Mitsubishi MDS-D-SPJ3-110 Spindle Drive Unit for CNC Systems

The Mitsubishi MDS-D-SPJ3-110 (MDS-D-SPJ3-110) is a dedicated AC spindle drive unit designed for use with Mitsubishi MDS-D-SPJ3 series CNC machine tool drive systems. This unit provides high-precision velocity and torque regulation for industrial CNC spindle motors, ensuring stable machining performance across high-speed cutting and heavy-duty milling operations. Operating on a three-phase AC input supply voltage of 200 V to 230 V AC at 50/60 Hz, the drive delivers a rated output capacity of 11 kW and a continuous rated current of 36 A. Engineered for demanding factory automation environments, the unit is rated to operate reliably within an ambient temperature range of 0 to +55 degrees Celsius. It serves as an essential component in CNC machining centers, lathes, and milling equipment, synchronizing spindle motor rotation with motion controls to achieve superior machining accuracy. The solid-state construction facilitates integration within electrical control cabinets, maintaining dependable power conversion and motor protection during continuous production cycles.