HWK3 usoro akara na nchebe mgba ọkụ ngwa na-bụ-eji na sekit nke AC 50HZ (60HZ), gosiri na-arụ ọrụ voltaji ka 690V. Ejiri 1A ruo 125A na-arụ ọrụ ugbu a, ike moto 0.12KW ruo 55KW, nke a na-ejikarị maka njikwa mgbanyụ nke sekit, yana nchebe mmejọ nke ibu ahịrị. Ọ na-agbaso usoro agbakwunyere modular, nke na-ejikọta isi ọrụ nke ndị na-agbaji sekit, ndị na-ahụ maka kọntaktị, relays na-ebufe ibu, ndị mbido, ndị na-ekewapụ na ngwaahịa ndị ọzọ. Otu ngwaahịa nwere ike dochie nchikota ọtụtụ akụkụ mbụ.