YSE and YDSE series double-rotor soft start three-phase asynchronous brake motor, is new design brake motor especially for the working of cranes lifting equipment. YSE is single-speed, YDSE is double speed. YSE and YDSE electric motor can be the power of electric single girder, double girder hoists and gantry cranes lifting equipment traveling mechanism , also suitable for the power of single girder electric hoist traveling mechanism.