APPLICATIONS:

●B class surge protective device for 3-phase 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.

FEATURES:

●Thermal disconnection technology with over-current protection circuit

●Working & malfunctioning status indications

●120kA maximum surge current

●Lightning counter is provided

●Y connection method applicable

●Simple installation and maintenance

●ISO 9001：2008 certificated，ISO14000:2004 certificated and OHSAS18000：2007 certificated

l  High quality products with TüV, CE, UL certificate

TECHNICAL PARAMETER：

Model

B120B3+N

Electrical Parameter

Nominal working voltage Un

50/60Hz  220/380VAC

Max. continuous operating voltage Uc

385V

Nominal discharge current（8/20µs）In

60kA

Max. discharge current  （8/20µs）Imax

120kA

Protection level @20kA , 8/20µs  Up

1500V

Response time t_A

25ns

Protection mode

L-N, N-PE

Mechanical characteristics

Dimension

400 (H)×300 (W)×120(L)mm

Weight per unit

4kg

Connecting wire diameter

25mm²

Enclosure

Steel with dichromate plated

IP code

IP65

Working conditions

Temperature: -40 to 85℃,

Relative humidity: ≤95％(25℃)

Standards compliance

IEC61643-1, UL94-V0, RoHS