ZW8- 12 Series VCB, ndi chipangizo chosinthira chamagetsi chakunja chokhala ndi magetsi ovoteledwa a 12KV, AC ya magawo atatu 50HZ. Ndi makamakaimagwiritsidwa ntchito kuswa mphamvu yamagetsi, mphamvu yamagetsi yodzaza ndi magetsi afupikitsa pa gridi yamagetsi yakumidzi, gridi yamagetsi yamatauni ndi mphamvu yaying'onodongosolo. Kapangidwe kake ndi ka magawo atatu m'bokosi lomwelo. Cholepheretsa vacuum cha magawo atatu chili m'bokosi lachitsulo, chogwiritsidwa ntchito ngati zinthu zotenthetseraSMC monga kutchinjiriza kwa gawo kuchokera ku gawo kupita ku gawo komanso kutchinjiriza kwa dziko lapansi. Ili ndi magwiridwe antchito odalirika, mulingo wotchinjiriza ndi wapamwamba kwambiri.
ZW8-12G ndi kuphatikiza kwa ZW8-12 ndi switch yodzipatula, yotchedwa combination circuit breaker, ingagwiritsidwe ntchito ngatisinthani ma switch.
Choyatsira cha chinthuchi ndi cha mtundu wa CT23, njira yolipirira masika, chingakhale cha mtundu wamagetsi kapena chamanja.