Description
The Mitsubishi MDS-E-SP-40 is a 1-axis spindle drive unit from Mitsubishi Electric’s MDS-E CNC drive series, designed to control Mitsubishi SJ-series AC spindle motors in CNC machine tools.
It is a spindle amplifier/drive, not a motor.
Key Specifications (MDS-E-SP-40)
| Specification | Value |
|---|---|
| Series | MDS-E Series |
| Type | 1-axis spindle drive unit |
| Nominal Maximum Current | 40 A (peak) |
| Rated Input Voltage | 270–324 V DC |
| Rated Input Current | 13 A |
| Control Power Supply | 200–240 V AC |
| Frequency | 50/60 Hz |
| Control Method | Sine wave PWM control |
| Cooling Method | Forced air cooling |
| Protection Rating | IP20 (excluding terminal block) |
| Machine Encoder Support | Compatible |
| Weight | ~3.8 kg |
| Typical Application | CNC spindle motor control |
Features
- Designed for Mitsubishi SJ-series spindle motors
- Smooth spindle speed regulation using PWM control
- Compact 1-axis CNC spindle amplifier
- Stable torque and speed performance for machining accuracy
- Supports encoder feedback for precise spindle control
- Forced-air cooling for continuous industrial operation
Compatible Applications
- CNC milling machine spindle systems
- CNC turning centers (lathe spindle control)
- Metal cutting and machining equipment
- Industrial CNC automation systems
Compatible Motor Examples
The MDS-E-SP-40 is commonly paired with smaller Mitsubishi spindle motors such as:
- SJ-4-V2.2 series
- SJ-4-V3.7 series
- SJ-4-V5.5 series
Compatibility depends on spindle motor current and machine configuration.