Mitsubishi M80 Power Supply MDS-EH-CV-300

MDS-EH-CV-300 is a Mitsubishi Electric MDS-EH series AC converter / power supply unit used in CNC servo and spindle drive systems for industrial machine tools.

Description

• Manufacturer: Mitsubishi Electric
• Series: MDS-EH Series
• Model: MDS-EH-CV-300
• Type: AC Converter / Servo-Spindle Power Supply Unit
• Application: CNC machining centers, lathes, milling machines, automated production systems
• Voltage Class: 200V / 400V class depending on system configuration

Main Functions

• Converts 3-phase AC input into high-voltage 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: 30 kW class
• Continuous Power: Approx. 26 kW
• Input Voltage:
  • 380–480 VAC, 3-phase (400V class versions)
  • Some EH variants support 200–240 VAC configurations
• Output Voltage: Approx. DC 500–600V (or DC 513–648V depending on version)
• Output Current: Up to 72 A
• Cooling: Forced air / fan cooling
• Protection Class: IP20 typical

Common Connections

• R/L1, S/L2, T/L3 → 3-phase AC input
• P / N or L+ / L− → DC bus output
• Control power supply terminals
• Emergency stop interface
• CN communication connectors for servo/spindle systems

Features

• High-efficiency regenerative power system
• Reduced heat generation
• Compact integrated converter design
• High reliability for continuous CNC operation
• Compatible with Mitsubishi servo/spindle amplifier systems