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MITSUBISHI Servo Drive
Brand: MITSUBISHI -
Cat: Power Supply
Code:MDS-D2-CV-370
| Combination name | Availability | Price |
|---|---|---|
Servo Drive Converter Power Supply – MITSUBISHI MDS-D2-CV-370
The MDS-D2-CV-370 is a regenerative servo drive converter unit (“Servo Drive Converter Unit”) manufactured by Mitsubishi Electric, part of the MDS-D2 series of servo drives for CNC machine tools. The module converts three-phase AC mains into a DC bus to power servo drive modules of the same family (MDS-D2-SP, MDS-D2-V1, MDS-D2-V2), and is documented as a component of Mitsubishi CNC systems series M700, M70 and M800. The suffix “370” denotes a rated power of approximately 37 kW; the unit incorporates regenerative braking circuitry that returns deceleration energy to the AC mains supply, communicating with the CNC via SSCNET III/H interface.
The converter/power supply is the core of the CNC axis energy distribution system: it provides a stabilised DC bus to all connected servo drive modules and manages the regenerative energy produced during rapid axis decelerations, preventing DC bus overvoltage and thermal overload conditions. A failure in this module causes an immediate stop of all controlled axes and the spindle, rendering the machine completely inoperable until the unit is replaced or repaired.
Mitsubishi Electric is one of the world’s leading manufacturers of CNC systems and servo drives for machine tools, headquartered in Tokyo (Japan) and operating globally through its Mitsubishi Electric FA division. The MDS-D2 series has been superseded by the MDS-EJ/EX series; products in this family are now legacy / discontinued and available primarily as used, surplus, or through specialist repair services.
Main Technical Specifications
| Type | Regenerative servo drive converter / power supply unit (Servo Drive Converter Unit) |
| Part number | MDS-D2-CV-370 (MDSD2CV370) |
| Brand | Mitsubishi Electric |
| Known application | Mitsubishi CNC systems series M700, M70, M800 with MDS-D2 servo drives |
| Function | AC→DC bus conversion for servo drives; regenerative braking energy management |
| Rated power | ~37 kW |
| Input voltage | 3-phase 200–230 V AC, 50/60 Hz (typical MDS-D2 series) |
| DC bus output voltage | ~300 V DC (intermediate bus for servo drives) |
| Interfaces | DC bus connectors, AC terminal strip, SSCNET III/H interface (CNC communication) |
| Regeneration | Yes — braking energy returned to AC mains |
| Weight | ~10–20 kg |
| Dimensions | ~300–500 mm H × 200–350 mm W |
| Production status | Legacy / discontinued — used/surplus/repair only |
