Izixhobo zokulawula nokukhusela uthotho lwe-HWK3 zisetyenziswa kakhulu kwisekethe ye-AC 50HZ (60HZ), i-voltage yokusebenza elinganiswe ukuya kwi-690V. I-current yokusebenza elinganiswe ukusuka kwi-1A ukuya kwi-125A, amandla emoto ukusuka kwi-0.12KW ukuya kwi-55KW, isetyenziselwa kakhulu ulawulo lwesekethe oluvuliweyo, kunye nokukhusela iimpazamo zomthwalo womgca. Yamkela isakhiwo esidibeneyo semodyuli, esidibanisa imisebenzi ephambili yee-circuit breakers, ii-contactors, ii-overload relay, ii-starters, ii-isolators kunye nezinye iimveliso. Imveliso enye inokuthatha indawo yendibaniselwano yokuqala yamacandelo amaninzi.