ZW8-12 Series VCB, bụ ngwa mgba ọkụ voltaji dị elu n'èzí nwere voltaji 12KV, AC nke nwere usoro atọ 50HZ. Ọ bụ ya bụ isi.eji agbaji ọkụ eletrik, ọkụ eletrik na-ebu ibu na ọkụ eletrik dị mkpụmkpụ maka grid ike ime obodo, grid ike obodo na obere ike.sistemụ. Nhazi ahụ bụ usoro atọ n'otu igbe ahụ. Usoro atọ - ihe nkwụsịtụ oghere dị n'ime igbe ígwè ahụ, ihe eji eme mkpuchi nke ejiri ihe mkpuchi mee.SMC dịka mkpuchi site na usoro ruo usoro na mkpuchi site na ụwa. Ọ nwere arụmọrụ a pụrụ ịtụkwasị obi, ọkwa mkpuchi dị elu nke ukwuu.
ZW8-12G bụ njikọta nke ZW8-12 na mgbanyụ iche, nke a na-akpọ combination circuit breaker, enwere ike iji ya dị ka combination circuit breaker.Kwụpụ ihe mgbanyụ ọkụ.
Ihe na-eme ihe maka ngwaahịa a bụ ụdị CT23, usoro chaja mmiri, ọ nwere ike ịbụ ụdị eletriki ma ọ bụ ụdị aka.