High Voltage DC Contactor Manufacturer In China

HOTSON is the leading manufacturer of high voltage DC contactors in China. We’ve engaged in R & D of high power contactors for 10 years, products including Epoxy sealed contactors and ceramic sealed contactors. Our hermetically sealed contactors are widely used as automotive contactors or EV contactors for switching DC load of high voltage battery system in EV. And also used as DC power control in inverter systems, rapid DC charging station, Solar Photovoltaic and Wind power equipment, Energy storage, UPS( uninterruptible power supply), etc. We aim to supply high quality, secure, reliable and durable DC relays (DC contactors) for your sealed switching application.

Looking to buy EV relays, battery contactors or DC motor contactors? Please do not hesitate to contact us. We are always here to help.

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High Voltage DC Contactor Quality & Certification

As your partner for high voltage DC contactors , Hotson is certified to the Latest Automotive Industrial Standard IATF16949. All contactors are manufactured in ISO9001certified factory, meet CCC, CE and RoHs conformance requirements, and many are UL recognized.


            Cost effective DC contactors

DC Relay for low rapid vehicles

            Epoxy sealed HV DC contactors

EV Contactor for photovoltaic, wind power and energy storage system

           Ceramic sealed DC contactors

High voltage DC contactor-EVH Series

 Cost effective DC contactors(ZJQ Series) are designed as the cost effective low power contactors, rated voltage from 12VDC to 450VDC, range from 30A DC contactor to 350A contactors. Suitable for sealed switching solution of low rapid vehicles like Electric Forklift trucks,Golf carts,etc.

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Epoxy sealed HV DC contactors(EVQ Series)are the most competitive and hot selling high power contactors for new energy solutions. Epoxy sealed contact chamber with inert gas, magnetic are blowout, low noise, flexible mounting position. Rated voltage from 12VDC to 900VDC, we offer from 10A contactor…100A contactors… 600A contactors.

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Ceramic sealed HV DC contactors(EVH Series) can switching DC load from 12VDC to 1500VDC,rated current from 40A to 400A. Ideal for Avionics & Aerospace, Military, Heavy Trucks,Heavy commercial vehicles, etc.

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Charging Station

Charging Station

DC chargers, fast chargers, rapid charges stations

Electric Vehicle

Electric Vehicle

Electric Vehicles, HEV, Electric buses

DC Contactors for Solar energy

New Energy

Suitable for photovoltaic, wind power and energy storage system.

New Energy Contactors for Solar ,Wind energy

DC Power System

For equipment to control DC with high voltage and large current.


Why Choose Hotson

No Minimum Order Quantity

Short Development Time

Fast Delivery Time, Keep Regular Stock in Warehouse


Professional Technical Support. 1 Year Warranty. All DC contactors are 100% inspected before shipment

DC Contactors for energy storage system


Our DC contactors are widely used in Electric Vehicles( Commercial Vehicles, Passenger Vehicles), EV Charging Station, AGV Robots, Energy Storage Equipments, Solar Power Generation and other DC power apply solutions.

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Support of Hotson


Need assistance on how to choose the right DC contactor for your applications ? Please check these basic questions, and feel free to call or email us, our professional experts will help you to choose the exact contactors.

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All contactors/relays are manufactured in our ISO9001, IATF 16949 certified factory. It’s also CE, CCC and RoHs compliant. Some of them are UL approved.

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