Main uses

The VS1-12 type indoor high voltage vacuum circuit breaker is a three phase AC 50Hz with rated voltage of 12KV power system indoor switchgear. It is used as protection and control unit of power equipment and industrial and mining enterprise power equipment. It is suitable for frequent operation under rated working current, or place where short circuit current is broken off.

The circuit breaker adopts the integrated design of the operation mechanism and the breaker body, which can be used as a fixed installation unit or a special propulsion mechanism to form the role of the handcart unit.

Model meaning

Environmental environment

A ambient air temperature: upper limit +40 C. The lower limit is -15 C;

B altitude: 1000m (for higher altitude, is rated insulation level increase);

C amplitude: the earthquake intensity is not more than 8 degrees;

The average daily relative humidity of D air is not more than 95%, and the monthly mean value is not more than 90%.

E fire, explosion hazard, serious pollution, chemical corrosion and violent vibration.

Main technical parameters

Shape and installation size