China Top EV Relay Manufacturer

Reliable High Voltage DC Relays for EV, HEV

Low Cost, Stable Performance, Ensure the Efficient and Safe Operation of Your EV Circuit

19+ Years Experience

Strict Quality Control

UL Certified Top-quality

50+ countries served

No Sparks, No Problem

Discover Our High Voltage EV Relays

Built for high performance and reliability, it’s the ultimate choice for your EV/HEV high voltage circuit, EV charging, and other HV DC systems.

Hermetically sealed

Ceramic seal, H2 gas-filled cavity: no arc leakage, low and stable resistance

Strong short-circuit resistance

Strong short-circuit resistance: reliable contacts, no fire or explosion

Bidirectional

Non-polarity arc extinguishing: flexible installation, safe bidirectional circuit.

Auxiliary contact

Optional Normally Open auxiliary contact.

Your Reliable High Voltage EV Relay Supplier

EV/HEV Battery Relay, EV Charging Relay
We've Got You Covered!

Protecting Your High-voltage EV Circuit

Safety, Stability, Versatility

Strong short-circuit resistance: reliable contacts, no fire or explosion.
Ceramic seal, H2 gas-filled cavity: no arc leakage, low and stable resistance.
Wide Voltage and Current range: 20-1000A, 450-1500V.

Our experienced R&D team with a strong capability will develop new products and for your customized requirements.

Height and polarity detection machine

Multiple Tests for Each Process

Quality Control

We have introduced advanced automatic production lines and advanced laboratory testing equipments.

The production of HIITIO products strictly comply with the ISO9001 and IATF16949 systems to ensure product quality.

We Take Responsibility for Each EV Relay

Traceable Production Process

The PLM+ERP+MES system ensures the digitalization and intelligence of our factory production. It makes a big contribution to the traceability of the development, production and sales processes.

Our Happy Customers

Not Sure Which Type to Choose for Your Project?

Contact Our EV Relay Expert Now!

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