Mitsubishi MDS-CH-SPH-185 is a High-Voltage AC Spindle Drive Unit designed for Mitsubishi MELDAS CNC systems. The amplifier belongs to the MDS-CH 400V series and is engineered to control high-speed AC spindle motors used in CNC machine tools. It provides precise spindle speed and torque regulation, supports high-speed machining applications, and integrates with Mitsubishi MDS-CH power supply modules. The unit is commonly specified for spindle motors in the 18.5 kW class, with a rated spindle output current of approximately 63 A. [stock available]