HWK3 zida zowongolera ndi zotetezera zida zamagetsi zimagwiritsidwa ntchito mozungulira AC 50HZ (60HZ), yamagetsi yamagetsi yamagetsi mpaka 690V. Idavoteledwa kugwira ntchito 1A mpaka 125A, mphamvu yamagalimoto 0.12KW mpaka 55KW, yogwiritsidwa ntchito kwambiri pakuwongolera kayendedwe ka dera, komanso kuteteza zolakwika pamzere. Imagwiritsa ntchito dongosolo lokhazikika, lomwe limagwirizanitsa ntchito zazikulu za ma breakers, ma contactors, zotumizira zochulukirapo, zoyambira, zodzipatula ndi zinthu zina. Chogulitsa chimodzi chingalowe m'malo kuphatikiza koyambirira kwamitundu ingapo.