Specifications: Parameters: Working power supply: AC220V 50/60HZ, voltage fluctuation range is positive or negative 10%Ue; Rated power: 400W The use of the environment temperature: -10~+50℃ Relative humidity: less than 90%. Speed range: 90-1400r/min 50HZ, 90-1700r/min 60HZ Dimension:10*8*5cm/3.94*3.15*1.97″ Usage method: 1. Turn off the power supply, connect to the wiring diagram…