AC motor, Technical parameter1Rated Voltage: 110V (220V-240V)6Insulation Class: class B2Rated frequency: 50Hz-60Hz7Environment temperature:-10-43 degree3Power: 20W-800W8Bearing temperature: 90 degree4Number of Pole: 4 /6/8poles9Loaded condition: fan5Working condition: Countinuous The above parameters can be changed based on your demands