Mitsubishi MDS-EJ-SP-100 Spindle Drive Unit for CNC Machinery

The Mitsubishi MDS-EJ-SP-100 (MDS-EJ-SP-100) is a high-performance spindle drive unit belonging to the Mitsubishi MDS-EJ series, designed for industrial CNC machine tools and automation systems. Engineered to deliver precise velocity and torque control for machine tool spindles, this compact drive unit operates on a three-phase 200 V to 230 V AC input supply (200 V class, 220/230 V AC) and provides a rated output current of 18 A. It is built to ensure reliable operation within an ambient temperature range of 0 °C to +55 °C in industrial operating environments. The MDS-EJ-SP-100 spindle drive integrates seamlessly into Mitsubishi CNC architectures, supporting demanding metal cutting, milling, turning, and high-speed machining processes. With its robust construction and dedicated spindle motor control capabilities, the unit helps maintain optimal machining accuracy, reduced cycle times, and stable continuous operation across a variety of manufacturing and production line applications.