Izinto zikagesi zokulawula nokuvikela uchungechunge lwe-HWK3 zisetshenziswa kakhulu kumjikelezo we-AC 50HZ (60HZ), ukalwe ugesi osebenzayo waba ngu-690V. Kukalwe ukusebenza kwamanje ku-1A ukuya ku-125A, amandla enjini 0.12KW kuya ku-55KW, ikakhulukazi asetshenziselwa ukulawula okuvaliwe kwesekethe, nokuvikela iphutha lomthwalo welayini. Yamukela isakhiwo esihlanganisiwe se-modular, esihlanganisa imisebenzi eyinhloko yama-breaker circuit, ama-contact, ama-relay alayishiwe, iziqalisi, ama-isolator neminye imikhiqizo. Umkhiqizo owodwa ungangena esikhundleni senhlanganisela yasekuqaleni yezingxenye eziningi.