275V Type 3 Surge Protective Device 20kA 4P Three Phase Lightning Arrester with TUV Certification
The 275V Three Phase Type 3 Surge Protection Device (BR275-20 4P) provides reliable protection for low-voltage consumer installations against indirect lightning discharges and voltage spikes. Certified with TUV approval, this device safeguards sensitive equipment from electrical surges.
- Protects against indirect lightning discharges and voltage spikes
- High-performance varistor with thermal disconnection tripping device
- Protection class: Type 3, Class III
- 4-pole configuration for three-phase power systems
- Standard 35mm DIN rail mounting
| Specification | BR275-20 4P |
|---|---|
| SPD Classification (EN61643-11) | Type 3 |
| SPD Classification (IEC61643-11) | Class III |
| Max Continuous Operating AC Voltage (Uc) | 275V |
| Max Discharge Current (8/20µs) - Imax | 20kA |
| Nominal Discharge Current (8/20µs) - In | 10kA |
| Voltage Protection Level (Up) | ≤1.1kV |
| Combined Impulse (Uoc) | 10kV |
| Response Time (tA) | ≤25ns |
| Mounting | 35mm DIN rail |
| Degree of Protection | IP20 |
| Operating Temperature Range | -40℃ to +80℃ |
| Cross-section Area (Min.) | 2.5mm² |
| Cross-section Area (Max.) | 16mm² |
Designed and manufactured according to IEC61643-11 and GB18802.1 standards, the BR275-20 series spark gap power surge protector prevents direct lightning strikes and other surge currents. Ideal for three-phase power supply systems in Class III lightning protection applications and power systems with high lightning risk.
Wenzhou Britec Electric Co., Ltd. specializes in the research, development, design, production, and marketing of surge protection devices. Our product lines include AC surge protectors, DC surge protectors, data surge protection devices, and LED lightning arresters. All products feature CE, CB, and TUV approvals and are exported to over 50 countries worldwide.
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