Description
The Mitsubishi MDS-E-CV-185 is a high-capacity CNC power supply / converter unit from Mitsubishi Electric’s MDS-E series, used as the main DC bus power source for spindle and servo drive modules in CNC machine tools.
It is not a motor or spindle drive, but the central converter that feeds the entire CNC drive system.
Key Specifications (MDS-E-CV-185)
| Specification | Value |
|---|---|
| Series | MDS-E Series |
| Type | Power Supply / Converter Unit |
| System Role | Main DC link supply for spindle + servo drives |
| Rated Capacity | 18.5 kW class |
| Power Supply Capacity Base Value | ~27 kVA |
| Input Voltage | 3-phase 200–230 V AC |
| Input Current | ~66 A |
| Output DC Voltage | ~270–311 V DC |
| Control Power | 200–240 V AC |
| Frequency | 50/60 Hz |
| Cooling Method | Forced air cooling |
| Protection Rating | IP20 (cabinet type) |
| System Compatibility | MDS-E spindle (SP/SP2) + servo amplifiers |
📌 Source: Mitsubishi Electric CNC drive selection/specification manuals list MDS-E-CV-185 as an 18.5 kW class converter with ~27 kVA power supply capacity in the MDS-E system.
What it does (simple explanation)
The MDS-E-CV-185 converts incoming AC power into a stable ~300V DC bus, which then feeds:
- Spindle drives (SP / SP2 series)
- Servo amplifiers
So it is the main electrical backbone of the CNC cabinet.
Features
- Central DC power generation unit for CNC drive systems
- Stable DC bus for multiple axes and spindle drives
- Handles regenerative energy from braking operations
- Built-in protection (overcurrent, overvoltage, thermal monitoring)
- Forced-air cooling for continuous industrial operation
- Designed for Mitsubishi MELDAS CNC systems
Typical Applications
- CNC machining centers
- CNC turning centers
- Multi-axis CNC systems
- Heavy industrial automation machines
- Full Mitsubishi MDS drive cabinet systems