Description
The Mitsubishi MDS-EH-SP-100 is a high-capacity CNC spindle drive unit (AC spindle amplifier) from the MDS-EH series, designed for controlling high-power spindle motors in CNC machine tools.
š§ Description
- Product type: CNC spindle drive / spindle amplifier
- Series: MDS-EH
- Model: MDS-EH-SP-100
- Manufacturer: Mitsubishi Electric
- Function: Controls spindle motor speed, torque, orientation, and rigid tapping functions
- Application: CNC machining centers, lathes, milling machines, and heavy-duty production systems
- Control method: Sine-wave PWM vector spindle control
- Cooling: Forced-air cooling
- Protection rating: IP20 (excluding terminal terminals)
āļø Main Specifications
- Drive type: 1-axis spindle amplifier
- Nominal maximum current: 100A
- Rated output current: 43A
- Input voltage:
- 513ā648V DC bus
- Control power: 380ā480V AC, 50/60Hz
- Rated output voltage: 323VAC
- Input current rating: 38A
- Heat radiation at rated output: 442W
- Cooling method: Forced-air cooling
- Weight: Approx. 5.8ā7.5 kg depending on source/configuration
š Typical Applications
- CNC turning centers
- Vertical machining centers (VMC)
- Heavy milling machines
- High-speed spindle systems
- Production machining lines requiring high spindle torque
š Main Features
- High-speed vector spindle control
- Rigid tapping and spindle orientation support
- Constant torque and constant power operation
- Compatible with Mitsubishi CNC systems (M70/M700/M800 series)
- Supports induction and permanent magnet spindle motors
- Integrated diagnostics and CNC optical communication
š Position in the SP Series
- SP-20 ā light spindle systems
- SP-40 ā medium spindle systems
- SP-80 ā high-power spindle systems
- SP-100 ā heavy-duty industrial spindle systems
- SP-160 / SP-200 ā ultra-heavy spindle applications
ā ļø Important Notes
- SP series drives are for spindle motors only (not feed-axis servo motion)
- Requires Mitsubishi CNC controller integration
- Must be paired with compatible spindle motors and encoder systems
- Designed for cabinet-mounted industrial use only

