Description
MDS-EH-CV-450 is a Mitsubishi Electric MDS-EH series AC converter / power supply unit used in CNC servo and spindle drive systems for industrial automation and machine tools.
Description
- Manufacturer: Mitsubishi Electric
- Series: MDS-EH Series
- Model: MDS-EH-CV-450
- Type: AC Converter / Servo-Spindle Power Supply Unit
- Application: CNC machining centers, lathes, milling machines, industrial automation systems
- Voltage Class: 400V class
Main Functions
- Converts 3-phase AC input into DC bus power
- Supplies DC power to Mitsubishi servo and spindle amplifier modules
- Supports regenerative braking operation
- Designed for MELDAS CNC systems
- Compact cabinet-mount industrial drive architecture
Typical Specifications
- Rated Output Capacity: 45 kW
- Continuous Power: Approx. 37 kW
- Input Voltage: 380–440 VAC, 3-phase
- Output Voltage: 513–648 VDC
- Output Current: Up to 99 A
- Input Current: Approx. 85 A
- Cooling: Forced air / forced wind cooling
- Protection Class: IP20 typical
Common Connections
- R/L1, S/L2, T/L3 → 3-phase AC input
- P / N or L+ / L− → DC output bus
- Control power terminals
- Emergency stop interface
- CN communication connectors for servo/spindle systems
Features
- High-efficiency power conversion
- Stable DC supply for CNC spindle/servo drives
- Compact integrated converter design
- High reliability for continuous industrial operation
- Compatible with Mitsubishi MDS servo/spindle amplifier systems
Common Alarm Examples
- AL.E6 → Emergency stop circuit issue
- AL.16 / AL.20 → Encoder fault
- AL.30 → Regenerative braking abnormality
- AL.50 / AL.51 → Overload condition
- AL.E9 → Main circuit disconnected

