Description:
ZN63A-12 (Vs1) type indoor high voltage vacuum circuit breaker (here in after referred to as circuit breaker) is used for indoor high voltage switch equipment of power system,as a protection and control unit of network equipment,industrial andmining enter prises power equipment, suitable for the place of frequent operation atrated working current or many times of breaking short-circuit current place.The circuit breaker uses the integrated design of actuator and the circuit breaker body,not only can be used as a fixed install unit, also can be equipped with special chassis,hand car unit.
| tem |
Unit |
Date |
| Rated voltage |
Kv |
24 |
| Rated frequency |
Hz |
50/60 |
| Solution level |
Thunder impulse withstand voltage (peak value) |
Kv |
125 |
| 1min industrial frequency withstand voltage |
Kv |
65 |
|
|
| Rated short-circuit break current |
KA |
20 |
25 |
31.5 |
| Rated current |
A |
630,1250 |
630,1250,1600 |
1250,1600,1200,2500 |
| Industrial frequency withstand current |
KA |
20 |
25 |
31.5 |
| Rated peak value withstand current |
KA |
50 |
63 |
80 |
| Rated short circuit close current |
KA |
50 |
63 |
80 |
| Rated operation order |
|
O-0.3s-CO-180s-CO |
| Rated short-circuit break and close time |
Times |
20 |
| Rated short-circuit duration |
s |
4 |
| Mechanical life-span |
Times |
10000 |
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