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SPD surge protective device
SPD surge protective device
SPD surge protective device
SPD surge protective device
SPD surge protective device
SPD surge protective device

SPD surge protective device

Member Details

WENZHOU WANGKE TRADING CO.,LTD

China

Trading Company

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SPD surge protective device

Application

The type 2 surge protective device are applicable to discharge overvoltage caused by switch-type (8/20μs wave-form) over currents. The type 2 arresters must be installed into sub-distribution boards (at condominium into distribution boards of ?ats) after main distribution boards containing type 1 arresters. For proper operation at least 10- 15 m cable or wire must be placed between type 1 and type 2 arresters. Otherwise a decoupling coil has to be installed between the two devices. These protectors are modular types with changeable insert; the auxiliary contact is built-in into the housing of the device.

Electrical Features

ModelEKU4-20EKU4-40EKU4-B+CEKU4-60EKU4-80EKU4-100
TpyeDCB+CBBB
Rated Voltage(Un)275V385V275V385V275V385V275V385V275V385V275V385V
Maximum Continuous Operation Voltage(Uc)275V385V275V385V275V385V275V385V275V385V275V385V
Voltage Protection Level (Up)1.2KV1.5KV1.3KV1.6KV1.5KV2.0KV1.4KV2.0KV1.6KV2.2KV2.0KV2.5KV
Nominal Discharge Current In (8/20μs)10KA10KA20KA20KA30KA30KA30KA30KA40KA40KA60KA60KA
Maximum Discharge Current Imax (8/20μs)20KA20KA40KA40KA50KA50KA60KA60KA80KA80KA100KA100KA
Maximum Discharge Current Imax (10/350μs)  7KA7KA   
Reaction Time<25ns<25ns<25ns<25ns<25ns<25ns
Test LevelT2T2T1+T2T2T2T2
Width/Pole18mm18mm18mm18mm18mm18mm
Color Mark      
Shell MaterialPBTPBTPBTPBTPBTPBT
Ambient Temperature-40℃~80℃-40℃~80℃-40℃~80℃-40℃~80℃-40℃~80℃-40℃~80℃
Fuse or Circuit Breaker Matched20A25A32A32A32A40A
 
Terminal Speci?cation
 
Line2.5~35mm22.5~35mm22.5~35mm22.5~35mm22.5~35mm22.5~35mm2
PE4.0~35mm24.0~35mm24.0~35mm24.0~35mm24.0~35mm24.0~35mm2
Signal1.5mm21.5mm21.5mm21.5mm21.5mm21.5mm2
No.of Pole1P, 2P, 3P, 4P, 1P+N, 2P+N, 3P+N
Protection DegreeIp20
MountingDIN rail 35mm
Network SystemTN, TT, IT
Signal TerminalAvailable

 Overall and Installation Dimension(mm)

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