ZN63A(VS1)-12 vacuum circuit breaker is a type of indoor power distribution equipment. It 's developed by bring in technical of ABB cooperation combining our domestic situation. It can be used in double deck cabinet, fixed cabinet for protecting and controlling in transformer substation and power system of industrial and mining enterprises. They are especially appropriate to oil forbidden, maintenance free, and frequent operation places, strictly stick to the stander of GB-1984,DL403and IEC No.56,No.694.

Ambient condition

1 Ambient temperature: max +40°C min -15°C(conveyance under -30°C is allowed)

2 Altitude: ≤1000m

3 Relative humidity: daily average relative humidity: ≤95%; monthly average relative humidity≤90%; daily average saturated vapor pressure ≤2.2*10^-3 MPa; monthly average value  ≤1.8*10^-3 MPa

4 Earthquake intensity: ≤8 degree

5 The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution

Order instruction

Complete model and order quantity of the product

Rated current, rated voltage, distance of each poles

Rated short circuit breaking current, operation voltage

Required accessory and quantity

Other requirement please contact with us directly