Product description

SMGV1-12S series of indoor vacuum circuit breaker is a three-phase AC 50Hz, rated voltage of 12kV indoor switching equipment for industrial and mining enterprises, power plants and substations, electrical facilities control and protection purposes, and suitable for frequent operation of the place. Using SV8 actuator and circuit breaker body integration, design can be used as a fixed installation unit, can also be equipped with special propulsion agencies, the composition of the hand-car unit. The main circuit part can adopt integral solid sealing pole to realize miniaturization, high reliability and maintenance-free. It can be equipped with KYN28A-12 (GZS) and other middle handcart switch cabinet. It can also be used for XGN fixed Switchgear.

Model and meaning

Environmental conditions

○ Ambient air temperature: upper limit + 40 ℃, lower limit -15 ℃;

○ Altitude: ≤ 1000m (If you need to increase the altitude, the rated insulation level corresponding increase);

○ Air relative humidity is not more than 95% daily average, the monthly average of not more than 90%;

○ Amplitude: earthquake intensity does not exceed 8 degrees;

○ No fire, explosion hazard, serious pollution, chemical corrosion and severe vibration of the place.

The main technical parameters

Note: 20kA, 25kA, 31.5kAt = 0.3stl = 180s: 40kAt = 180stl = 180s

Outline and mounting dimensions (mm)