Thông số kỹ thuật servo motor Allen bradley: The Allen-Bradley/Rockwell MPL-B4540F-RK24AA MPL series low inertia servo motor comes with a frame size of 130 millimeters. It can provide a torque rating that is 40 percent higher than the torque delivered by traditional servo motors. This servo motor operates with a voltage rating of 400 Volts AC and a 24 Volts DC holding brake.