{"id":937,"date":"2026-05-08T11:48:50","date_gmt":"2026-05-08T03:48:50","guid":{"rendered":"https:\/\/sayoon-dc.com\/?post_type=product&p=937"},"modified":"2026-07-17T09:44:06","modified_gmt":"2026-07-17T01:44:06","slug":"sev50ad-high-voltage-epoxy-resin-sealed-dc-contactor","status":"publish","type":"product","link":"https:\/\/sayoon-dc.com\/es\/product\/sev50ad-high-voltage-epoxy-resin-sealed-dc-contactor\/","title":{"rendered":"SEV50AD High Voltage Epoxy Resin Sealed DC Contactor"},"content":{"rendered":"

FEATURES<\/strong><\/h2>\n
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

SAYOON MODEL IMPLICATION<\/strong><\/h2>\n
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\n\n\n\n\n
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SEV<\/p>\n<\/td>\n

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50<\/p>\n<\/td>\n

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A<\/p>\n<\/td>\n

\n

D<\/p>\n<\/td>\n

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X<\/p>\n<\/td>\n

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L<\/p>\n<\/td>\n

\n

\u25a1<\/p>\n<\/td>\n

\n

\/12V<\/p>\n<\/td>\n

<\/td>\n\n

\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

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2<\/p>\n<\/td>\n

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3<\/p>\n<\/td>\n

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4<\/p>\n<\/td>\n

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5<\/p>\n<\/td>\n

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6<\/p>\n<\/td>\n

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7<\/p>\n<\/td>\n

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8<\/p>\n<\/td>\n

<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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\n\n\n\n\n\n\n\n\n\n\n
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1<\/p>\n<\/td>\n

Product type<\/b><\/b><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
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2<\/p>\n<\/td>\n

Rated current<\/b><\/b><\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
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3<\/p>\n<\/td>\n

Circuit structure:<\/b>\u00a0A<\/b>-Normally open; B<\/b>-Normally closed<\/td>\n<\/tr>\n
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4<\/p>\n<\/td>\n

Coil type: D<\/b>-Single coil; H<\/b>-With coil economizer; K<\/b>-Two joint magnetic retention (Single coil, Two joint self-locking); 2K<\/b>-Three joint magnetic retention (Double coil, Three joint self-locking)<\/td>\n<\/tr>\n
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5<\/p>\n<\/td>\n

Coil outgoing mode: X<\/b>-Wire (390mm); O<\/b>-Other<\/td>\n<\/tr>\n
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6<\/p>\n<\/td>\n

Mounting bracket type: L<\/b>-Vertical (default)<\/td>\n<\/tr>\n
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7<\/p>\n<\/td>\n

Other special functions: V<\/b>-With capacitive type load; N<\/b>-No polarity<\/td>\n<\/tr>\n
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8<\/p>\n<\/td>\n

Coil rated voltage:<\/b>\u00a012V, 24V, 36V, 48V, 60V, 72V etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

USES<\/strong><\/h2>\n
This utility model has several significant advantages, one of which is that it is equipped with a normally open contact. This design makes it very suitable for use in charging piles, electric four-wheel vehicles and various new energy vehicles. In addition, the device can effectively support the operation of energy-saving and environmental protection systems, road traffic lighting systems, programmable power supplies and uninterruptible power supply equipment. Through this multi-functional application, the utility model not only meets the charging needs of modern transportation, but also provides strong support for environmental protection and energy management, and promotes the process of sustainable development. Its innovative design concept and wide applicability enable it to play an important role in various power systems.<\/div>\n

TECHNICAL PARAMETERS: (Version 2.87)<\/strong><\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
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\u00a0SAYOON Product Type<\/strong><\/p>\n<\/td>\n

\n

\u00a0SEV50AD<\/strong><\/p>\n<\/td>\n<\/tr>\n

\u00a0Contact form<\/td>\n\u00a01 NO(SPST-NO) or 1NC(SPST-NC)<\/td>\n<\/tr>\n
\u00a0Coil Rated voltage (DC V)<\/td>\n\u00a06V,12V,24V,36V,48V,60V,72V,84V,120V,150V etc.<\/td>\n<\/tr>\n
\u00a0Contact voltage (DC V)<\/td>\n\u00a05-1000V<\/td>\n<\/tr>\n
\u00a0Contact circuit rated load current (DC-1)<\/td>\n\u00a050A<\/td>\n<\/tr>\n
\u00a0Typical voltage drop across contacts per 50A<\/td>\n\u00a0\u226f80mV<\/td>\n<\/tr>\n
\u00a0The cooling pull-in voltage at (20\u00b15)\u2103 (V)<\/td>\n\u00a0\u226f70%<\/td>\n<\/tr>\n
\u00a0The cooling drop-out voltage at (20\u00b15)\u2103 (V)<\/td>\n\u00a0\u226f35%,\u226e5%<\/td>\n<\/tr>\n
\u00a0Working voltage range of 40\u2103\u00a0coil<\/td>\n\u00a00.8-1.2Us<\/td>\n<\/tr>\n
\u00a0Drop-out time (n\/o contacts to open)<\/td>\n\u00a020ms<\/td>\n<\/tr>\n
\u00a0Pull-in time (n\/o contacts to close)<\/td>\n\u00a010ms<\/td>\n<\/tr>\n
\u00a0Maximum bounce time for contact connection<\/td>\n\u00a010ms<\/td>\n<\/tr>\n
\u00a0Maximum bounce time for contact disconnection<\/td>\n\u00a07ms<\/td>\n<\/tr>\n
\u00a0Insulation Resistance<\/td>\n\u00a0100M\u03a9<\/td>\n<\/tr>\n
\u00a0Electric strength to resist<\/td>\n\u00a050Hz\/60Hz 2200VAC 1minute<\/td>\n<\/tr>\n
\u00a0Typical fault currents which can be ruptured<\/td>\n\u00a0500A\/5ms at 48V DC<\/td>\n<\/tr>\n
\u00a0Coil power (W)<\/td>\n\u00a02-7<\/td>\n<\/tr>\n
\u00a0Temperature rise of coil (K)<\/td>\n\u00a0\u226455<\/td>\n<\/tr>\n
\u00a0Temperature rise on outgoing terminal (K)<\/td>\n\u00a0\u226465<\/td>\n<\/tr>\n
\u00a0Electrical life<\/td>\n\u00a020,000 times<\/td>\n<\/tr>\n
\u00a0Mechanical life<\/td>\n\u00a0300,000 times<\/td>\n<\/tr>\n
\u00a0Work specification<\/td>\n\u00a0Continuous<\/td>\n<\/tr>\n
\u00a0Contact material<\/td>\n\u00a0Alloy<\/td>\n<\/tr>\n
\u00a0Inrush time (max)<\/td>\n\u00a0130ms<\/td>\n<\/tr>\n
\u00a0Maximum switching current<\/td>\n\u00a0400A 320VDC\u00a0(more than once)<\/td>\n<\/tr>\n
\u00a0Maximum switching power<\/td>\n\u00a0130kW<\/td>\n<\/tr>\n
\u00a0Load terminal type<\/td>\n\u00a0M5 Screw<\/td>\n<\/tr>\n
\u00a0Coil terminal type<\/td>\n\u00a00.3 square silicone wire, 390mm long<\/td>\n<\/tr>\n
\u00a0Testing organization certification<\/td>\n\u00a0CCC,CE,FCC,RoHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Note: Due to the different usage environments of customers, the focus of required functions will also be different. In order to improve the overall performance of our products, SAYOON may adjust coil parameters, temperature rise, etc. The above parameters are for reference only. For specific details, please refer to the SAYOON DC Contactor Selection and Use Guide.<\/div>\n

LOAD CHARACTERISTIC CURVE<\/strong><\/h2>\n
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    INSTALLATION DIAGRAM<\/strong><\/h2>\n
    \"product<\/div>\n

    WIRING DIAGRAM<\/strong><\/h2>\n
    \"product<\/div>\n

    COIL TEMPERATURE CURVE<\/strong><\/h2>\n
    \"product<\/div>\n

    MECHANICAL ABILITY and USE of the ENVIRONMENT<\/strong><\/h2>\n
    \n\n\n\n\n\n\n\n\n\n\n\n
    \u00a0Contact lead M5 tightening torque (N.m)<\/td>\n\u00a0\u226f2.5 appropriate<\/td>\n<\/tr>\n
    \u00a0Coil lead mode<\/td>\n\u00a0Wire dipping tin<\/td>\n<\/tr>\n
    \u00a0Ambient temperature<\/td>\n\u00a0-40~+85\u2103<\/td>\n<\/tr>\n
    \u00a0Relative humidity<\/td>\n\u00a0+20\u2103 98%<\/td>\n<\/tr>\n
    \u00a0Vibration freq. atthe fixed position<\/td>\n\u00a03G, 1\uff5e50Hz amplitude 0.5mm<\/td>\n<\/tr>\n
    \u00a0Concussion<\/td>\n\u00a0(60\uff5e100) time\/minute\u3001acceleration\u22644g<\/td>\n<\/tr>\n
    \u00a0Altitude<\/td>\n\u00a02000m<\/td>\n<\/tr>\n
    \u00a0Installation direction<\/td>\n\u00a0Random<\/td>\n<\/tr>\n
    \u00a0International Protection<\/td>\n\u00a0IP68<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    ORDER INSTRUCTION<\/strong><\/h2>\n
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    \n\n\n\n\n\n
    \n

    \u00a0SAYOON Product Type<\/strong><\/p>\n<\/td>\n

    		\n

    \u00a0SEV50AD<\/strong><\/p>\n<\/td>\n<\/tr>\n

    \u00a0U.N.W.<\/td>\n\u00a0145g<\/td>\n<\/tr>\n
    \u00a0Mounting bracket type<\/td>\n\u00a0L Vertical(default)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    When placing your order, please provide the following information: product name, complete model number, control coil voltage specification, mounting frame type, whether auxiliary contacts are required and order quantity. For example: 100 pieces of HV DC contactor SEV50AD-\u25a1-\u25a1\/24V means that the rated load current is 50A, there is no auxiliary contact, the default installation bracket is, the control coil voltage is 24V, and the order quantity is 100 pieces. If there is a need for products with special voltage specifications, users can make special orders.<\/div>","protected":false},"excerpt":{"rendered":"

    Looking for high voltage DC contactors? Check out the SEV50AD High Voltage Epoxy Resin Sealed DC Contactor for your needs. Durable and reliable for your application<\/p>","protected":false},"featured_media":1216,"template":"","meta":{"_gspb_post_css":""},"product_brand":[],"product_cat":[47],"product_tag":[],"class_list":["post-937","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\/937","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\/1216"}],"wp:attachment":[{"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/media?parent=937"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_brand?post=937"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_cat?post=937"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sayoon-dc.com\/es\/wp-json\/wp\/v2\/product_tag?post=937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}