Mitsubishi MDS-EJ-SP-120 Spindle Drive Unit for MDS-EJ Series

The Mitsubishi MDS-EJ-SP-120 (MDS-EJ-SP-120) is a dedicated spindle drive unit engineered for high-performance CNC machine tool applications utilizing the MDS-EJ drive series. This drive operates on a three-phase alternating current input rated for 200 to 230 V AC at 200 V class power systems. Designed to deliver stable velocity and torque control to CNC spindle motors, it features a rated current capacity of 26 A, supporting demanding machining tasks such as milling, drilling, turning, and grinding. The unit is rated to operate in ambient industrial environments with temperatures ranging from 0 to +55 degrees Celsius. Built for seamless integration within Mitsubishi CNC automation architectures, the MDS-EJ-SP-120 provides precise spindle speed regulation and rapid acceleration and deceleration capabilities. Its compact design facilitates straightforward installation, maintenance, and replacement in electrical control cabinets. By maintaining consistent rotational accuracy and energy-efficient motor management, this drive unit plays a crucial role in preventing downtime and ensuring operational reliability across diverse production environments and metal cutting machinery.