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General
ZW32 Outdoor High voltage AC Vacuum Circuit Breaker(hereinafter called breaker)is a new generation outdoor vacuum circuit breaker researched and developed recently based on the foreign advanced technology and combining the features of power industry of our country.

The breaker is an outdoor high voltage switch equipment of 3-phase 50HZ rated voltage 12KV,mainly used in the distribution system of urban network,rural network,substation,industrial and mineral enterprises for cutting load current,overload current and short circuit cureent,Due to the special feature of vacuum circuit breaker,it is particularly suitable for the sites where frequent operations and no oiling are required.

The breaker complies with the standards of GB 1984"AC high voltage breaker",JB3855"3.6-40.5KV indoor AC high voltage vacuum circuit breaker"and as well as the relevant requirements of IEC.
Type and Meaning

Normal use condition of product

a.Ambient temperature:Max.temperature:+40^oC;
Min.temperature:-45^oC;
Maximum daily temperature difference:25^oC;
b.Ambient humidity:Daily average relative humidity:≤95%;
Monthly average relative humidity: ≤90%;
c.Daily average saturated vapor pressure:≤2.2KPa;
Monthly average saturated vapor pressure:≤1.8KPa;
d.The altitude isn't over:1000m;
e.Earthquake intensity isn't exceed:8grade;
f.The speed of wind isn't over 35m/s;
g.Pollution grade:
h.In the places where there are:no fire,explosion,chemical corrosion or frequent violent vibration.