ʻO ZW32-12type waho VCB kiʻekiʻe kiʻekiʻe, kūpono ia no ka ʻōnaehana mana 3-phase me AC 50HZ, voltage 10-12KV, i hoʻohana ʻia me ka haki ʻana, pani ʻana i ka ukana i kēia manawa. Loaʻa iā ia ka hana o ka overload a me ka pale pōkole pōkole, hiki ke hoʻokō i nā koi o ka kāohi a me ke ana. Hiki ke hoʻohana ʻia e like me ke kaohi mamao, ka nānā ʻana, a me nā mea ʻē aʻe. He kūpono ia no ka mālama ʻana a me ka pale ʻana i nā lako no ka substation a me ka ʻoihana mining ʻōnaehana mana, kūpono hoʻi no nā wahi me ka hana pinepine ʻana i ka pākuʻi kuaʻāina.
