ZW20-12F series outdoor high voltage vacuum circuit breaker  

ZW20-12F model common tank outdoor 12kv sf6 load break switch
Overview:
ZW20-12 F Type of outdoor high voltage vacuum circuit breaker for a period of 12KV, rated voltage of the three-phase ac 50HZ outdoor distribution equipment. It adopts vacuum arcing and SF6 gas as insulating medium is ZW20-12 column type vacuum circuit breaker on the modified products.
The product suitable for substation industrial and mining establishments rural power network and occasions with frequent operation to protect and control. ZW20A outdoor AC high voltage vacuum circuit breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 36kv three-phase alternating current 50Hz power system, also suitable for occasion with frequent operations.

Service conditions:
1. Ambient Temperature: -40℃ ~ +40℃
2. Altitude: ≤2000m
3. Wind speed: ≤34m/s
4. Earthquake intensity: ≤8
5. Relative humidity: daily≤95％, month≤90％
6. Installation site: Not including inflammable, explosive, chemical corrosion.