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Techwin TVSS 400kA Class B surge Protection device(SPD)TV certificated for Three-phase 380V AC system 20 Years warranty

Model: B400B3+N-H

Techwin TVSS 400kA Class B surge Protection device(SPD)TV certificatedfor Three-phase 380V AC system 20 Years warranty

Model: B400B3+N-H

APPLICATIONS:

Class B Surge Protective Device for AC Power System.

Power distribution box(cabinet);AC cabinet;Column head cabinet;Charging station/charging point

CommunicationBase 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.

Features:

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

3.Electrical Parameter

Nominal Operating VoltageUn	220VAC (L -N)/380VAC (L -L)
Max. Continuous OperatingUc	385VAC
Nominal Discharge Current(8/20μs)in	20kA
Max. Discharge Current(8/20μs)Imax	400kA
Fault Current Rating	65kA with 200A breaker
Protection LevelVPR	0.8kV(L-N)1.7kV(L-L,L-G)
SPD Technology	MOV
Response TimeTa	25ns
Temperature & Humidity rating	Temperature: -20 to 80℃, (-4-176F) Relative humidity: ≤95

4.Physical Structure

Dimensions

400(L)*300 (W)*200(H) mm

Enclosure Color

Grey

Enclosure Type(Outdoor)

Type 4X PC

Mounting

Parallel in System

Connection Terminal(SPD) hardwire

#14-#2/0AWG(2.5Mm²-70Mm²)