Vacuum Load Breaking Switch(LBS)is three-phase AC indoor high-voltage switch,we have ISO9000 certificate and other certificate

Vacuum Load Breaking Switch(LBS) is three phase AC 50Hz indoor high-voltage switch equipment, which is suitable in the rated voltage 12kV electrical power systems. The switch has capability of making, load bearing, breaking load and overloading current. It can also break or make the idling long-line, the transformer and the capacitor.
Rated voltage:12KV
Rated frequency:50HZ
Rated current :630A
Rated active load breaking current:630A
Rated closed load breaking current:630A
5% rated active load breaking current:31.5KA
Rated cable charge breaking current:10A
Rated idling transformer capacity:1250KVA
1min power frequency withstand voltage:42/48KV
Lighting surge withstand voltage:75/85KV
Rated short-time withstand current:20/4 KA/S
Rated peak value withstand current:5KA
Rated short-circuit making current:50KA
Rated current breaking times :10000times
Mechanical life:10000times
Vacuum explosion chamber contact permission attrition thickness :2mm