ZN12-40.5 raupapa VCB Ngaohiko teitei o roto, he taputapu hiko me te ngaohiko whakatau 40.5KV, 3-waahanga AC 50HZ. He mea kawemai i te hangarau 3AF mai i Siemens Germany. Ko taua VCB, he mea nui te mahi me te whakawhiti. Ko te hanganga mahi ko te kaha e penapenahia ana e te puna whakatapua, ka taea te whakahaere e te AC, DC, te ringaringa ranei. He maamaa te hanganga o taua VCB, he pai te pakaru, he roa te oranga, he mahi whanui, kaore he kino o te pupuhi. ngawari ake te tiaki. He pai mo te mana whakahaere, hei whakamarumaru ranei mo te teihana hiko, te matiti hiko taone me te teihana, ina koa mo nga waahi e hiahia ana kia pakaru te kawenga me te mahi pakaru.