Product Overview
ZW10(27)-12 outdoor high-voltage AC vacuum circuit breaker is a three-phase AC outdoor high-voltage switchgear, mainly with 12kV voltage level, rated frequency SOHz of rural power grid, urban grid, mine, railway, port power distribution system, especially suitable for outdoor overhead lines, load current, overload current, short circuit current, power grid switching and protection.
Conditions of Normal Use
◆ Ambient temperature: -40°C~+40°C;
◆ The altitude is not more than 2000m, and the above 2000m is negotiated with the user;
◆ The wind pressure does not exceed 700Pa (equivalent to the wind speed of 34m/s);
◆ The daily average relative temperature is not more than 95%, and the monthly average is not more than 90%;
◆ Air pollution grade I;
◆ The surrounding air should not be obviously polluted by corrosive or flammable gases;
◆ No frequent violent vibration.
