I-YFB4 yochungechunge lwe-YFB4 luqhushumbo-ubungqina besigaba sesithathu se-asynchronous motor yi-self-fan-cooled squirrel-cage yesigaba sesithathu se-asynchronous motor. Uneempawu zobukhulu obuncinci, ubunzima bokukhanya, ukusebenza okuthembekileyo, ukubonakala okuhle, njl njl. Kwakhona kunokusebenza okuphezulu, ingxolo ephantsi, i-vibration encinci kunye nokunyuka kweqondo lokushisa eliphantsi. Ukusebenza okukhulu, okugqwesileyo, okuphambili kunye nokulungelelaniswa kobungqina bokudubula, ukusetyenziswa okukhuselekileyo nokuthembekileyo, njl.