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https://www.techwinspd.com/products/400ka-model-lihgtning-protection-box.html

Class B Smart Surge Protector 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

Feature of 400KA Model With 20 Years Warranty
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

Technical Parameters of 400KA Model With 20 Years Warranty
ModelB400B3+NB400F3+N
Lighning proection zone(LPZ)1-2
Standards ComplianceUL 1449 4th Edition; IEC61643-1; ROHS
ClassificationClass I /II, Type1/2
Nominal working voltage Un220VAC (L -N)/380VAC (L -L)127VAC (L -N)/220VAC (L -L)
Max continuous operating voltage Uc385VAC280VAC
Nominal discharge current (8/20µs) In20kA
Max discharge current Imax (8/20µs) Imax400KA
Voltage Protection Rating ( VPR) Up0.8kV（L-N）1.7kV（L-L, L-G）1.2kV
Fault Current Rating65kA with 200A breaker
Response Time Ta25ns/100ns
Temperature & Humidity ratingTemperature: -20 to 80℃, (-4-176F)
Relative humidity: ≤95％
Mounting styleParallel hardwire
Dimension (Inches)300(L)*205 (W)*400(H) mm
Connecting diameterMin.16mm2, Max.25mm2
Material of BOX (Outdoor)ABS

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