The MPL-B1520U-HJ72AA is a discontinued Kinetix series low inertia servo motor with 400V voltage rating, 63mm frame size, and 50.8mm magnet stack length. It features a maximum speed of 7000 RPM, 2000 lines/revolution incremental encoder, shaft key design, and circular (Speedtec) DIN connector. This unit comes without shaft seal or brake. While the original manufacturer warranty doesn't apply, it includes Beyondtech's warranty.