Description
The Mitsubishi MDS-E-CV-450 is a high-capacity CNC converter / power supply 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 power supply module of the CNC drive system.
Key Specifications (MDS-E-CV-450)
| Specification | Value |
|---|---|
| Series | MDS-E Series |
| Type | Power Supply / Converter Unit |
| System Role | DC link supply for spindle + servo drives |
| Rated Capacity | 45 kW class |
| Approx. Output Power | ~37 kW continuous system capacity |
| Input Voltage | 3-phase 200–230 V AC |
| Input Current | ~99 A |
| Output DC Voltage | ~513–648 V DC (system dependent) |
| Output Current | ~99 A |
| Cooling Method | Forced air cooling |
| Protection Rating | IP20 (cabinet type) |
| System Compatibility | MDS-E spindle (SP/SP2) + servo drive systems |
📌 Sources indicate MDS-D/E CV-450 class units are used as ~45 kW DC power supplies delivering high-current DC bus for CNC spindle and servo systems in Mitsubishi MELDAS architectures.
What it does (simple explanation)
The MDS-E-CV-450 converts incoming AC power into a stable high-voltage DC bus (~300V–600V range depending on system design), which is then distributed to:
- spindle drives (SP / SP2 series)
- servo amplifiers
So it acts as the main electrical backbone of a large CNC drive cabinet.
Features
- High-capacity DC power generation for CNC systems
- Supports multiple high-power spindle + servo modules
- Stable voltage regulation under heavy machining loads
- Regenerative energy handling (absorbs braking energy)
- Forced-air cooling for continuous industrial operation
- Built for Mitsubishi MELDAS CNC systems
Typical Applications
- Large CNC machining centers
- Heavy-duty milling machines
- CNC turning and boring machines
- Multi-axis industrial automation systems
- High-power CNC production lines