ZN12-40.5 mndandanda wa VCB yamagetsi yamkati, ndi chosinthira cha vacuum chokhala ndi magetsi ovotera 40.5KV, magawo atatu a AC 50HZ. Chimachokera ku Siemens Germany. VCB yotereyi, ntchito ndi chosinthira ndizofunikira kwambiri. Kapangidwe ka ntchito ndi mphamvu yosungidwa ndi kasupe wodzipereka, imatha kuyendetsedwa ndi AC, DC, kapena ndi manja. Kapangidwe ka VCB kotere ndi kosavuta, kokhala ndi mphamvu yabwino yosweka, nthawi yayitali yogwira ntchito, ntchito yonse, palibe ngozi yophulika. Kukonza kosavuta. Ndikoyenera kuwongolera kapena kuteteza chosinthira cha magetsi, gridi yamagetsi ya m'mizinda ndi malo osinthira magetsi, makamaka malo omwe amafunika kusweka ndi kusweka nthawi zambiri.