Emerson 02-790843-016 Power Supply Assembly

The Emerson 02-790843-016 Power Supply Assembly is an industrial-grade DC power conversion and regulation board used in Liebert UPS and power conditioning systems. It provides multiple isolated DC voltage outputs for control logic, gate drive, and monitoring subsystems. Manufacturer: Emerson Network Power (Liebert brand) Model / Part No.: 02-790843-016 Type: Regulated Power Supply Board Function: Converts incoming AC/DC power into multiple regulated DC outputs for system control and monitoring electronics Input Voltage: 85–265 VAC or 120/240 VAC (auto-ranging, depending on configuration) Output Voltages (typical): • +5 VDC for logic circuits • ±15 VDC for analog signal and control amplifiers • +24 VDC for relay/solenoid actuation Output Power: Up to 100 W total (varies by configuration) Regulation Type: Linear and switch-mode hybrid architecture with large electrolytic capacitors for smoothing Connectors: • Two multi-pin edge connectors for backplane/system interface • One auxiliary terminal block for external power leads Protection Features: • Fused input circuit • Overvoltage and short-circuit protection on all rails • Thermal shutdown protection Indicators: LED power status indicators for each voltage rail Key Components: • High-capacity aluminum electrolytic capacitors (blue) for filtering • TO-220 voltage regulators on black heat sinks • Power transistors and precision resistors for voltage control PCB Material: FR-4 epoxy laminate, 94V-0 rated Dimensions: Approx. 8 in × 5 in (203 × 127 mm) Applications: • Liebert UPS and precision power systems • DC supply for gate drive, logic, and monitoring modules • Industrial automation and data center power electronics Country of Origin: USA Please review pictures carefully and let us know if you have any questions!