YFB4 yuruhererekane rwumukungugu uturika-ibyiciro bitatu moteri ya asinchronous moteri ifunze byuzuye kwifata-gukonjesha igituba-cage ibyiciro bitatu moteri idafite imbaraga. Ifite ibiranga ubunini buto, uburemere bworoshye, imikorere yizewe, isura nziza, nibindi. Ifite kandi imikorere myiza, urusaku ruke, kunyeganyega gato no kuzamuka kwubushyuhe buke. Ibikorwa binini, byiza cyane, byateye imbere kandi byumvikana byubaka-biturika, gukoresha umutekano kandi wizewe, nibindi.