High Voltage DC contactor

High-voltage DC contactor is a circuit switch with protection function, which is mainly used in new energy vehicles, charging piles, photovoltaic power generation, energy storage systems and other high-voltage DC systems to achieve safe connection and disconnection of high-voltage circuits.

Your Reliable High Voltage DC Contactor Manufacturer from China

Sell-Best provide a variety of high voltage DC contactor relay specifications and models to meet any application requirements. Our High Voltage DC Contactor comes with continuous current ratings up to 1000A and maximum Voltage ratings up to 1500Vdc. Check out either Ceramic High Voltage DC relay contactors Resin or High Voltage DC Relay Contactors here.

Sell-Best professionals are committed to providing high-quality and high-performance high-voltage DC contactor solutions to you. As a leading manufacturer in China, we are well aware of the stringent requirements of industrial applications on the reliability and stability of high voltage contactors. Therefore, we use advanced production processes and strict quality control systems to ensure that each product can operate stably in various harsh environments.

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Select Your High Voltage Contactor Configuration from Sell-Best

Rated Current Select rated current option for your application: 20A, 40A, 50A, 60A, 100A, 150A, 200A, 250A, 300A, 350A, 400A, 500A, 600A, 800A, 1000A
Coil Voltage Choose coil voltage option: 12VDC\24VDC\9-36VDC
Max. Switching Voltage Select Load Voltage option: 1000Vdc or 1500Vdc

Internal working principle of Sell-Best high-voltage DC Contactor

The working principle of high-voltage DC contactor is based on the principle of electromagnetism. When the contactor coil is energized, a magnetic field is generated, which can attract the iron core and drive the contact to open the normally closed contact and close the normally open contact. This process is linked to ensure the on-off control of the current.

Sell-Best High Voltage DC Contactor Application

High-voltage DC contactors are crucial for managing high-power DC circuits across diverse applications, including: electric vehicles and their charging infrastructure (charging stations, charging piles), battery energy storage systems, hybrid electric vehicles, photovoltaic systems, rail transit, aviation, military equipment, and industrial settings where they enable DC motor control, uninterruptible power supplies, and general DC power control and circuit protection.

Sell-Best High-voltage DC contactor VS Traditional AC contactor

The biggest difference between high-voltage DC contactor and traditional AC contactor is that it adopts unique sealing technology to seal the contact point in the cavity and isolate it from the outside air to obtain higher withstand voltage. It is mainly used for the connection and disconnection of various DC loads in the new energy industry.

Taking the Porsche Taycan with 800V high-voltage platform as an example, this model uses 8 high-voltage DC contactors (including 3 main contactors, 2 pre-charge contactors and 3 high-voltage load contactors), which is equipped with 1-2 more contactors than the traditional 400V models.