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Summary
ZW32-12 series outdoor high voltage vacuum circuit breaker is the outdoor equipment of 50HZ, 12KV ,
Applied to breaking , making the power system load current , overload current and short circuit current ,
Also suitable for the frequent operation site .
The circuit breaker match with the controller to be the recloser .
Regular Working Conditions
1. Ambient temperature : -25 ℃ ~ +40 ℃
2. The sea level height not above 1000m
3. Wind pressure : Not exceed 700Pa .
4. Air pollution level : Not exceed grade IV .
5. The installation environment shall be without obvious filth, no explosive or corrosive gas and dust The installation site shall be free of violent shock.
Main technical parameters
|
Rated Frequency |
Hz |
50 |
|
Rated Current |
A |
630 |
|
Rated short circuit breaking current |
KA |
12.5/16/20 |
|
Rated short circuit making current(peak) |
KA |
50 |
|
Rated Peak withstand voltage |
KA |
50 |
|
4S Rated short time withstand current |
KA |
20 |
|
Closing time / Opening time |
ms |
25~50/15~50 |
|
Rated short circuit breaking current times |
times |
30 |
|
Mechanical life |
times |
10000 |
|
Control circuit 1 min power withstand voltage |
A |
5 |
|
Rated operation voltage and auxiliary loop |
% |
+- 10 |
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