ZW10-12G/T630-12.5/16/20 outdoor high-voltage vacuum circuit breaker is mainly used for power distribution systems in rural, urban, mining, railway, and port areas with a rated current of 630A and a rated frequency of 50HZ at a voltage level of 12KV. It is particularly suitable for outdoor overhead lines to switch and protect the power grid by handling load current, overload current, and short-circuit current.
2、 This product is suitable for the following working conditions:
a. Environmental temperature -40 ℃~+40 ℃
b. Altitude not exceeding 2000mm, negotiate with users above 2000mm
c. Wind pressure not exceeding 700Pa (equivalent to a wind speed of 34m/s)
d. The daily average relative humidity should not exceed 95%, and the monthly average should not exceed 90%
e. Air pollution level III
f. The surrounding air should not be significantly polluted by corrosive or flammable gases
g. No frequent vigorous exercise
h. Silicone rubber used as an insulating medium should comply with the requirements of GB655386 for specific usage scenarios

ZW10-12G/T630-12.5/16/20 Outdoor High Voltage Vacuum Circuit Breaker