Thông số kỹ thuật servo motor Allen bradley: The Allen-Bradley MPF-B540K-MJ22AA Rotary Servo Motor is a heavy-duty piece of equipment that has been designed to provide both durability and high quality, consistent operation. It is part of the MPF Servo Motors series. It uses a 460 Volts AC, 3-phase, pulse width modulated voltage from a central servo controller to accurately vary its speed of rotation and control the position of the shaft even by small amounts.