Mitsubishi M80 Spindle Drive 400V MDS-E-SP-320

The Mitsubishi MDS-E-SP-320 is a high-capacity 1-axis CNC spindle drive unit from Mitsubishi Electric’s MDS-E series, designed for controlling large Mitsubishi SJ-series AC spindle motors in heavy-duty CNC machining systems.

It is a spindle amplifier/drive, not a motor.

Key Specifications (MDS-E-SP-320)

These specifications are listed in Mitsubishi Electric MDS-E Series CNC drive catalogs and specification manuals.

Features

• Designed for Mitsubishi SJ-series spindle motors
• High-capacity spindle control for heavy machining loads
• Stable torque and spindle speed regulation
• Supports spindle orientation and rigid tapping functions
• High-response acceleration/deceleration control
• Compact modular CNC cabinet design
• Forced-air cooling for continuous-duty industrial operation

Typical Applications

• Large CNC machining centers
• Heavy-duty milling machines
• CNC turning and boring machines
• Metal cutting and forming systems
• Industrial CNC automation equipment
• High-load spindle applications

Compatible Motor Examples

The MDS-E-SP-320 is commonly paired with high-power Mitsubishi spindle motors such as:

• SJ-4-V22 series
• SJ-4-V26 series
• SJ-4-V37 series
• SJ-4-V45 series
• SJ-4-V55 series

Motor compatibility depends on spindle load, acceleration requirements, and machine configuration.