... motor withelectronically commutated, it be used for EC centrifugal fan and axial fan with 0-10V/PWM signal control, tache output, ... hall-free, power,etc.Applications: External rotor motor, centrifugal fan, centrifugal blower, axial fan in HVAC,Tele-communication, refrigeration, clean room, IT industry ... No noise, hall-free, power,etc. power,etc. 115V single phase BLDC fan motor driver or controller