Mitsubishi MDS-EH-SP-80 Spindle Drive Unit for MDS-EH Series

The Mitsubishi MDS-EH-SP-80 (MDS-EH-SP-80) is a high-performance spindle drive unit designed for use in machine tool systems as part of the Mitsubishi MDS-EH series. Engineered to provide precise spindle motor speed and torque regulation, this unit ensures reliable operation during demanding machining processes. The drive operates with a rated current of 27 A and supports a 400 V class AC supply voltage range of 380 V to 480 V AC, including 400 V, 415 V, and 440 V AC nominal levels, via three-phase input or an alternative direct-current bus input of 513 V to 648 V DC. Built with an IP20 degree of protection, the spindle unit is designed for cabinet mounting within clean enclosure environments and is rated for continuous operation across an ambient operating temperature range of 0 to +55 degrees Celsius. Typical applications include CNC machine tools, milling centers, lathes, and high-speed machining equipment that utilize MDS-EH drive architectures. With robust electrical characteristics and dependable motion performance, the MDS-EH-SP-80 delivers stable spindle control for legacy and contemporary machinery maintenance.