Description
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 |
Complaint
