I-YFB3 yochungechunge lwe-YFB3 luqhushumbo-ubungqina besigaba sesithathu iimotor ezi-asynchronous zivalelwe ngokupheleleyo-i-fan-cooled squirrel-cage yesigaba sesithathu se-asynchronous motors.Ineempawu zobukhulu obuncinci, ubunzima obulula, ukusebenza okuthembekileyo, inkangeleko entle, njl. njl., kwaye ineenzuzo zokusebenza okuphezulu, ingxolo ephantsi, ukungcangcazela okuncinci, umda omkhulu wokunyuka kwamaqondo obushushu, ukusebenza okugqwesileyo, ubume obuphambili kunye nobungqingqwa bokungaqhushumba, ukusetyenziswa okukhuselekileyo nokuthembekileyo, njl.