Mitsubishi MDS-EJ-SP-40 Spindle Drive Unit for MDS-EJ Series

The Mitsubishi MDS-EJ-SP-40 (MDS-EJ-SP-40) is a high-performance AC spindle drive unit engineered for integration within Mitsubishi MDS-EJ series CNC drive systems. Functioning as a dedicated drive controller for machine tool spindle motors, the unit regulates speed, acceleration, and torque during precision cutting, milling, and turning operations. This compact spindle drive operates with a three-phase power supply rated at 200 to 230 V AC (200 V class) and provides a rated current output of 10 A. Built for industrial environments, the module features an IP20 degree of protection and is rated to operate reliably within an ambient temperature range of 0 to +55 degrees Celsius. It delivers stable motor velocity control and rapid response times required for heavy-duty manufacturing tasks. Typical applications include CNC lathes, machining centers, and automated production machinery utilizing Mitsubishi Electric motion control architectures.