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High Voltage DC Contactor

High Voltage DC Contactors for the New Energy Era

Professional manufacturer of DC contactors and relays for EV charging, energy storage, and electric vehicles. Trusted by global innovators.

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About ESTAR

ESTAR is a professional manufacturer of high-voltage DC contactors, specializing in the design and production of reliable, high-performance switching solutions for the new energy industry.

With years of technical expertise and innovation, we deliver products that meet the highest international standards. Our contactors are engineered for durability, efficiency, and safety in demanding applications such as electric vehicle fast charging, energy storage systems, and electric transportation.

  • ISO-Certified Manufacturing
  • Global Distribution Network
  • Custom Solutions Available
DC Contactor Factory

Our DC Contactor Series

Engineered for reliability, efficiency, and long service life across multiple industries

EVK10 DC Contactor

EVK10

10A DC Contactor

  • Rated Voltage: 1000V DC
  • Coil Voltage: 12V/24V DC
  • Compact design for space-constrained applications
EVD50 DC Contactor

EVD50

50A DC Contactor

  • Rated Voltage: 1500V DC
  • High breaking capacity
  • Low power consumption
EVK100

EVK100

100A DC Contactor

  • Rated Current: 100A
  • 1500V DC max voltage
  • Robust arc suppression system
EVD100G

EVD100G

100A High-Performance DC Contactor

  • Enhanced thermal stability
  • Long mechanical life: 100,000 cycles
  • IP20 protection rating
EVK300

EVK300

300A DC Contactor

  • Rated for 1500V DC systems
  • Used in fast EV chargers and BESS
  • High vibration resistance
EVD800G

EVD800G

800A High-Capacity Contactor

  • For 300kW+ fast charging stations
  • Ultra-low contact resistance
  • Integrated arc chamber
EVK500

EVK500

500A DC Contactor

  • High breaking capacity: 20kA
  • Used in industrial energy storage
  • CE and RoHS compliant
EVD1000G

EVD1000G

1000A Ultra-High Current Contactor

  • For 500kW+ ultra-fast charging
  • Double break contact design
  • Optimized for low heat generation

Key Applications

Our contactors power the future of clean energy and transportation

EV Fast Charger

EV Fast Charging

Our 150A to 1000A contactors are used in 120kW to 500kW+ fast chargers. With high breaking capacity and low power loss, they ensure safe and efficient operation under high-load conditions.

Models: EVK150, EVK300, EVK500, EVD800G, EVD1000G
Energy Storage System

Energy Storage (BESS)

Used in residential, commercial, and grid-scale energy storage systems. Our 300A to 800A contactors provide stable current control for solar + storage, off-grid, and frequency regulation applications.

Models: EVD300G, EVD500G, EVD800G, EVK400, EVK600
Electric Vehicle

Electric Vehicles

Our low-voltage DC contactors are used in electric forklifts, buses, trucks, and logistics vehicles. Designed for high impact and vibration resistance, ensuring long-term reliability.

Models: EVK10, EVK20, EVK50, EVD100E, EVD200G

Why Choose ESTAR?

  • High Breaking Capacity

    Our contactors can safely interrupt high DC currents, preventing arc damage and system failure.

  • Long Service Life

    Engineered for over 100,000 mechanical operations and 50,000 electrical cycles under full load.

  • Energy Efficient

    Low coil power consumption and minimal contact resistance reduce heat and energy loss.

15+
Years of Industry Experience
50+
Countries Served
10M+
Units Shipped Annually
99.8%
Customer Satisfaction Rate

Frequently Asked Questions

What is the maximum voltage rating of your DC contactors?

Our contactors support up to 1500V DC, suitable for high-voltage energy storage and fast charging applications.

Can you provide custom coil voltages?

Yes, we offer customization for coil voltages including 12V, 24V, 48V DC, and others upon request.

Are your products certified?

Yes, our contactors are CE, RoHS, and ISO compliant. Full certification documentation is available upon request.

What is the typical lead time for orders?

Standard lead time is 15-20 days. For bulk or custom orders, please contact us directly for scheduling.

Get in Touch

For product inquiries, technical support, or custom solutions, visit our official website to contact ESTAR directly.

Visit Official Website

T: +86-13315914545

E: [email protected]

Address: No. 8, Changyu Road, Chang'An, Shijiazhuang, Hebei, 050015 China

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