MEAN WELL ERPF-400-12 Industrial Switching Power Supply
The MEAN WELL ERPF-400-12 is a high-reliability 12V DC enclosed switching power supply designed for industrial LED lighting, automation systems, signage, and outdoor electronic applications. This industrial-grade AC/DC power supply delivers a stable 12V DC output with up to 30A current and 360W power capacity, ensuring reliable performance for demanding continuous-operation environments.
The ERPF-400-12 features built-in active PFC (Power Factor Correction), high efficiency up to 89%, and a rainproof semi-potted aluminum enclosure for enhanced durability and protection against dust and moisture. Its convection cooling design allows silent operation without the need for internal cooling fans, making it ideal for industrial and outdoor installations.
Features
- 360W single output switching power supply
- Stable 12V DC output
- Maximum output current up to 30A
- Universal AC input range
- Built-in active PFC function
- Rainproof and semi-potted design
- High efficiency up to 89%
- Fanless convection cooling
- Compact aluminum enclosure
- Protections against overload, short circuit, overvoltage, and overtemperature
Technical Specifications
- Model: ERPF-400-12
- Output Voltage: 12V DC
- Output Current: 30A
- Output Power: 360W
- Output Voltage Adjustment: 10.8V – 13.2V DC
- Input Voltage Range: 90 – 264VAC / 127 – 370VDC
- Efficiency: Up to 89%
- Cooling Method: Free air convection
- Operating Temperature: -30°C to +60°C
- Dimensions: 220.4 × 130 × 48mm
- Weight: Approx. 1.1kg
Applications
- LED signage and channel letters
- Outdoor LED lighting systems
- Industrial automation equipment
- Security and surveillance systems
- Display lighting installations
- Factory control systems
- Commercial electronic equipment
- Power distribution systems
Advantages
- Reliable industrial-grade performance
- Silent fanless operation
- Suitable for outdoor and semi-exposed environments
- Long operational lifespan
- Stable output for sensitive electronics
- High surge and overload protection
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