Liebert Emerson 02-790842-00 P/L2 Power Supply Board

This P/L2 Power Supply Board from Liebert / Emerson Network Power is a high-reliability regulated DC power module designed for use in UPS and precision electronic control systems. It provides multiple stabilized voltage rails for control, logic, and signal circuitry within Liebert’s power management equipment. Technical Description: Manufacturer: Liebert / Emerson Network Power Model / Part Number: 02-790842-00 Revision: P/L2 Type: Power Supply Board Assembly Function: Provides regulated DC outputs to control and monitoring subsystems Input Voltage: 85–264VAC or 100–150VDC (typical, via rectified front end) Output Voltages (typical): • +15VDC regulated • -15VDC regulated • +5VDC logic supply • +24VDC auxiliary output Output Power: 100–150 W (depending on load configuration) Power Components: • Two aluminum heatsink-mounted pass transistors or linear regulators • High-current rectifier diodes • Electrolytic filter capacitors for each voltage rail • Multi-turn potentiometers for voltage adjustment Protection Features: • Overvoltage and overcurrent protection on all outputs • Thermal protection through mounted heatsinks • Input fuse and transient suppression network Connectors: • 10-pin control header for board-to-system connection • Screw-type terminal block for power I/O Cooling: Passive via large aluminum heatsinks PCB Material: FR4 fiberglass, double-sided plated-through Dimensions (approx.): 180 mm × 140 mm Mounting: Vertical or chassis-mounted within control assembly Operating Temperature: 0°C to +70°C Applications: • Liebert UPS and power distribution units • Industrial control and monitoring systems • Power conditioning modules for DC control electronics Compliance: UL Recognized, CE Certified Please review pictures carefully and let us know if you have any questions!