CQY2 Low-Voltage Surge Arrester
Inquire NowCQY2 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 | |||
| Model | CQY2-B | CQY2-C | CQY2-D |
| Protection class | B(SPD,class Ⅰ) | C(SPD,class Ⅱ) | D(SPD,class Ⅲ) |
| Rated voltage Un(V) | 400 | 400 | 230 |
| Max. Continuous Operating Voltage Uc(V) | 440 | 440 | 250 |
| Nominal discharge current (8/20μs)In(kA) | 30 | 20 | 5 |
| Max. discharge current Imax(kA) | 60 | 40 | 10 |
| Voltage protection level Up(kV) | 2 | 1.8 | 1 |
| 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）
