STEV Series — Modular Hermetic High-Voltage Contactor Platform for BEV & PHEV

Hermetic ceramic insulation — arc control and environmental protection

Long life in outdoor, humid, vibration-heavy and aggressive-gas environments.

3.0 kV coil-to-contact dielectric + 1000 MΩ insulation @ 1000 VDC

High electrical isolation for safety-critical applications — functional-safety support.

Passenger cars, pickups, buses, Class 8 heavy-duty — one platform

OEMs cut development time and cost by reusing the same contactor across multiple vehicle lines.

Single series optimised for both BEV and PHEV

One supplier, one SKU set, one engineering validation — operational efficiency rises.

Modular 150 A – 600 A continuous-current range

One family covers every EV segment from passenger cars to Class 8 heavy-duty trucks.

Single or Dual assembly options

Adapts to different power-distribution architectures, saves space.

Engineering and manufacturing across North America, Europe and Asia

OEM regionalisation, fast localisation, supply-chain flexibility and risk reduction.

APQP compliant, customisable structure

Automotive quality standards + OEM qualification readiness, per-platform engineering support.

>20 kA short-circuit withstand — low contact resistance

Protection even under full battery short-circuit scenarios; minimal heat, low cooling demand.

Select models feature non-polarity main contacts — bidirectional current

V2G compatibility and advanced EV power-system designs in a single device.