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 nengqiqo, usetyenziso olukhuselekileyo noluthembekileyo, njl.
Iimotor ze-ac ezingenakuqhushumba zilungele iindawo apho uthuli olunokutsha lukhona kumayeza, amalaphu, isinyithi, ukulungiswa kweenkozo, ukusetyenzwa kwesondlo, izichumisi zekhemikhali, icuba, ukwenziwa kwephepha, izinto zokwenziwa, izinto zokwakha, njl.