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SHINDENGEN Power Supply
Brand: SHINDENGEN -
Code:MYG250/51
| Combination name | Availability | Price |
|---|---|---|
CNC Switching Power Supply – SHINDENGEN MYG250/51
The MYG250/51 is an industrial switching power supply unit (“Switching Power Supply Unit”) manufactured by Shindengen, belonging to the MYG series designed for CNC control systems and industrial automation. The module provides regulated and stabilised DC voltages to the machine tool control cabinet, interfacing with logic boards, I/O modules, and operator panels. The designation MYG250/51 (internal code MYG25051) identifies the variant with a specific output configuration and power class. It is not a motor drive or axis module: it is exclusively an auxiliary power supply unit for the control electronics.
The power supply is the component that converts mains AC voltage into the regulated DC voltages required by the CNC control electronics: typically +5 V for digital logic, ±15 V for analogue circuits, and +24 V for I/O. A power supply failure immediately puts the CNC out of service: none of the control boards can operate without their supply voltages, causing an immediate and complete machine stoppage.
Shindengen Electric Manufacturing Co., Ltd. is a Japanese manufacturer founded in 1949, specialised in power converters, rectifiers, switching power supplies, and semiconductor devices for industrial applications. The company supplies power modules to major CNC machine builders and automation system integrators worldwide. Products in this generation of the MYG series are legacy / discontinued: available only as used stock, surplus, or through specialist repair.
Main Technical Specifications
| Type | Industrial switching power supply (Switching Power Supply Unit) |
| Part number | MYG250/51 (MYG25051) |
| Brand | Shindengen Electric Manufacturing Co., Ltd. |
| Known application | CNC control cabinets and industrial automation systems (specific machine: verify on physical unit label) |
| Function | Conversion and stabilisation of DC voltages for CNC control electronics |
| Input voltage | 200–240 V AC single phase, 50/60 Hz |
| Output voltages | +5 V DC / ±15 V DC / +24 V DC |
| Rated power | ~100–250 W |
| Technology | Switching (high-frequency conversion) |
| Interfaces / connectors | Screw terminal blocks and/or edge connectors for AC input and DC outputs (verify on physical unit) |
| Weight | ~0.5–1.5 kg |
| Dimensions | ~150–250 mm × 100–180 mm |
| Production status | Legacy / discontinued — used/surplus/repair only |
