Liebert Emerson 02-790831-10 REV.C Interface Circuit Board

The Liebert / Emerson 02-790831-10 Rev. C Interface Circuit Board is a control and signal interface PCB used in Liebert UPS and power management systems. It functions as a communication bridge between analog power modules and digital control or monitoring systems. Manufacturer: Emerson Network Power (Liebert brand) Model / Part No.: 02-790831-10 Rev. C Type: Interface and Control Board Function: Conditions, isolates, and routes control signals between system components (e.g., rectifier, inverter, and monitoring controller) Inputs/Outputs: • Multiple analog and digital I/O channels • Relay outputs (4 yellow relays visible) for alarm or control functions • Optically isolated control signal inputs • Green pluggable terminal connectors for power and signal I/O Input Power: 24 VDC regulated (control logic supply) Communication: TTL/logic level or RS-type signal interface to system backplane Key Components: • Precision operational amplifiers for signal scaling • Optocouplers for electrical isolation • Relays for contact closure and system control • Test points and labeled components for service diagnostics Protection: Surge suppression and fuse protection on input channels Indicators: LED status indicators for power and relay activation PCB Construction: FR-4 epoxy laminate, 94V-0 flammability rated Dimensions: Approx. 12 in × 5 in (305 × 125 mm) Mounting: Vertical or horizontal rack/chassis mount via standoffs Applications: • Liebert UPS interface and control system • Signal conditioning and relay control interface • Power module feedback and alarm interface • Industrial power conditioning and distribution systems Country of Origin: USA Please review pictures carefully and let us know if you have any questions!