... motor controller driver: Supply Voltage: 115V, 230V, 380VACMax power: 60WSpeed control: 100% controllable by 0-10V and PWM signal.Function: Stepless speed ... control, CW or CCW rotation; start and stop; speed feedback, ... No noise, hall-free, power,etc. power,etc. 230V AC three phase electronically commutated ec fan motor driver controller