ʻO VS1-12 series paʻa i hoʻopaʻa ʻia i loko o ka hale kaʻa kaʻa kaʻa kaʻa kaʻa he kiʻekiʻe kiʻekiʻe i loko o ka hale no ka ʻōnaehana mana ʻekolu-phase me ka volta helu o 12kV a me ke alapine o 50 Hz.Hoʻohana ʻia ʻo ia ma ke ʻano he pale a me ka mea hoʻokele ma muli o ka haʻihaʻi kaʻapuni vacuum.ʻO nā pono kūikawā kūpono loa no nā hana maʻamau e koi ana i nā au i hoʻopaʻa ʻia a i ʻole ka nui o nā au pōkole pōkole.
VS1-24 moʻo paʻa i hoʻopaʻa ʻia i loko o ka hale kaʻa kaʻa kaʻa kaʻa kaʻa i hoʻopaʻa paʻa ʻia, hoʻohana nui ʻia no ka switchgear paʻa.Hiki ke hoʻohana wale ʻia ka mea hoʻoheheʻe kaapuni a i ʻole i ke apo mana, pahu transformer a i ʻole nā ʻōnaehana lako mana ʻole.