N-5 Switch Box
Specifications
productive history for 30 years,current range:20A
certificate:CE
switch box
No. |
Tech Parameters |
requirement |
1. |
rated voltage |
below 690V |
2. |
rated current |
20A |
3. |
frequency |
AC50HZ |
4. |
No.of poles |
|
5. |
No.of layers |
3 layers |
6. |
panel size |
48*64mm |
7. |
colour of handle |
black, |
8. |
Working temperature |
-25°C~+40°C REMARKS:the average temperature mustn’t be pass 35°C |
9. |
Working height |
≤2,000m |
10. |
Relative humidity |
≤50% with highest temperature +40°C,but allow higher humidity with low temperature less than 40°C (eg.:humidity 90%----teperature20°C) |
11. |
Instalation conditions |
polution class III |
12. |
Mechanical life |
0.1*106times |
13. |
Electrical life |
0.03*106times |
14. |
Operative frequency |
120times/hour |
15. |
transform angle |
45° |
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