... Fan Motor speed controller: Supply Voltage: 12~75VDCMax power: 200WSpeed control: 100% controllable by 0-10V and ... as Supply voltage range, No noise, hall-free, power,etc.Applications: External rotor motor, centrifugal fan, centrifugal ... Supply voltage range, No noise, hall-free, power,etc. power,etc.Applications of Brushless DC Fan Motor speed ... 48V BLDC Fan motor driver or controller with tach output