... in 24V,48V, 56V DC input and 110V,230V,380V AC input.The functions include PFC (passive), control input 0-10 ... Supply voltage range, No noise, hall-free, power,etc.Applications: External rotor motor, centrifugal fan, centrifugal blower, axial fan in HVAC,Tele-communication ... rotor brushless dc motor, EC motor, energy saving motor,etc. Low noise 48V BLDC Fan motor driver or controller with tach output