12V and 24V Brushless DC Motor Both external controller and integrated electronics are optional. ... and 45WRated speed: 3,400, 4,000 and 8,000rpmRated current: 0,37A (AC), 1.8, 2.8ARated torque: 0.042, 0.067 ... the motor with external controllerCustomized motor requirements are welcome 42mm Brushless DC Motor