Description
The Mitsubishi MDS-E-CV-75 is a high-capacity CNC power supply / converter unit from Mitsubishi Electric’s MDS-E series, used as the main DC power source for spindle and servo drive modules in large CNC machine tools.
It is not a motor or drive amplifier, but the central DC bus generator for the entire CNC drive system.
Key Specifications (MDS-E-CV-75)
| Specification | Value |
|---|---|
| Series | MDS-E Series |
| Type | Power Supply / Converter Unit |
| System Role | Main DC link power supply for CNC drives |
| Rated Capacity | 7.5 kW class converter |
| Input Voltage | 3-phase 200–230 V AC |
| Input Frequency | 50/60 Hz |
| Output Voltage | ~270–311 V DC |
| Rated Input Current | ~32 A |
| Cooling Method | Forced air cooling |
| Protection | IP20 (cabinet type) |
| Weight | ~8–10 kg (varies by revision) |
| System Compatibility | MDS-E spindle (SP/SP2) and servo drive system |
📌 The CV unit in the MDS-E system is responsible for converting AC mains power into a stable DC bus that feeds all spindle and servo amplifiers. This architecture is standard in Mitsubishi MELDAS CNC systems.
Features
- Provides stable DC bus power (~300V DC) to all CNC drives
- Central power backbone for spindle + servo system
- High-efficiency AC → DC conversion
- Integrated protection (overcurrent, overvoltage, thermal)
- Forced-air cooling for continuous industrial operation
- Designed for Mitsubishi MELDAS CNC control systems
Role in CNC System
In a full MDS-E setup:
AC Input → MDS-E-CV-75 → DC Bus → SP / SP2 spindle drives + servo amplifiers
So it acts as the heart of the drive cabinet power distribution system.
Typical Applications
- CNC machining centers
- CNC turning centers
- Multi-axis industrial machine tools
- Full Mitsubishi MELDAS drive systems
- Heavy-duty automated production machines