400W Power Supply Unit (PSU)
High-performance 400W power supply/transformer designed for SELV heating systems including film, paint, and carbon applications. Available in multiple output voltages with CE and UKCA certification.
Key Specifications
| Power Rating |
400VA |
| Dimensions |
290 × 170 × 80 mm |
| Weight |
Approximately 5.5 kg |
| Input Voltage |
120V/220V/230V/240V (Customizable) |
| Output Voltage |
24V/30V/36V/42V/48V (Customizable) |
Technical Features
- Transformer: Built-in isolated toroidal transformer with copper or aluminum winding (customizable), includes thermistor (NTC), Class B/F
- Inrush Current Limitation: Built-in Soft Start function with zero inrush current
- Protection: 16A fuse/micro circuit breaker (B type), suitable for transformers up to 3500VA
- Intelligence: Integrated micro control unit (MCU) for advanced functionality
- Control Mode: All outputs switch on/off together; one thermostat can control multiple power supplies
Protection & Safety Systems
- Comprehensive protection against over voltage, over load, over heat, short circuit, and wire break
- Protection covers both primary and each output in secondary transformer circuits
- LED indicators: Green (Power on), Yellow (Heating), Red (Faults)
Physical Characteristics
| Cooling |
AN (no fan) |
| Noise Level |
≤ 35dB |
| IP Rating |
IP20 |
| Mounting |
AP (on wall) |
| Connection |
Spring-type terminal (clamp terminal) |
Reliability & Service
Switch Cycles: > 100,000 on/off cycles
Service: Modular & compatible design with common components
Support: Remote problem diagnosis for fast and effective service
Certifications & Standards
Safety Standards: EN61558-1, EN61558-2-6, EN60335-1
EMC Standards: EN55014-1, EN55014-2, EN61000-3-2, EN61000-3-3
Certifications: CE, UKCA