Description
ABB S202-B20 S2C-A1 S2C-S/H6R CIRCUIT BREAKER 2CDS200922R0001
ABB STOTZ-KONTAKT GMBH
S202-B20
S2C-A1
S2C-S/H6R
CIRCUIT BREAKER
2CDS200922R0001
UMAX: 253/440 VAC
277/480 VA.C 110VD.C
IEC 60947-2
MADE IN GERMANY
REF.NO: FKM10574
The ABB S202-B20 is a two-pole miniature circuit breaker (MCB) with B-curve tripping characteristic and 20A rated current, complemented by the S2C-A1 auxiliary contact and S2C-S/H6R auxiliary signal/trip unit. Manufactured by ABB Stotz-Kontakt GmbH in Germany, this assembly is designed for reliable overcurrent and short-circuit protection in AC and DC distribution systems. Onboard vessels, this type of MCB assembly is critical for protecting branch circuits in main and emergency switchboards, lighting panels, navigation equipment panels, and machinery control circuits. Its compliance with IEC 60947-2 makes it well suited for demanding marine electrical installations within the Business & Industrial sector.
Key Features
✓ Two-pole miniature circuit breaker rated at 20A with B-curve tripping characteristic for sensitive circuit protection
✓ Equipped with S2C-A1 auxiliary contact for remote status indication and alarm integration
✓ Includes S2C-S/H6R signal contact / trip unit for enhanced fault monitoring capability
✓ Rated for multiple voltage levels including 253/440 VAC, 277/480 VAC, and 110 VDC for versatile shipboard applications
✓ Manufactured in Germany to IEC 60947-2 standards, ensuring proven quality and international compliance
Marine Applications
Protection of branch circuits in main and emergency switchboard panels
Overcurrent protection for lighting distribution boards and accommodation circuits
Circuit protection for navigation, communication, and bridge electronics panels
Machinery control and automation panel circuit protection in engine rooms
Auxiliary power distribution protection for HVAC, galley, and workshop circuits
Why Marine Engineers Choose
Marine engineers rely on the ABB S202-B20 assembly because ABB is a globally trusted name in marine-grade electrical protection. The combination of a B-curve MCB with integrated auxiliary and signal contacts provides comprehensive circuit protection and real-time fault feedback — essential for maintaining safe, uninterrupted operations at sea. IEC 60947-2 compliance and German manufacturing ensure consistent performance in harsh marine environments.
Ideal For
Cargo vessels, tankers, bulk carriers, container ships, offshore platforms, cruise ships, ferries, naval vessels, research vessels, and any commercial or industrial marine installation requiring reliable ABB miniature circuit breaker assemblies.
Technical Support & Compliance
We offer complete technical support including remote troubleshooting, onboard support, testing and commissioning, repair services, retrofit and upgrade solutions, and full integration support for ABB circuit breaker assemblies. To confirm compatibility with your specific installation, please share nameplate photos, part numbers, electrical drawings, system model and version details, vessel name and IMO number, and your project scope. All specifications and fitment are subject to confirmation based on your vessel’s configuration.




