Product description

VS1-12 type indoor high voltage vacuum circuit breaker is a three-phase AC 50Hz indoor switchgear with rated voltage of 12kV power system. It is used as protection and control unit for power equipment and industrial and mining enterprise power equipment. It is suitable for places that require frequent operation at rated operating current, or where there is more short-circuit current.
The circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body, and can be used as a fixed installation unit, or can be equipped with a special propulsion mechanism to form a handcart unit.

Model meaning

Conditions of Use

◆ Ambient temperature: no higher than +40 ° C, not lower than -15 ° C (not allowed to store at -30 ° C);

◆ Altitude: no more than 1000m;

◆ Relative humidity: the daily average value is not more than 95%, the monthly average is not more than 90%, and the average value of saturated steam pressure is not more than 2.2×10-3MPa;

◆ The monthly average is not more than 1.8x 10-3MPa;

◆ Earthquake intensity: no more than 8 levels;

◆ No fire, explosion, serious pollution, chemical corrosion and severe vibration.

The main technical parameters

Shape and installation size (mm)