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Switching Power Supply – EFORE SR 92A530
The SR 92A530 is an industrial switching power supply (“Switching Power Supply”) manufactured by EFORE, documented as a component of ABB Robotics industrial robot control cabinets. The unit supplies regulated DC voltages to the robot controller’s electronic boards, ensuring stable power for CPU cards, I/O modules, and servo drives. The part number SR 92A530 identifies this unit within the EFORE OEM power supply family for ABB; later hardware revisions with minor circuit variants may exist.
The power supply is the energy core of the robot control cabinet: it converts mains AC voltage into stabilised and filtered DC voltages, essential for the reliable operation of all onboard electronics. A failure of this unit causes immediate robot shutdown — no axis moves, the system loses its state variables and the production line stops. The quality of the output voltages directly affects the stability of the servo drives and the service life of the downstream electronic boards.
EFORE is a Finnish manufacturer of industrial switching power supplies, specialised in OEM supply for critical sectors including robotics, industrial automation, telecommunications and medical equipment. The company has operated as a long-standing strategic power supply vendor for ABB Robotics control systems. Products in the SR series for previous-generation ABB controllers are considered legacy / discontinued: available only as used, surplus or through specialist repair.
Main Technical Specifications
| Type | Industrial switching power supply (Switching Power Supply) |
| Part number | SR 92A530 (SR92A530) |
| Brand | EFORE (OEM supplier for ABB Robotics) |
| Known application | ABB Robotics industrial robot control cabinets |
| Function | DC voltage conversion and regulation for robot control electronics |
| Input voltage | ~100–240 V AC, 50/60 Hz |
| Output voltages | Multiple regulated DC outputs – e.g. +24 V, +5 V, ±15 V |
| Total power | ~50–150 W |
| Interfaces / connectors | Dedicated ABB connectors and terminal strip for internal cabinet voltage distribution |
| Weight | ~0.5–1.5 kg |
| Dimensions | ~150–250 mm |
| Production status | Legacy / discontinued — used/surplus/repair only |