Mitsubishi MDS-EH-SP-320 Spindle Drive Unit for MDS-EH Series

The Mitsubishi MDS-EH-SP-320 is a high-performance spindle drive unit engineered for industrial CNC machine tools within the Mitsubishi MDS-EH series. Serving as a dedicated controller for machine tool spindles, the unit delivers precise speed regulation, rapid acceleration, and high dynamic rigidity during heavy cutting, milling, and turning operations. It is commonly deployed in computerized machining centers, production lathes, and automated metal-cutting systems driven by Mitsubishi CNC controllers. This 400 V class spindle drive features a rated output current of 125 A. It is compatible with three-phase input supplies from 380 V to 480 V AC (including 400 V, 415 V, and 440 V AC nominal levels) as well as direct bus supply voltages from 513 V to 648 V DC. Built with an IP20 protection degree, the unit is rated for continuous operation in ambient factory temperatures ranging from 0 to +55 degrees Celsius. The MDS-EH-SP-320 ensures dependable spindle synchronization, thermal stability, and smooth torque delivery across diverse manufacturing applications.