Premium 50A 12V High Voltage DC Relay
Model:
MEV50-12
Category: High-voltage Relay, products
- Rated Coil Voltage: 12V DC
- Rated Current: 50A continuous
- Max Switching Voltage: 1000V DC
- Contact Form: 1 Form A (SPST-NO)
- Operate Time: ≤30ms
- Release Time: ≤10ms
- Insulation: Epoxy Encapsulated
- Operating Temperature: -40°C to +85°C
- Installation: Any direction mounting
Product Introduction
The relay features silver-plated copper contacts that ensure minimal power loss and extended service life even under heavy electrical loads. Encapsulated in epoxy for superior insulation and environmental protection, this heavy-duty relay operates reliably across a wide temperature range from -40°C to 85°C. Its vibration-resistant design and quick response time make it an ideal choice for electric vehicles, solar power systems, battery management, charging stations, and industrial equipment where dependable high-voltage DC switching is critical.
Product Features
- High Voltage Capacity: Supports up to 1000V DC switching operations
- High Current Handling: Rated for 50A continuous current capacity
- 12V DC Coil Operation: Compatible with automotive and standard low-voltage systems
- Epoxy Encapsulation: Provides excellent moisture and chemical resistance
- Silver-Plated Copper Contacts: Ensure low contact resistance and reliable performance
- Long Operational Life: Designed for extended durability in demanding applications
- Wide Temperature Range: Operates from -40°C to 85°C
- Low Power Consumption: Coil power is only 3.6W at 12V DC
- High Dielectric Strength: Withstands 2500V AC for 1 minute between coil and contacts
- Vibration and Shock Resistant: Meets rigorous automotive and industrial standards


Product Specifications
| Parameter | Specification |
|---|---|
| Rated Coil Voltage | 12V DC |
| Pick-Up Voltage | ≤9V DC |
| Drop-Out Voltage | ≥1V DC |
| Coil Resistance | 40 Ω ±10% |
| Coil Power | 3.6W |
| Contact Arrangement | 1 Form A (1SH – Single Pole Normally Open) |
| Contact Material | Silver-Plated Copper |
| Contact Resistance | ≤2.0mΩ (typical 1.0mΩ) |
| Rated Current | 50A |
| Max Switching Voltage | 1000V DC |
| Min Applicable Load | 12V DC, 1A |
| Operate Time | ≤30ms |
| Release Time | ≤10ms |
| Bounce Time | ≤5ms |
| Insulation Resistance | ≥1000 MΩ (1000V DC) |
| Dielectric Strength | 2500V AC (50/60Hz, 1min) |
| Operating Temperature | -40°C to +85°C |
| Humidity Range | 5% to 85% RH |
| Mechanical Endurance | 200,000 operations (no load) |
| Electrical Endurance (50A/450V DC) | 10,000 operations |
| Vibration Resistance | 10-500Hz, 1.5mm amplitude |
| Shock Resistance | 196m/s² (6ms duration) |
| Termination | 300mm 20AWG leads |
Key Parameters
- Rated Coil Voltage: 12V DC
- Rated Current: 50A continuous
- Max Switching Voltage: 1000V DC
- Contact Form: 1 Form A (SPST-NO)
- Operate Time: ≤30ms
- Release Time: ≤10ms
- Insulation: Epoxy Encapsulated
- Operating Temperature: -40°C to +85°C
- Installation: Any direction mounting
Application Fields
This versatile 50A 12V High Voltage DC Relay is ideal for:
- Automotive Systems and Electric Vehicle Controls
- Solar Power Systems and Photovoltaic Applications
- Battery Management Systems and Energy Storage
- DC Power Supplies and UPS Backup Systems
- Industrial Motor Controls and Power Distribution
- Charging Stations and EV Infrastructure
- Telecommunications Power Equipment
- Marine and RV Electrical Systems
- Renewable Energy and Power Conversion Systems
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.








