BR-12.5M 320 4P Type 1+2 Surge Protection Device 12.5kA 320V 3-Phase TN-S System
BR-12.5M 320 4P Type 1 + Type 2 Surge Protection Device designed for three-phase TN-S systems, providing comprehensive protection against lightning strikes and transient overvoltages.
- 4-pole design with plug-in modules and status indicators
- 12.5kA lightning impulse current (10/350µs)
- 320V maximum continuous operating voltage
- 1.5kV voltage protection level
- Remote status monitoring capability
- Compliant with EN/IEC 61643-11 standards
- Tested and specified for both T1 and T2 test classes
| Parameter | BR-12.5M 320 4P |
|---|---|
| SPD Classification (EN61643-11) | Type 1 + Type 2 |
| SPD Classification (IEC61643-11) | Class I + Class II |
| Max Continuous Operating Voltage (Uc) | 320V |
| Lightning Impulse Current (Iimp) | 12.5kA |
| Nominal Discharge Current (In) | 20kA |
| Max Discharge Current (Imax) | 50kA |
| Voltage Protection Level (Up) | 1.5kV |
| Max Backup Fuse | 160A gG |
| Response Time (tA) | ≤25ns |
| Mounting | 35mm DIN rail |
| Degree of Protection | IP20 |
| Operating Temperature | -40℃ to +80℃ |
| Cross-section Area | 4mm² - 35mm² |
| Enclosure Material | Thermal plastic UL94-V0 |
- General protection of large installations
- Protection of small installations with external lightning protection (LPS)
- Protection against transient overvoltages for 230/400V~ power networks (50/60 Hz)
- Lightning protection in areas with high lightning strike risk (LPZ0B or border area between LPZ0B and LPZ1)
- High lightning current discharge capacity
- High quality lightning protection components with reliable quality assurance
- Pluggable modular structure design with attractive appearance
- Temperature control trip device for long service life
- Failure indication system
- Quick response time (≤25ns)
- Easy installation and maintenance
- Recommended for main distribution boards
- Connect according to installation schematic diagram: L1, L2, L3 (phase lines), N (zero line), PE (ground line)
- Red failure display window indicates device failure requiring replacement
- Grounding must conform to lightning protection specification requirements
Wenzhou Britec Electric Co., Ltd. established in 2003, is a professional surge protective devices (SPD) manufacturer with extensive experience in electrical protection solutions.
Yes, samples are available upon request.
Mass production typically requires 3 weeks depending on order quantity.
Yes, please review our product models and contact us for detailed pricing information.
If products are damaged during transportation, please provide photographic evidence and details. We will take full responsibility for replacement.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.