12.5kA Type 1+2 320V 4P Household Surge Protector with 50kA Max Discharge Current and IP20 Rating
BR-12.5M series surge protective devices provide comprehensive lightning and surge protection for low-voltage distribution systems. Designed for 320V three-phase 4P applications, these devices offer robust protection against direct and indirect lightning strikes.
| Parameter | Value |
|---|---|
| SPD Classification (EN 61643-11) | Type 1 + Type 2 |
| SPD Classification (IEC 61643-11) | Class I + Class II |
| Max Continuous Operating Voltage (Uc) | 320V |
| Lightning Impulse Current (10/350μs) | 12.5kA |
| Nominal Discharge Current (8/20μs) | 20kA |
| Max Discharge Current (8/20μs) | 50kA |
| Voltage Protection Level (Up) | ≤1.5kV |
| Response Time | ≤25ns |
| Operating Temperature Range | -40℃ to +80℃ |
| Max Backup Fuse | 160A gG |
| Mounting | 35mm DIN Rail |
| Degree of Protection | IP20 |
- Plug-and-play design with live-wire replacement capability
- Built-in temperature control circuit breaker for enhanced safety
- Clear visual indicators: green for normal operation, red for fault detection
- Available in 1P, 2P, 3P, and 4P configurations for various electrical systems
- Optional remote signaling monitoring interface
- Metal oxide varistor technology for reliable surge protection
- Strong environmental resistance and uniform discharge characteristics
Ideal for main low-voltage distribution boxes in buildings, providing overvoltage protection from Class B+C lightning strikes and power system disturbances. Compliant with IEC 61643-1 and GB50343 standards.
Professional surge protection manufacturer with over 21 years of experience since 2003. All products undergo rigorous testing with advanced equipment.
Designed for installation in main distribution cabinets, low-voltage cabinets, and incoming line cabinets using standard 35mm DIN rail mounting.
2-5 years warranty available based on customer requirements. Defective rate maintained below 0.2% through strict quality control systems.
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