... motor is mainly composed of core, primary and secondary windings, rotor, stator and bobbin. Secondary winding is the short-circuiting ... ring, producing magnetic potential and forming a rotating magnetic field in the air gap. ... Application: Ventilator, Nebulizer, Vacuum pump, Air pump, Oven Motor electric Fan motor Oven motor YJ62-20:120/220V, 50/60hz, 2500-3000rpm ...