Dia. 48mm Brushless DC Motor Both external controller and integrated electronics are optional. Key Specifications/ ... : 1,000, 4,000, 4,300 and 22,000rpmRated power: 12, 18, 47 and 280WRated speed: 800, 3,000, 3,400 and ... 18,000rpmRated current: 1.3, 1.6, 2.8 and 3. ... , 0.13, 0.14 and 0.15Nm 48mm Brushless DC Motor