... Brushless DC Motor controllor: EBLD53D-driver for external rotor brushless dc motorSupply Voltage: 12~75VDCMax power: 30WSpeed control: 100% ... such as Supply voltage range, No noise, hall-free, power,etc.Applications: External rotor motor, centrifugal fan, centrifugal blower ... as Supply voltage range, No noise, hall-free, power,etc. power,etc.Applications of External Rotor Brushless DC Motor controllor ...