ZW8- 12 Series VCB, ndi panja mkulu voteji lophimba zida ndi oveteredwa voteji 12KV, 3-gawo AC 50HZ. Ndi makamakaamagwiritsidwa ntchito kuthyola katundu wamakono, kudzaza panopa ndi chigawo chachifupi cha gridi yamagetsi akumidzi, gridi yamagetsi yakumatauni ndi mphamvu zazing'onodongosolo. Kapangidwe ndi 3-gawo mu bokosi lomwelo.3-gawo vacuum interrupter ali mu bokosi zitsulo, anatengera insulated zinthu.SMC ngati gawo mpaka gawo lotsekera komanso kutchinjiriza kwapadziko lapansi. Ili ndi magwiridwe antchito odalirika, mulingo wa insulating ndi wapamwamba kwambiri.
ZW8- 12G ndi kuphatikiza kwa ZW8- 12 ndi switch yodzipatula, yotchedwa kuphatikiza circuit breaker, itha kugwiritsidwa ntchito ngatichotsani masiwichi.
Makina opangira izi ndi mtundu wa CT23, makina opangira masika, amatha kukhala amagetsi kapena mtundu wamanja.