Premium 30A 12V High Voltage Epoxy Relay
- Rated Current: 30A DC
- Coil Voltage: 12V DC
- Max Switching Voltage: 1000 VDC
- Contact Type: 1 Normally Open (1NO)
- Contact Material: Silver-plated Copper
- Operate Time: ≤30ms
- Insulation: Epoxy Encapsulated
- Operating Temp: -40°C to +85°C
- Mechanical Life: 200,000 operations
Description
Introducing the 30A 12V High Voltage Epoxy Relay MEV30-12 model from Shenzhen Mingni Technology, a robust high-voltage DC contactor specifically designed for 12V systems. This epoxy-encapsulated relay delivers exceptional performance with a 30A continuous current rating and is engineered to handle a maximum switching voltage of 1000 VDC. The 12V coil version operates efficiently with a pick-up voltage of ≤9V and low power consumption of just 3.6W.
Featuring silver-plated copper contacts for minimal resistance (≤2.0mΩ), this 30A 12V High Voltage Epoxy Relay ensures reliable power management with fast switching times (≤30ms operate, ≤10ms release). Its epoxy encapsulation provides superior protection against environmental factors, making it ideal for automotive systems, marine applications, solar energy systems, and industrial controls where durable, high-voltage switching is required in standard 12V electrical systems.
Product Features
- 12V DC Coil Operation: Optimized for standard 12V automotive and marine systems
- High Voltage Capability: Handles switching up to 1000 VDC for advanced power applications
- Epoxy Encapsulation: Provides superior protection against moisture, dust, and corrosion
- High Current Rating: 30A continuous current capacity with strong overload tolerance
- Energy Efficient: Low coil power consumption (3.6W) for reduced system load
- Fast Response: Quick operate (≤30ms) and release (≤10ms) times for precise control
- Rugged Design: Withstands significant shock (196 m/s²) and vibration per industry standards
- Broad Temperature Range: Reliable operation from -40℃ to 85℃
- Safety Certified: High dielectric strength (≥2500 Va.c.) and insulation resistance (≥1000 MΩ)

Product Specifications of 30A 12V High Voltage Epoxy Relay
| Parameter | Specification |
|---|---|
| Product Model | MEV30-12 |
| Rated Coil Voltage | 12V DC |
| Pick-up Voltage (max) | ≤9V DC |
| Drop-out Voltage (min) | ≥1V DC |
| Coil Resistance | 40Ω ±10% |
| Coil Power Consumption | 3.6W |
| Contact Arrangement | 1 Form A (1SH) – Single Pole Normally Open (SPNO) |
| Contact Material | Silver-plated Copper |
| Rated Load Current | 30A DC |
| Max Switching Voltage | 1000 VDC |
| Contact Resistance | ≤2.0 mΩ (typical 1.0 mΩ) |
| Operate Time | ≤30 ms |
| Release Time | ≤10 ms |
| Bounce Time | ≤5 ms |
| Insulation Resistance | ≥1000 MΩ (at 1000 VDC) |
| Dielectric Strength | ≥2500 Va.c. (50/60 Hz, 1 min, leak ≤1mA) |
| Electrical Endurance | 2,000 ops @450VDC/30A, 6,000 ops @750VDC/30A, 1,000 ops @1000VDC/20A |
| Mechanical Endurance | 200,000 operations (no load) |
| Operating Temperature | -40℃ to +85℃ |
| Operating Humidity | 5% to 85% RH |
| Termination | Screw Terminals (M5 internal thread) |
Key Specifications
- Rated Current: 30A DC
- Coil Voltage: 12V DC
- Max Switching Voltage: 1000 VDC
- Contact Type: 1 Normally Open (1NO)
- Contact Material: Silver-plated Copper
- Operate Time: ≤30ms
- Insulation: Epoxy Encapsulated
- Operating Temp: -40°C to +85°C
- Mechanical Life: 200,000 operations
Application Fields
This 30A 12V High Voltage Epoxy Relay is engineered for diverse applications across multiple industries:
- Automotive Systems: Vehicle power distribution, starter systems, and accessory control
- Marine Applications: Boat electrical systems, bilge pump control, and navigation equipment
- Recreational Vehicles: RV power management, solar systems, and auxiliary equipment control
- Solar Energy Systems: 12V solar charge controllers and battery management systems
- Industrial Controls: Machinery, manufacturing equipment, and automation systems
- Backup Power Systems: UPS units, generator controls, and emergency power switching
Contact Info
- Phone: +86-0755-28029319
- Email: lingyuanbin@mingni.cn
- Address: 2nd Floor, Building 1, Jingsheng Industrial Zone, 119 Huafan Road, Dalang Subdistrict, Longhua District, Shenzhen.



