{"id":919,"date":"2026-05-08T11:48:48","date_gmt":"2026-05-08T03:48:48","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&#038;p=919"},"modified":"2026-07-17T09:46:30","modified_gmt":"2026-07-17T01:46:30","slug":"sev30ad-high-voltage-epoxy-resin-sealed-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/es\/product\/sev30ad-high-voltage-epoxy-resin-sealed-dc-contactor\/","title":{"rendered":"SEV30AD High Voltage Epoxy Resin Sealed DC Contactor"},"content":{"rendered":"<h2><strong>FEATURES<\/strong><\/h2>\n<div>\n<div>\n<div>Suitable for new energy electric vehicles, charging facilities, photovoltaic, wind power generation systems, automotive air conditioning, communication power, UPS, power and other electrical control circuit of the switch control, with small size, large load capacity, no spark, long service life, maintenance simple and other characteristics, by users. 1 DC high voltage power: the product cavity filled with rare mixed gas, arc cooling capacity, 2 control load capacity: with 30A-1000A, working voltage range of 5-1000VDC load capacity; 3 safety: insulation structure, can be in flammable or hazardous environment work, coil and contacts will not oxidation and pollution; 4, compared with similar products small size, light weight, power consumption. The product in accordance with the standard JB2286-78, JB3974-85, YD \/ 585-92, YD \/ T512-92 requirements; after the factory and relevant test unit test, meet the requirements of the standard specification, users use for many years, maximum to meet user needs, quality and reliable.<\/div>\n<\/div>\n<\/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=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">SEV<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">30<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">A<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">D<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">X<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">L<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">\u25a0<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">\/12V<\/p>\n<\/td>\n<td rowspan=\"2\" valign=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">1<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">2<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">3<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">4<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">5<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">6<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">7<\/p>\n<\/td>\n<td valign=\"bottom\" 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=\"bottom\" nowrap=\"nowrap\" width=\"72\">\n<p align=\"center\">1<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\"><b>Product type<\/b><b><\/b><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\" width=\"72\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">2<\/p>\n<\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\"><b>Rated current<\/b><b><\/b><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\"><\/td>\n<td valign=\"bottom\" nowrap=\"nowrap\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">3<\/p>\n<\/td>\n<td colspan=\"8\" valign=\"top\" width=\"576\"><b>Circuit structure:<\/b>\u00a0<b>A<\/b>-Normally open; <b>B<\/b>-Normally closed<\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">4<\/p>\n<\/td>\n<td colspan=\"8\" rowspan=\"3\" valign=\"top\" width=\"576\"><b>Coil type: D<\/b>-Single coil; <b>H<\/b>-With energy-saving control circuit; <b>K<\/b>-Two joint magnetic retention (Single coil, Two joint self-locking); <b>2K<\/b>-Three joint magnetic retention (Double coil, Three joint self-locking)<\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">5<\/p>\n<\/td>\n<td colspan=\"8\" valign=\"bottom\" width=\"576\"><b>Coil outgoing mode: X<\/b>-Wire (390mm); <b>O<\/b>-Other<\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">6<\/p>\n<\/td>\n<td colspan=\"8\" valign=\"bottom\" nowrap=\"nowrap\"><b>Mounting bracket type: L<\/b>-Vertical (default)<\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">7<\/p>\n<\/td>\n<td colspan=\"8\" valign=\"bottom\" nowrap=\"nowrap\"><b>Other special functions: V<\/b>-With capacitive type load; <b>N<\/b>-No polarity<\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\" nowrap=\"nowrap\">\n<p align=\"center\">8<\/p>\n<\/td>\n<td colspan=\"8\" valign=\"bottom\" nowrap=\"nowrap\"><b>Coil rated voltage:<\/b>\u00a012V, 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>\n<div>The utility model has the advantages that the utility model is provided with one normally open contact, which is suitable for charging piles, electric four wheeled vehicles, new energy vehicles, energy saving and environmental protection systems, road traffic lighting systems, programmable power supply and uninterruptible power supply equipment.<\/div>\n<\/div>\n<h2><strong>TECHNICAL PARAMETERS: (Version 3.14)<\/strong><\/h2>\n<div>\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>SEV30AD<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contact form<\/td>\n<td valign=\"center\">\u00a01 NO(SPST-NO) or 1NC(SPST-NC)<\/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 etc.<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contact voltage (DC V)<\/td>\n<td valign=\"center\">\u00a05-1000V<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contact circuit rated load current (DC-1)<\/td>\n<td valign=\"center\">\u00a030A<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Typical voltage drop across contacts per 30A<\/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\u00a0coil<\/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\">\u00a020ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Pull-in time (n\/o contacts to close)<\/td>\n<td valign=\"center\">\u00a010ms<\/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\">\u00a07ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Insulation Resistance<\/td>\n<td valign=\"center\">\u00a0100M\u03a9<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Electric strength to resist<\/td>\n<td valign=\"center\">\u00a050Hz\/60Hz 2200VAC 1minute<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Typical fault currents which can be ruptured<\/td>\n<td valign=\"center\">\u00a0400A\/5ms at 48V DC<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Coil power (W)<\/td>\n<td valign=\"center\">\u00a02-7<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Temperature rise of coil (K)<\/td>\n<td valign=\"center\">\u00a0\u226455<\/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\">\u00a020,000 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<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Contact material<\/td>\n<td valign=\"center\">\u00a0Alloy<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Inrush time (max)<\/td>\n<td valign=\"center\">\u00a0130ms<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Maximum switching current<\/td>\n<td valign=\"center\">\u00a0300A 320VDC (more than once)<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Maximum switching power<\/td>\n<td valign=\"center\">\u00a0100kW<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Load terminal type<\/td>\n<td valign=\"center\">\u00a0M5 Screw<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Coil terminal type<\/td>\n<td valign=\"center\">\u00a00.3 square silicone wire, 390mm long<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Testing organization certification<\/td>\n<td valign=\"center\">\u00a0CE,FCC,RoHS<\/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<\/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-30-20k.webp\" alt=\"fzsm-30-20k\" \/><\/li>\n<li class=\"list-group-item\"><img decoding=\"async\" class=\"mw-100\" src=\"https:\/\/sayoon-dc.com\/wp-content\/uploads\/2026\/05\/fzsj-30-400.webp\" alt=\"fzsj-30-400\" \/><\/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\/sev30ad-hv-dc-contactor-detail-4.webp\" alt=\"SEV30AD HV DC Contactor detail (4)\" \/><\/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\/sev30ad-hv-dc-contactor-detail-5.webp\" alt=\"SEV30AD HV DC Contactor detail (5)\" \/><\/div>\n<h2><strong>COIL 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\/sev30ad-hv-dc-contactor-detail-1.webp\" alt=\"SEV30AD HV DC Contactor detail (1)\" \/><\/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\">Contact lead M5 tightening torque (N.m)<\/td>\n<td valign=\"center\">\u00a0\u226f2.5 appropriate<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">Coil lead mode<\/td>\n<td valign=\"center\">\u00a0Wire dipping tin<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">Ambient temperature<\/td>\n<td valign=\"center\">\u00a0-40~+85\u2103<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">Relative humidity<\/td>\n<td valign=\"center\">\u00a0+20\u2103 98%<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">Vibration freq. atthe fixed position<\/td>\n<td valign=\"center\">\u00a03G, 1\uff5e50Hz amplitude 0.5mm<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">Concussion<\/td>\n<td valign=\"center\">\u00a0(60\uff5e100) time\/minute\u3001acceleration\u22644g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">Altitude<\/td>\n<td valign=\"center\">\u00a02000m<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">Installation direction<\/td>\n<td valign=\"center\">\u00a0Random<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">International Protection<\/td>\n<td valign=\"center\">\u00a0IP68<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2><strong>ORDER INSTRUCTION<\/strong><\/h2>\n<div><\/div>\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>SEV30AD<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0U.N.W.<\/td>\n<td valign=\"center\">\u00a0145g<\/td>\n<\/tr>\n<tr>\n<td valign=\"center\">\u00a0Mounting bracket type<\/td>\n<td valign=\"center\">\u00a0L Vertical(default)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div>\n<div>When ordering, please state the following: name, full model, control coil voltage specification, installation frame type, whether with auxiliary contact, order quantity. For example: HV DC Contactor SEV30AD-\u25a1-\u25a1\/24V 100pcs, indicating the load rated current 30A, without auxiliary contact, default mounting bracket, coil control voltage 24V purchase 100pcs. Special voltage specification products, such as user needs can be special order.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Discover the SEV30AD HV DC Contactor for efficient high-voltage DC applications. Reliable performance robust design and unmatched durability. Order now!<\/p>","protected":false},"featured_media":1208,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[47],"product_tag":[],"class_list":["post-919","product","type-product","status-publish","has-post-thumbnail","product_cat-sev-series-hv-dc-contactor","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product\/919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/media\/1208"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/media?parent=919"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_brand?post=919"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_cat?post=919"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_tag?post=919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}