Liebert Emerson 02-790875-00 REV.1 DC Fuse Monitor PCB

The Liebert / Emerson 02-790875-00 Rev. 1 DC Fuse Monitor PCB is a printed circuit board used in Liebert power distribution and UPS systems to monitor DC fuses for continuity and fault detection. It ensures fast detection of open-fuse conditions and transmits alarm signals to the control system. Manufacturer: Emerson Network Power (Liebert brand) Model / Part No.: 02-790875-00 Rev. 1 Type: DC Fuse Monitoring Board Function: Monitors fuse status in DC circuits and provides alarm signaling for open fuses Input Channels: 24 independent fuse sense channels (terminal block visible on board) Fuse Monitoring Type: DC voltage sense, continuity-based detection Voltage Range: 24–130 VDC (nominal DC system monitoring range) Output: TTL/logic-level fault signal or relay output via 10-pin interface header Power Supply: 24 VDC regulated (for board logic and indicator operation) Indicators: LED fuse-status indicators per channel (fuse OK / blown) Connections: • 24-position terminal strip for monitored fuses • DB-style or IDC header for system interface Protection: Overvoltage suppression and input resistors on each fuse sense line PCB Construction: FR-4 epoxy laminate, 94V-0 flammability rating Board Dimensions: Approx. 10 in × 2.5 in (250 × 65 mm) Mounting: Panel or rack mount with standoffs Applications: • Liebert UPS and DC distribution systems • Battery cabinet fuse supervision • Telecom and data center DC monitoring panels • Industrial DC bus protection systems Country of Origin: USA Please review pictures carefully and let us know if you have any questions!