Small Volume High Voltage DC Contactor for Electric Car / Ships / Underwater Equipment

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Detailed Product Description

Product Name:	High Voltage DC Contactor	Material:	Ceramic And Epoxy
Working Temp:	-55℃~85℃	Rated Carrying Current:	200A
Technology:	Ceramic Metallization	Application:	Electric Vehicle, Solar Power Equipment, Etc.

Small Volume High Voltage DC Contactor for Electric Cars , Ships , Underwater Equipments

Specifications:

Item	Technical Parameter
Contact arrangement (main)	SPST-NO
Rated operating voltage	12-750VDC/VAC
Rated carrying current	200A (1/0 cable – 53mm² cross-section area)
Max carrying current (1 time)	1 second, 1200A; 60 seconds, 300A; 600 seconds, 200A
Switching capacity	see figure 1, power switching capacity for resistive load
Max cut-off current	1000A,320VDC,one time
Contact resistance Max rated carry current Typical 150A	0.4mΩ 0.3mΩ
Mechanical life	300,000 cycles
Operate time, 25℃ Close (includes bounce) max Close (include bounce) typical Bounce on close, max Release time (includes arc time at max. break current)	30ms 13ms 7ms 12ms
Contact arrangement (auxiliary)	SPST-NO (the auxiliary contact is mechanically linked to the main power contacts)
Auxiliary contact rating	2A,24VDC
Minimum current and voltage for auxiliary contact	100mA,8V
Insulation resistance at 500VDC 500VDC	100mΩ (50mΩafter life test)
Dielectric at sea level (leakage ＜1mA)	2200VRMS
Shock (saw tooth or 1/2 sine, 11ms)	20G’s
Vibration, sinusoidal (10-2000 Hz peak)	20G’s
Operating ambient temp range	-55~85℃
Storage ambient temp range	-55~125℃
Weight, typical	0.38KG (without nuts/washers)

Small Volume High Voltage DC Contactor for Electric Car / Ships / Underwater Equipment

Features of product:

Great temperature resistance property, can work under condition from -55℃ to 85℃.
Adopts ceramic, the same with the space program; reduced risk of fire or meltdown in over-current conditions.
Small size, can withstand and switch large current.
Hermetically sealed, with no risks of arcing leakage and fire.
Sealing chamber can effectively prevent contact oxidized and melted. Low and stable contact resistance.
Can be used in any environment, including immersion, high/low pressure and other harsh environment.
Not position sensitive, can be mounted in any position for ease of installation.

Applications:

This high voltage DC contactor adopts advanced extended performance impervious ceramic sealing technology, which takes the place of common glass or epoxy sealing technology. Products with ceramic sealing technology have higher usage temp and more reliable sealing performance.
Such contactor has the advantage of small volume, long life and light weight.
Functions are similar with that of EV DC contactor produced by Kilovac and Panasonic.
Widely used in AD or DC power supply switch of mining – drive and control system, electric vehicle, mobile mining equipment, aviation mobile devices, backup power supply system, hydrogen fuel cell drive system, ships and underwater equipment, solar power equipment. It is the ideal choice of large mobile power supply circuit.

Small Volume High Voltage DC Contactor for Electric Car / Ships / Underwater Equipment