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CQY2 Low-Voltage Surge Arrester
CQY2 Low-Voltage Surge Arrester

CQY2 Low-Voltage Surge Arrester

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Zhejiang Chuangqi Electric Co., Ltd.

Wenzhou,Zhejiang,China

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CQY2 surge arrester is suitable for power supply system with AC 50Hz and rated voltage less than 400V. Lightning strike or surge overvoltage protection can meet the end protection requirements of power equipment.

1  Application

CQY2 surge arrester is suitable for power supply system with AC 50Hz and rated voltage less than 400V. Lightning strike or surge overvoltage protection can meet the end protection requirements of power equipment.


 

2  Type designation



3 Technical data

Specifications  
ModelCQY2-BCQY2-CCQY2-D
Protection classB(SPD,class Ⅰ)C(SPD,class Ⅱ)D(SPD,class Ⅲ)
Rated voltage Un(V)400400230
Max. Continuous Operating Voltage Uc(V)440440250
Nominal discharge current (8/20μs)In(kA)30205
Max. discharge current Imax(kA)604010
Voltage protection level Up(kV)21.81
Response time (ns)<25<25<25

4  Order Specifications

 

5  Conductor requirements and cross-sectional area

Copper cross-sectional area (mm2)
4~25

6  Dimensions and installation sizes(unit :mm)


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