With ceramic envelope and vacuum dielectric,It have a lotof advantages.such as high interruping capability,inside electricarc,safe and reliable.It is the ideal interruper used forcontrolling electrical equipment in the field of thecoalmine,chemical.electric power,metallurgical industry and soon.

   Being fitted with appropriate operating mechanism, theinterruper can be constructed to the HV/MV/LV AC circuit breaker orAC contactor used for the controlling devices of the powerdistribution,the remote turning on snd switching off motors,In theAC circuits such sd transformer and capacitor banks.Especailly.itis suitable to use as the isolate-explosion type magneticstarter.