Vacuum Circuit Breaker (Indoor , ZN12 Series)
Detailed Product Description
Vacuum Circuit Breaker (Indoor, ZN12 Series)
General
The ZN12 (ZN68) series vacuum breaker is an indoor HV swithchgear with rated voltage 12/40.5kv, 3 phases AC 50Hz , Introduced from German Siemens , with simple structure , strong switching capability , long life and full operation functions , the breaker has no explosion hazard and is easy to maintain . it is used for controlling or protecting switch in transmission and distribution systems of power plants and transformer substations . Especially for switching off important load and some places with frequently operation .
Main Technical Parameter
| Item | Unit | Parameter | ||||
| Rated voltage | KV | 12 | 12 | 12 | 40.5 | 40.5 |
| Rated current | A | 1250 | 1600 | 2000 | 1600 | 2000 |
| Rated Frenquency | Hz | 50 | ||||
| Rated short-circuit interrupting current | KA | 31.5 | 31.5 | 31.5 | 25 | 31.5 |
