Three-phase asynchronous motor for cooling tower is modified on the basis of Y2 series three-phase asynchronous motor. According to outdoor use and related special requirements, the cooling tower uses special design in exterior, installation size, seal and waterproofness. The cooling tower is characterized by small noise, small vibration, high efficiency, small starting performance, reliable operation, etc. Insulation grade F, protection grade IP55, cooling mode IC0141, working mode S1, voltage 380V and frequency 50Hz.