YFB4 yuruhererekane rwumukungugu uturika-ibyiciro bitatu moteri ya asinchronous ni moteri yuzuye yifitemo-gukonjesha-gukonjesha-cage ibyiciro bitatu moteri idafite imbaraga. Ifite ibiranga ubunini buto, uburemere bworoshye, imikorere yizewe, isura nziza, nibindi. Ifite kandi imikorere myiza, urusaku ruto, kunyeganyega gato no kuzamuka kwubushyuhe buke. Ibikorwa binini, byiza cyane, byateye imbere kandi byumvikana byubaka-biturika, gukoresha umutekano kandi wizewe, nibindi.
Moteri ya ac moteri idashobora guturika ikwiranye cyane cyane n’ahantu hagaragara ivumbi ryaka mu buvuzi, imyenda, metallurgie, gutunganya ingano, gutunganya ibiryo, ifumbire mvaruganda, itabi, gukora impapuro, ibikoresho bya sintetike, ibikoresho byubaka, nibindi.