Class B 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
UL 1449, IEC61643
IP54
400kA 8/20μs capability
Thermal disconnect device
Heat turn-off technology
Temperature control to protect circuit
Status indicators and lightning counter
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 | B400B3+N | B400F3+N | |
| Lighning proection zone(LPZ) | 1-2 | ||
| Standards Compliance | UL 1449 4th Edition; IEC61643-1; ROHS | ||
| Classification | Class I /II, Type1/2 | ||
| Nominal working voltage Un | 220VAC (L -N)/380VAC (L -L) | 127VAC (L -N)/220VAC (L -L) | |
| Max continuous operating voltage Uc | 385VAC | 280VAC | |
| Nominal discharge current (8/20µs) In | 20kA | ||
| Max discharge current Imax (8/20µs) Imax | 400KA | ||
| Voltage Protection Rating ( VPR) Up | 0.8kV（L-N）1.7kV（L-L, L-G） | 1.2kV | |
| Fault Current Rating | 65kA with 200A breaker | ||
| Response Time Ta | 25ns/100ns | ||
| Temperature & Humidity rating | Temperature: -20 to 80℃, (-4-176F) Relative humidity: ≤95％ | ||
| Mounting style | Parallel hardwire | ||
| Dimension (Inches) | 300(L)*205 (W)*400(H) mm | ||
| Connecting diameter | Min.16mm2, Max.25mm2 | ||
| Material of BOX (Outdoor) | ABS | ||
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