Class B/Type 1 Surge Protective Device for AC Power System.
Power distribution box(cabinet)；AC cabinet；Column head cabinet；Charging station/charging point
Communication Base Station
Telecom centers
Automatic control centers
Intelligent buildings
Industrial enterprises
Medical institutes
IT,TT,TN-C,TN-S,TN-C-S and other power supply system.
IP54 protection
400kA discharge current capability With lightning strikes counter and display screen
Thermal disconnect device
Heat turn-off technology
Temperature control to protect circuit.
3 Status indicators, audible alarm
Remote alarm contact, easy to remote control
Easy to install and simple for maintenance
International famous brand for core component with excellent performance.
20 years warranty
| Model | B400A3+N | B400D3+N | |
| Lighning proection zone(LPZ) | 1-2 | ||
| Standards Compliance | IEC61643-11 | ||
| Classification | Class B/C , Type1/2 | ||
| Nominal working voltage Un | 415V | 220V | |
| Max continuous operating voltage Uc | 480 | 275 | |
| Nominal discharge current (8/20µs) In | 20kA | ||
| Lightning impulse current (10/350µs) Iimp | 25KA | ||
| Max discharge current Imax (8/20µs) Imax | 400KA | ||
| Voltage Protection level Up | 2.0KV | 1.5KV | |
| Response Time tA | 25ns | ||
| Temperature & Humidity rating | Temperature: -20 to 80℃ Relative humidity: ≤95％ | ||
| Mounting style | Parallel hardwire | ||
| Dimension(mm) | 300(L)*205 (W)*400(H) mm | ||
| Connecting diameter | Min.16mm2, Max.25mm2 | ||
| Enclosure material | Plastic | ||
| IP protection level | IP54 | ||
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