Technical Specifications

• Part Number: 51303948100 / 51303948-100

• Designation: MU-PSRB04 (UCN Battery Backup Module)

• Rated Voltage: 48 VDC (flooded lead-acid batteries)

• Backup Capacity: ~20 minutes (full load: 40 IOPs, redundant HPM)

• Battery Type: Sealed lead-acid, maintenance-free

• Charger: Integrated smart charger (115/230 VAC input)

• Terminals: Disconnect connector for safe maintenance

• Weight: ~15.4 kg (34.0 lbs)

• Dimensions (W×H×D): ~480 × 110 × 80 mm

• Operating Temperature: 0°C to +40°C

• Humidity: 5%–95% non-condensing

Key Features

• 48V Emergency Power: Maintains UCN node operation during AC power loss.

• Integrated Charger: Automatically recharges batteries when main power is restored.

• Fail-Safe Disconnect: Isolates batteries for servicing without system shutdown.

• LED Status Indicators: For power, charge level, and fault alarms.

• Rugged Cabinet Design: Matches Honeywell TDC 3000 enclosure standards.

Applications

• Honeywell TDC 3000 / Experion PKS UCN cabinets (HPM/APM nodes)

• Critical process control: power generation, petrochemical, oil & gas, pulp & paper

• Systems requiring short-term ride-through for safe shutdown/data preservation

Compatible & Related Part Numbers

• 51303948-100 (standard 48V backup assembly)

• MU-PSRB04 (Honeywell system model)

• 51303947-100 (LCN battery paddle card, 5/12 VDC)

• 51303940-250 (cabinet cooling fan, 230 VAC)