it complies with the standard GB1948-89.Characterized with resonable structure ,simple maintenance,safe and reliable operation.

General:

ZW32-12 series pole-mounted outdoor  vacuum circuit breaker is an three-phase high-voltage electric equipment of AC50HZ and rated voltage 12KV.It is applicable to indurstrial and mining enterprises,transformer substations and other power transmission and distribution systems,used as control and protection switch ;

it is especially suitable for indurstries like metallurgy,arc steel and so on where require frequent operation ,serving as control and protection device.it suitable for making and breaking the load current ,over-load current and short-circuit current of urban or rural distribution system.

 it complies with the standard GB1948-89.Characterized with resonable structure ,simple maintenance,safe and reliable operation.

It can be equiped with CD10II type spring operating mechanism or CT19II type spring operating mechanism.

Normal service condition:

1) The altitude above sea level does not surpass 1000m
2) Surrounding air temperature:
a) Upper limit: +40°C
b) Lower limit general area: -30°C
c) High and cold area: -40°C
3) The wind pressure does not surpass 2.2kPa (equal to wind speed 34m/s)
4) The earthquake intensity does not surpass 8°
5) Not frequent fierce vibration place
6) The ordinary installment place should the not serious influence isolator insulation
and the electric conduction ability gas, the vapor, the chemical properties
deposition, the salt mist, the dust and other explosive, corrosive matter
7) Antifouling is suitable for the heavy contamination area, but should not have
causes of the fire and the explosive

characteristics:

it complies with the standard GB1948-89.Characterized with resonable structure ,simple maintenance,safe and reliable operation.