uc2b9 \ub4f1\uc744 \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c1\uae30 \ud30c\ub77c\ubbf8\ud130\ub294 \ucc38\uace0\uc6a9\uc774\uba70, \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 SAYOON \uc9c1\ub958 \uc811\ucd09\uae30\uc120\ud0dd \ubc0f \uc0ac\uc6a9 \uc9c0\uce68\uc744 \ucc38\uc870\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<\/div>\n<h2><strong>\ubd80\ud558 \ud2b9\uc131 \uace1\uc120<\/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>\uc124\uce58\ub3c4<\/strong><\/h2>\n<div class=\"center_img\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/szj50a-d.webp\" alt=\"szj50a-d\" \/><\/div>\n<h2><strong>\ubc30\uc120\ub3c4<\/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>\uc628\ub3c4 \uace1\uc120<\/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>\uae30\uacc4\uc801 \ub2a5\ub825\uacfc \ud658\uacbd\uc758 \uc774\uc6a9<\/strong><\/h2>\n<div>\n<div class=\"table-wrap\">\n<table border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"center\">\u00a0\uc811\uc18d \ub9ac\ub4dc M6 \uccb4\uacb0 \ud1a0\ud06c (N.m)<\/td>\n<td valign=\"center\">\u00a04.5 \ucd08\uacfc\uac00 \uc801\uc808\ud568<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ucf54\uc77c \ub9ac\ub4dc M4 \uc870\uc784 \ud1a0\ud06c (N.m)<\/td>\n<td valign=\"center\">\u00a0\u226f1.2 \uc801\uc808\ud568<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc8fc\uc704 \uc628\ub3c4<\/td>\n<td valign=\"center\">\u00a0-25~+70\u2103<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc0c1\ub300\uc2b5\ub3c4<\/td>\n<td valign=\"center\">\u00a0+20\u2103 98%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uace0\uc815 \uc704\uce58\uc5d0\uc11c\uc758 \uc9c4\ub3d9 \uc8fc\ud30c\uc218<\/td>\n<td valign=\"center\">\u00a03G, 1~50Hz \uc9c4\ud3ed 0.5mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ub1cc\uc9c4\ud0d5<\/td>\n<td valign=\"center\">\u00a0(60~100)\ud68c\/\ubd84, \uac00\uc18d\ub3c4\u22644g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uace0\ub3c4<\/td>\n<td valign=\"center\">\u00a02000m<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uc124\uce58 \ubc29\ud5a5<\/td>\n<td valign=\"center\">\u00a0\ubb34\uc791\uc704<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\uad6d\uc81c \ubcf4\ud638<\/td>\n<td valign=\"center\">\u00a0IP40 (IEC60947 \uae30\uc900)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>\uc8fc\ubb38 \uc548\ub0b4<\/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>\uc0ac\uc694\uc628 \uc81c\ud488 \uc720\ud615<\/b><\/p>\n<\/td>\n<td valign=\"center\">\n<p align=\"center\">\u00a0<b>SZJB50A-D<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0U.N.W.<\/td>\n<td valign=\"center\">\u00a0170g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ud3ec\uc7a5 \uc218\ub7c9.<\/td>\n<td valign=\"center\">\u00a0100PCS<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0\ub9c8\uc6b4\ud305 \ube0c\ub798\ud0b7 \ud615\uc2dd<\/td>\n<td valign=\"center\">\u00a0\uc5c6\uc74c \u2013 M \uc218\ud3c9(\uae30\ubcf8\uac12), E1 \ub808\ubca8 \uc784\ubca0\ub514\ub4dc \ub2e8\ubc29\ud5a5, L(N) \uc218\uc9c1<\/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 SZJB50A-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 SZJB50A-D Normally Closed DC Contactor for reliable performance and safety in your electrical systems. Perfect for efficient energy management<\/p>","protected":false},"featured_media":1571,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":["post-1570","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\/ko\/wp-json\/wp\/v2\/product\/1570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/media\/1571"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/media?parent=1570"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_brand?post=1570"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_cat?post=1570"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/ko\/wp-json\/wp\/v2\/product_tag?post=1570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}