BR-50GR 3P 50kA Surge Protection Device 3 Phase Type 1+2 -40℃ to 80℃ Range
The BR-50GR 3P is a high-performance 3-phase surge protection device designed for industrial and commercial electrical systems. With a robust 50kA lightning impulse rating and wide operating temperature range of -40℃ to 80℃, this Type 1 + Type 2 SPD provides comprehensive protection against electrical surges.
- 3-pole 50kA Type 1 lightning arrester with 200kA maximum discharge capacity
- Integrated status indication window and remote control contacts
- 35mm DIN-rail mounting for easy installation
- Quick thermal response self-protected design
- Low residual voltage (≤1.8kV) for superior equipment protection
- Wide operating temperature range: -40℃ to 80℃
| Parameter | BR-50GR 3P |
|---|---|
| SPD Classification (EN61643-11) | Type 1 + Type 2 |
| SPD Classification (IEC61643-11) | Class I + Class II |
| 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) | ≤1.8kV |
| Response Time (tA) | ≤100ns |
| Operating Temperature Range | -40℃ to 80℃ |
| Degree of Protection | IP20 |
| Enclosure Material | Thermoplastic UL94-V0 |
- Lightning protection zones concept at boundary LPZ0B-LPZ1
- Protection against indirect lightning discharges in low-voltage installations
- Safeguarding electrical and electronic equipment from transients caused by lightning, transformer switching, lighting systems, and motor operations
- Suitable for TN-C electrical systems
- Install at building entrance points in main distribution boards
- Integrate with lightning protection systems including lightning rods or meshed cages
- Follow provided wiring diagrams precisely
- Professional electrician guidance recommended
- Green indicator: normal operation; Red indicator: requires replacement
- Establish direct cable connection to PEN rail parallel to mounting plate connection
- 21 years of professional manufacturing experience in electrical protection products
- Comprehensive pre-shipment testing for all units
- Flexible packaging options including custom requirements
- Expedited delivery services available
- 5-year comprehensive product warranty
Wenzhou Britec Electric Co., Ltd., located in Yueqing city, specializes in the development, manufacturing, marketing, and service of low-voltage surge protection products. With over two decades of industry leadership, Britec maintains sustainable development and continuous innovation through regional economic advantages and supportive investment environments.
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