... EC motor controller driver: Supply Voltage: 115V, 230V, 380VACMax power: 60WSpeed control: 100% controllable by 0-10V and PWM ... to customer demands, such as Supply voltage range, No noise, hall-free, power,etc.Applications: External rotor motor, centrifugal fan, ... , such as Supply voltage range, No noise, hall-free, power,etc. power,etc. 230V AC three phase electronically commutated ec fan motor driver ...