Le transformer yiresin ye-epoxy efakwe kwisakhiwo esivaleleke ngokupheleleyo kunye nokugqunyelelwa okupheleleyo.Yenzelwe ukusetyenziswa komlinganiselo wombane, amandla ombane kunye nokhuseleko lwe-relay kwinkqubo yamandla ereyithiweyo ngamaza e-50Hz - 60Hz kunye ne-voltage elinganisiweyo eyi-3,6, i-10 kV okanye ngaphantsi. Ubungakanani obuncinci, ubunzima obulula bunokufakwa nakweyiphi na indawo.