... and competitive priceTechnical features of External Rotor Brushless DC Motor controllor: EBLD53D-driver for external rotor brushless dc motorSupply Voltage: 12~ ... .Applications of External Rotor Brushless DC Motor controllor:External rotor brushless dc motor, EC motor, energy saving motor, DC and EC Centrifugal fan, ... Gas blower, etc. High efficiency EC fan 24V brushless DC motor driver controllor