Dia. 52mm Brushless DC Motor Both external controller and integrated electronics are optional. Key Specifications/ ... 80mmVoltage: 220V AC (310V DC), 24V and 24VPhase: 4P/3 phase, 4P/3 phase and 4P/3 phaseNo-loading speed: 4,600, 3,500 and 4,400rpmRated ... 3,900rpmRated current: 1.2A, (AC) 5.1A and 6.2ARated torque: 0.26, 0.31 and 0.27Nm 52mm Brushless DC Motor ...