Mitsubishi MDS-D-SPJ3-75 Spindle Drive Unit for CNC Machines

The Mitsubishi MDS-D-SPJ3-75 (MDS-D-SPJ3-75) is a high-performance AC spindle drive unit designed for CNC machine tools and industrial automation systems. Operating as part of the Mitsubishi MDS-D-SPJ3 series, this unit provides precise speed and torque regulation for machine spindle motors, ensuring stable cutting and machining performance across demanding industrial applications. Engineered for 200 V class installations, the drive operates with a three-phase AC input supply voltage of 200 to 230 V AC. It delivers a rated power output of 7.5 kW (7,500 W) with a rated current capacity of 26 A. The unit is engineered to perform reliably within an ambient operating temperature range from 0 to +55 degrees Celsius. Fully compatible with Mitsubishi CNC architectures, the MDS-D-SPJ3-75 delivers dynamic spindle motor control, robust thermal dissipation, and consistent precision in high-speed machining centers, milling machines, and turning centers.