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BR-20 1+1 Type 2 20kA Surge Protective Device for TT and TNS Systems
In today’s electrical infrastructure, protecting sensitive equipment from power surges is crucial. The BR-20 1+1 Type 2 20kA Surge Protective Device (SPD) offers reliable protection for both TT and TNS earthing systems, ensuring safety and continuity in various applications.
Key Features of BR-20 1+1 SPD
The BR-20 1+1 SPD stands out with its robust design and advanced features:
- 20kA discharge capacity per mode (L-N, N-PE)
- 1+1 configuration for enhanced protection
- Type 2 classification according to IEC 61643-11
- Compatible with both TT and TNS earthing systems
- Compact design for easy installation
- Visual status indication for quick monitoring
Applications
This surge protective device is ideal for:
- Commercial buildings
- Industrial facilities
- Residential complexes
- Data centers
- Telecommunication installations
Technical Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage (Un) | 230/400V AC |
| Maximum Continuous Operating Voltage (Uc) | 275V AC |
| Nominal Discharge Current (In) | 10kA (8/20μs) |
| Maximum Discharge Current (Imax) | 20kA (8/20μs) |
| Voltage Protection Level (Up) | ≤1.5kV |
| Response Time | ≤25ns |
Installation and Maintenance
The BR-20 1+1 SPD is designed for straightforward installation in distribution boards. Regular visual inspections are recommended to ensure the device’s status indicators show proper functioning. Replacement is necessary when the status indicator shows end-of-life condition.
Why Choose BR-20 1+1 SPD?
This surge protective device offers:
- High-level protection against transient overvoltages
- Reliable performance in various electrical environments
- Compliance with international standards
- Cost-effective solution for surge protection
- Long service life with minimal maintenance
For comprehensive protection of your electrical systems against lightning strikes and switching surges, the BR-20 1+1 Type 2 20kA SPD is an excellent choice for both TT and TNS configurations.
