Overview
Three-phase AC 50Hz outdoor high-voltage switchgear. It is composed of operation, conductive circuit, insulation system, seal and shell, and the overall structure is three-phase common box type. It is used in 10kV rural grid and urban grid power system, as a sub-load and combined load current, overload current, short-circuit current and other similar places.
Enforce the standard
GB1984-2003
GB/T11022-1999
IEC62271-100 High Voltage AC Circuit Breaker
Model Meaning
Conditions of Normal Use
◆Ambient temperature: -40°C ~+40°C;
◆ Altitude: ≤ 3000m (if the altitude increases, the rated insulation level will be increased accordingly);
◆The surrounding air can be polluted by dust, smoke, corrosive gas, steam or salt spray, and the pollution level is Class IV;
◆The wind speed should not exceed 34m/s (equivalent to 700Pa on the cylindrical surface);
◆ Vibration or ground motion from the outside of the switchgear and control equipment is negligible;
◆Conditions of use.
If you need to apply under normal use conditions different from those specified above, please consult with us.