Liebert Emerson 02-790811-00 REV.3 PWA Logic Board PCB Assembly

The Libert (Emerson Network Power) 02-790811-00 REV.3 is a printed wiring assembly (PWA) logic board used in power management and infrastructure systems. This PCB is part of the internal control and monitoring architecture, typically found in UPS (Uninterruptible Power Supply) systems or precision cooling systems from the Emerson/Liebert product lines. Technical Specifications Manufacturer: Emerson / Liebert (now Vertiv) Part Number: 02-790811-00 Revision: REV.3 Type: PWA (Printed Wiring Assembly) Logic Board Function: Controls system logic and interfaces for UPS/cooling units Application: Internal control module for Liebert infrastructure systems Mounting: Standard PCB slot or chassis mount Connectivity: Multi-pin headers, ribbon cable ports (varies by implementation) Power Supply: Typically powered via main system backplane (low-voltage DC) Component Features: Microcontroller/logic ICs, opto-isolators, power regulation circuitry Communication: May support serial, I²C, or proprietary internal protocols PCB Size: Standardized to fit Liebert chassis (exact dimensions dependent on application) Compatibility: Specific to Emerson/Liebert systems—cross-check required for replacements Certifications: Conforms to IPC and manufacturer-specific QA/QC standards Please review pictures carefully and let us know if you have any questions!