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MITSUBISHI Power Supply
Brand: MITSUBISHI -
Cat: Power Supply
Code:PD14-A
| Combination name | Availability | Price |
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CNC Power Supply Unit – MITSUBISHI PD14-A
The PD14-A is a switching power supply for CNC systems (“CNC Power Supply Unit”) manufactured by Mitsubishi Electric, documented as the power supply module for MELDAS M5xx/M6xx series CNC controllers. It provides the regulated DC voltages required by the CNC rack logic circuits: CPU boards, I/O modules, and axis interfaces. Available under the designation PD14-A; some variants may differ in current rating or hardware revision.
The power supply is the energy backbone of the CNC system: it converts AC mains voltage into multiple regulated DC outputs that power the CPU board, I/O modules, servo drive interfaces, and auxiliary circuits. A power supply failure causes immediate and complete shutdown of the numerical control, rendering the machine inoperable; the quality and stability of its outputs directly affect the reliability of the entire system.
Mitsubishi Electric is a leading Japanese manufacturer of industrial automation systems, including the MELDAS CNC line (now evolved into the M800/M80 series). Products in the PD14 family are legacy / discontinued: no longer available as new, obtainable only as used, surplus, or through specialist repair services.
Main Technical Specifications
| Type | CNC switching power supply (CNC Power Supply Unit) |
| Part number | PD14-A (PD14A) |
| Brand | Mitsubishi Electric |
| Known application | Mitsubishi MELDAS M5xx/M6xx CNC systems |
| Function | Regulated DC power supply for CNC control rack |
| Input voltage | AC 200 V ±10%, 50/60 Hz (single-phase, typical) |
| DC outputs | +5 V, ±15 V, +24 V (typical; plus auxiliary outputs) |
| Protection features | Over-voltage, over-current, short-circuit (typical) |
| Interfaces/connectors | Rack edge connectors / internal terminal strips |
| Weight | ~1.5–3.0 kg |
| Dimensions | ~250–350 mm |
| Production status | Legacy / discontinued — used/surplus/repair only |
