Mitsubishi MDS-D-SPJ3-075 Spindle Drive Unit for MDS-D-SPJ3 Series

The Mitsubishi MDS-D-SPJ3-075 (MDS-D-SPJ3-075) is a high-performance AC spindle drive unit engineered for integration into machine tool automation and CNC machinery within the MDS-D-SPJ3 series. This compact drive unit delivers accurate velocity and torque regulation to drive spindle motors in various industrial milling, turning, and cutting operations. Designed to optimize spindle motor responsiveness and dynamic performance, the unit plays a central role in maintaining precise machining tolerances and smooth rotational speed throughout demanding manufacturing cycles. Operating on a three-phase AC supply voltage of 200 to 230 V AC (200 V class, 220 V or 230 V AC), the MDS-D-SPJ3-075 delivers a rated output of 0.75 kW (750 W) with a rated current of 4.5 A. Built to meet industrial operating conditions, it features an IP20 protection rating to shield internal circuitry from solid contaminants and is rated for operation across an ambient temperature range of 0 to +55 degrees Celsius. The drive unit ensures dependable thermal dissipation and consistent control reliability when mounted within standard industrial control enclosures.