Description
ABB 3B84 CIRCUIT BREAKER ACCESSORY (USED)
ABB
3B84
CIRCUIT BREAKER ACCESSORY
YU
~220…250 V
50…60 Hz
LR54280
REF.NO: FKM4909
The ABB 3B84 is a circuit breaker accessory designed for use with ABB circuit breaker systems in marine and industrial electrical installations. Rated for ~220–250 V at 50–60 Hz, this component integrates with ABB switchgear and distribution panel assemblies commonly found in vessel electrical systems, including main switchboards, auxiliary panels, and motor control centres. Reliable circuit breaker accessories are critical to maintaining safe and continuous electrical distribution onboard.
Key Features
✓ Compatible with ABB circuit breaker platforms; exact fit subject to confirmation against your system configuration
✓ Operating voltage range ~220–250 V, 50–60 Hz, suitable for standard marine AC electrical systems
✓ Compact accessory form factor designed for panel-mounted circuit breaker installation
✓ Manufactured by ABB, a recognised supplier of marine-grade switchgear and protection equipment
✓ Part number 3B84 ensures traceability and cross-reference against OEM documentation
Marine Applications
Main switchboard and distribution panel assemblies
Auxiliary machinery control and protection circuits
Motor control centres and starter panels
Emergency switchboard accessory replacement
Retrofit and upgrade of existing ABB circuit breaker installations
Why Marine Engineers Choose
ABB circuit breaker accessories such as the 3B84 are valued for their compatibility within established ABB protection systems, reducing integration risk during maintenance or panel refurbishment. Direct OEM part number referencing simplifies procurement and ensures the correct accessory is fitted to the corresponding breaker type.
Ideal For
Cargo vessels, tankers, bulk carriers, offshore support vessels, passenger ships, naval auxiliaries, and industrial marine installations requiring ABB switchgear spare parts and accessories.
Technical Support & Compliance
We provide complete solutions including remote troubleshooting, onboard technical support, testing and commissioning, component repair, retrofit and upgrade assistance, and system integration support — all subject to confirmation. To verify compatibility with your installation, please share nameplate photos, part numbers, relevant drawings, system model and software version, vessel name, IMO number, and scope of work. Compatibility and suitability are subject to confirmation based on the information provided.




