BR-50GR 3-Phase AC Lightning Arrester 50kA Surge Protector with 275V Operating Voltage and TUV Certification
The BR-50GR 3-Phase AC Lightning Arrester is a high-performance surge protection device designed to safeguard electrical systems against lightning strikes and transient overvoltages. Certified to IEC61643 standards with TUV certification.
| Parameter | Value |
|---|---|
| Nominal Voltage (Un) | 230V/400V AC |
| Max. Continuous Operating Voltage (Uc) | 275V |
| Lightning Impulse Current (10/350μs) | 50kA |
| Nominal Discharge Current (8/20μs) | 50kA |
| Maximum Discharge Current (8/20μs) | 200kA |
| Voltage Protection Level (Up) | ≤2.3kV |
| Response Time (tA) | ≤100ns |
| Max. Backup Fuse | 315A gG |
| Operating Temperature Range | -40℃ to +80℃ |
| Wire Cross-section Area | 4mm² to 35mm² |
| Mounting | 35mm DIN Rail |
| Enclosure Material | Thermoplastic UL94-V0 |
- Advanced temperature control protection circuit with built-in thermal protection
- Clear power status indication for monitoring surge protector operation
- Fire-retardant high flame retardant material for enhanced safety insulation
- Built-in overheating and temperature control circuit breaker
Designed for 35mm standard DIN-rail mounting with copper conductor compatibility from 4mm² to 35mm². Each pole requires protection via fuse or miniature circuit breaker for lightning current SPD protection. Install at building entry points in main distribution boxes for optimal surge current handling.
Britec maintains strict quality control systems with ISO9001 certification. All products undergo multiple testing phases from incoming materials to final delivery, ensuring reliable performance and safety.
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