HWK3 yakatevedzana kutonga uye kudzivirira switch midziyo inonyanya kushandiswa mudunhu re AC 50HZ (60HZ), yakayerwa kushanda voltage kusvika 690V. Yakatemerwa kushanda ikozvino 1A kusvika 125A, mota simba 0.12KW kusvika 55KW, inonyanya kushandiswa pa-off control yedunhu, uye kukanganisa kuchengetedzwa kwemutsara mutoro. Iyo inotora modular yakabatanidzwa chimiro, iyo inobatanidza iwo makuru mabasa edunhu mabreaker, macontactor, overload relays, kutanga, isolators uye zvimwe zvigadzirwa. Chigadzirwa chimwe chete chinogona kutsiva iyo yekutanga-multi-component musanganiswa.