YDFW series external rotor low noise three-phase asynchronous motor, for fully enclosed squirrel cage three-phase asynchronous motor. With the external rotor structure, low noise, small vibration, can be carried out with the aid of three-phase voltage regulator, etc.. And horizontal double suction type fan supporting, which are widely used in paint baking room, hospitals, hotels, shopping malls, airports, purifying workshop, scientific research departments and other units. Is fan, air conditioner, refrigerator, purifying equipment, auxiliary power source ideal roof ventilation equipment etc..