1.Class F Insulation
2.Quick installation
3.Energy efficient
4.Quiet operation
5.Ball bearing
6.Automatic overload
7.Operating temp -10-43 degree
8.variable speed :750-1390rpm
9.Number of Pole:4Pole
10.Speed: 1390rpm
11.Thermal protection
12.Usage: evaporative air cooler ,air cooler fan
13.High efficiency,High reliability,Little vibration,Low noise Specifications
14.smooth running
15.long work times and Low temperature low noise
16.steady performance
17.large loading capacity