Description
ABB SB171 BACKUP POWER SUPPLY 3BSE004802R0001 (NEW WITHOUT BOX)
ABB AUTOMATION
TYPE: SB171
BACKUP POWER SUPPLY
ART.NO: 3BSE004802R0001
Y988C4067
INPUT VOLTAGE: 18-32 VDC MAX 6W
OUTPUT LOAD: 5.5 VDC 0-0.5 A
BATT.CHARGE: (10-15 VDC) 160 MA
MADE IN SWEDEN
REF.NO: FKM10023
The ABB SB171 Backup Power Supply (Part No. 3BSE004802R0001) is a critical component within ABB automation and control systems, designed to maintain uninterrupted power to processors, controllers, and memory modules during primary power interruptions. Onboard marine vessels, this unit plays a vital role in safeguarding automation system integrity by providing battery-backed DC output, ensuring that configuration data, process parameters, and real-time control states are preserved during power fluctuations or blackout scenarios. Its reliable operation is essential for maintaining safe, continuous control of propulsion, power management, cargo handling, and other mission-critical shipboard systems.
Key Features
✓ ABB SB171 backup power supply module with wide input voltage range of 18–32 VDC, max 6W consumption
✓ Regulated output load of 5.5 VDC at 0–0.5 A for reliable controller and memory protection
✓ Integrated battery charging circuit (10–15 VDC, 160 mA) for sustained backup readiness
✓ Compact module designed for direct integration into ABB automation racks and I/O systems
✓ Manufactured in Sweden to ABB’s stringent quality and reliability standards
Marine Applications
Backup power protection for ABB process control and automation systems on merchant and offshore vessels
Data retention and safe shutdown support for engine room automation and power management systems
Uninterrupted power supply to ABB controllers managing ballast, cargo, and HVAC automation
Critical memory backup for bridge and machinery control systems during switchboard blackouts
Support for dynamic positioning (DP) and safety-critical ABB system architectures requiring redundant power
Why Marine Engineers Choose
Marine engineers rely on the ABB SB171 because it delivers proven, manufacturer-standard backup power protection that prevents costly data loss and system downtime during power disturbances — a critical requirement in demanding shipboard environments where uninterrupted automation is non-negotiable.
Ideal For
Container ships, bulk carriers, tankers, LNG/LPG carriers, offshore platforms, FPSOs, cruise vessels, ferries, and any vessel or installation operating ABB automation and control systems requiring reliable backup power modules.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical assistance, testing and commissioning, repair services, retrofit and upgrade consultation, and full integration support for ABB automation systems. To confirm compatibility and ensure the correct replacement, please share nameplate photographs, part numbers, system drawings, ABB system model and software version, vessel name and IMO number, and your project scope. All compatibility and system integration details are subject to confirmation based on your specific installation requirements.




