Detailed Product Description

VS1 series vacuum circuit breaker is indoor high-voltage switch-gear with 12kV

rated voltage and three-phase AC 50Hz. It is developed by introducing technology

of ABB Corporation, Switzerland, and by analyzing domestic development condition

and productivity. The overall structure of this product is formed with the switch
main bodies and operating devices.



Features:

1) Uses the compound high level insulation structure

2) No pollution and explosion hazard

3) Operating device: spring loaded type

4) Electrically operated or manual operation



Ambient condition of service:

1) Ambient air temperature:

    a) Upper limit: 40°C

    b) Lower limit: -10°C

2) Ambient humidity:

    a) Daily average value: ≤ 95%

    b) Monthly average value: ≤ 95%

3) The height above sea level: below 1,000m

4) Earthquake intensity: below 8 grades

5) Condition: no peril of fire and explosion, no corrosive gas and no vibration

    or shock