VAC63(VS1)1-12 indoor M.V. VCB is an indoor switchgear with tri-phase AC 50Hz, rated voltage of 12kV, control and protection for industrial and mining enterprises, power plants and substations, electrical facilities and for frequent operation place adopting VET operating mechanism and circuit breaker integrated design can be used as a fixed installation unit can also be equipped with special advance mechanism, the composition of handcart unit used some of the main circuit can use the whole solid seal post with high reliability,maintenance free, in order to achieve smaller circuit breakers, can be equipped with KYN2BA 12(GZS) and other handcart switch cabinet.In the home it can also be used with fixed XGN switchgear.
VAC63 is regular type mechanism, VAC83 is improved on the basis of VAC63. All VAC83 mechanisms can be replaced by VAC63 mechanisms, they are universal mechanism.