Mitsubishi MR-J3BRKS1-79-20M Spindle Motor for SJ-V Series

The Mitsubishi MR-J3BRKS1-79-20M (MR-J3BRKS1-79-20M) is an AC spindle motor designed for use with Mitsubishi Electric SJ-V series industrial drive systems. Engineered for precision machine tool and spindle drive applications, this motor provides reliable rotational drive and accurate speed feedback through its integrated type 2 absolute feedback encoder. It features a straight shaft construction and is built with a standard 130 by 130 millimeter flange mounting configuration for secure mechanical integration. The motor operates on a 200 V AC supply voltage class and delivers a rated output of 750 W (0.75 kW). It produces a rated torque of 2.55 Nm at a rated rotational speed of 1,500 rpm, ensuring consistent torque delivery across its specified operating envelope. Designed for dependable operation in industrial automation environments, it is rated for ambient operating temperatures ranging from 0 to +40 degrees Celsius. This spindle motor provides precision control and positioning in automated machinery and machine tool spindles.