High Voltage Reed Relays for EV Battery Management
Certified HV DC Contactors and Reed Relays engineered for Electric Vehicle BMS, charging systems, and power distribution units. ISO 9001 & IATF 16949 qualified.
Why Choose MiRelay for EV Applications?
Electric vehicles demand reliable high-voltage switching components that can withstand harsh automotive environments. Our EV-qualified reed relays and DC contactors are designed specifically for battery management systems, onboard chargers, and power distribution units.
Battery Management Systems (BMS)
- Cell voltage monitoring up to 1500V DC
- Isolation resistance measurement
- Pre-charge circuit switching
- Low contact resistance design
Onboard Chargers (OBC)
- AC/DC isolation switching
- Safety interlock circuits
- Ground fault detection
- Compact SIP & DIP packages
Power Distribution Units
- High current DC switching (up to 800A)
- Emergency disconnect circuits
- Thermal management integration
- IP67 rated options available
Recommended Products for EV Applications
| Series | Voltage Rating | Current Rating | Application | Certification |
|---|---|---|---|---|
| HVR Series | 4kV – 20kV Isolation | Up to 5A | BMS Cell Monitoring, Pre-charge | IATF 16949 |
| EVI Series | 750V DC | Up to 250A | Onboard Charger, PDU | IATF 16949, UL |
| EVM Series | 1500V DC | Up to 800A | Fast Charging, Main Contactor | IATF 16949, CE |
| SIP-HV Series | 4kV Isolation | Up to 3A | Compact BMS, Signal Switching | IATF 16949 |
Key Features for Automotive Reliability
High Voltage Isolation
- Up to 20kV isolation voltage
- Creepage & clearance compliant
- UL 60950-1 / IEC 62368-1 certified
Environmental Resistance
- -40°C to +85°C operating range
- Humidity resistant construction
- Vibration & shock tested
Long Service Life
- Up to 10^9 operations
- Low contact bounce design
- Hermetically sealed options
Request EV Application Support
Our engineering team can help you select the optimal reed relay or DC contactor for your specific EV application. Get technical specifications, custom configurations, and competitive pricing.
Request Technical Consultation