HWK3 jerin iko da kariyar canza kayan aikin ana amfani da yafi a cikin kewaye na AC 50HZ (60HZ), rated aiki ƙarfin lantarki zuwa 690V. An ƙididdige 1A zuwa 125A mai aiki na yanzu, ƙarfin motar 0.12KW zuwa 55KW, galibi ana amfani da shi don kashe kashe da'irar, da kuma kare kuskuren nauyin layi. Yana ɗaukar tsarin haɗin kai na zamani, wanda ke haɗa manyan ayyuka na masu watsewar kewayawa, masu tuntuɓar juna, relay mai yawa, masu farawa, masu keɓewa da sauran samfuran. Samfuri ɗaya na iya maye gurbin ainihin haɗakar abubuwa masu yawa.