3 Phase Whole House Surge Suppressor 20kA 275V Type 1+2 Class I+II 4P Protection Device
BR-12.5M-275 4P three-phase whole house surge suppressor provides comprehensive Type 1+2 protection with 20kA nominal discharge current and 275V maximum continuous operating voltage.
- Durable construction withstands thousands of surge strikes
- Clear status indication for monitoring protection status
- 275V maximum continuous operating voltage capability
- Type 1+2, Class I+II protection classification
- Available in 1P, 2P, 3P, and 4P configurations
- Ideal for TN-S systems and building protection applications
| Specification | BR-12.5M 275 4P |
|---|---|
| Product Name | Surge Arrester |
| SPD Classification (EN61643-11) | Type 1+2 |
| SPD Classification (IEC61643-11) | Class I + II |
| Max Continuous Operating Voltage (Uc) | 275V |
| Lightning Impulse Current (10/350µs) | 12.5kA |
| Nominal Discharge Current (8/20µs) | 20kA (Max: 50kA) |
| Voltage Protection Level (Up) | ≤1.3kV |
| Voltage Protection Level 5kA (Up) | ≤1.1kV |
| Maximum Backup Fuse | 160A gG |
| Response Time (tA) | ≤25ns |
| Mounting Type | 35mm Din rail |
| Degree of Protection | IP20 |
| Operating Temperature Range | -40℃ to +80℃ |
| Cross-section Area (Min.) | 4mm² |
| Cross-section Area (Max.) | 35mm² |
| Enclosure Material | Thermal plastic UL94-V0 |
Britec operates with international advanced testing equipment and production lines, supported by professional technical personnel and trained workers. Our continuous product development ensures technical levels reach domestic advanced standards, with OEM/ODM services available.
Established in 2003, Wenzhou Britec Electric Co., Ltd. specializes in surge protective devices (SPD) manufacturing with extensive industry experience. We provide quality products, competitive pricing, prompt delivery, and excellent service for global cooperation.
Britec products are exported worldwide to Europe, South Africa, Iran, USA, South America, and Southeast Asia, supported by a strong sales team dedicated to global protection project cooperation.
Britec offers over 30 SPD products with CE, RoHS, and TUV certifications. The company maintains ISO9001 quality management system approval.
Our product range covers low voltage lightning protection requirements for power systems, signal systems, and antenna systems. Applications include electronic networks, computer networks, and security systems for power industry, petroleum chemical industry, and national defense applications.
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