Description
ABB S803N-D40 HIGH PERFORMANCE MCB 2CCS893001R0401 (NEW OPEN BOX)
ABB
S803N-D40
HIGH PERFORMANCE MCB
2CCS893001R0401
240/415V~ 36KA
EN 60898-1 UE 400~V
IEC 60947-2
GB/T14048.2
50/60HZ
CATEGORY A
UIMP 8KV
30°C
MADE IN SWITZERLAND
REF.NO: FKM5447
The ABB S803N-D40 is a high-performance miniature circuit breaker (MCB) rated at 40A with a D-curve tripping characteristic and 36kA breaking capacity. Designed for demanding electrical distribution systems, this Swiss-manufactured MCB is widely used in marine and industrial panel applications where reliable short-circuit and overload protection is critical. Its Category A energy limitation classification and compliance with IEC 60947-2 make it a dependable choice for vessel switchboard and power distribution panel installations.
Key Features
✓ 40A rated current with D-curve tripping characteristic, suited for motor and inductive load circuits
✓ High breaking capacity of 36kA at 240/415V AC, ensuring robust fault protection
✓ Compliant with IEC 60947-2 and EN 60898-1 international standards
✓ Category A energy limitation for enhanced circuit protection performance
✓ Impulse withstand voltage (Uimp) of 8kV, built for demanding electrical environments
Marine Applications
Main and emergency switchboard branch circuit protection aboard commercial vessels
Motor feeder protection in engine room power distribution panels
Auxiliary machinery circuit protection for pumps, fans, and compressors
Lighting and power distribution panel protection across accommodation and technical spaces
Shore connection and generator distribution panel circuit protection
Why Marine Engineers Choose ABB S803N-D40
Marine engineers select the ABB S803N-D40 for its proven 36kA breaking capacity, D-curve tripping suited for motor-heavy circuits, and ABB’s reputation for reliability in harsh marine environments. Swiss manufacturing quality and full compliance with IEC standards ensure long service life and dependable fault protection in critical onboard electrical systems.
Ideal For
Bulk carriers, container ships, tankers, offshore support vessels, cruise ships, ferries, naval vessels, mega yachts, and any commercial or industrial marine vessel requiring high-performance miniature circuit breaker protection in switchboard and distribution panel applications.
Technical Support & Compliance
We provide complete marine electrical support services including remote troubleshooting, onboard technical assistance, testing and commissioning, repair, retrofit and upgrade solutions, and full integration support for switchboard and distribution panel projects. To confirm compatibility with your specific installation, please share nameplate photos, existing part numbers, electrical drawings, system model and version details, vessel name and IMO number, and full scope of work. All compatibility confirmations are subject to confirmation based on the documentation provided.
