ʻO ZW32-12type waho kiʻekiʻe VCB, kūpono ia no ka ʻōnaehana mana 3-phase me AC 50HZ, voltage 10-12KV, hoʻohana ʻia no ka haki ʻana, ka pani ʻana i ke au ukana. Loaʻa iā ia ka hana o ka overload a me ka pale kaapuni pōkole, hiki ke hoʻokō i nā koi o ka kaohi a me ke ana ʻana. Hiki ke hoʻohana ʻia ma ke ʻano he mana mamao, ka nānā ʻana, a pēlā aku. He kūpono ia no ka kaohi ʻana a me ka pale ʻana i nā lako no ka ʻōnaehana mana o nā ʻoihana substation a me nā ʻoihana mining, kūpono hoʻi no nā wahi me ka hana pinepine ʻana ma ka pūnaewele mana kuaʻāina.
