Thông số kỹ thuật servo motor Allen bradley: The MPL-B4520P-RK22AA servo motor is an Allen-Bradley MPL series servo motor with a brushless rotor and low inertia. The motor has a rated operating speed of 5000 RPM. It has 460 Volts-rated windings, a 130-millimeter frame size, and a 2-inch magnet stack length. It comes with a resolver-type encoder and it has circular bayonet-style feedback and power connectors. This servo motor does not include a holding brake.