ABB 2CDS253001R0024 S203-C2 3P 2A 6kA Curve-C Miniature Circuit Breaker (MCB)

The ABB S203-C2 (SKU: 2CDS253001R0024) is a 3-pole miniature circuit breaker (MCB) from the S200 series, rated at 2A with a 6kA breaking capacity and Curve-C tripping characteristic, designed for reliable overcurrent and short-circuit protection in industrial control panels and distribution boards on 230/400V AC systems. Compact and DIN-rail mountable, the S203-C2 delivers dependable protection for motor branch circuits and equipment with moderate inrush currents, meeting the stringent requirements of IEC/EN 60898-1 and IEC/EN 60947-2.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: International and European standard for household and similar installations MCBs
• IEC/EN 60947-2: International and European standard for industrial circuit breakers
• UL 1077: UL standard for supplementary protectors for use in electrical equipment
• IEC 60898-1: International standard for circuit breakers for overcurrent protection
• EN 60898-1: European standard for miniature circuit breakers
• IEC 60898-1 400V: Verified compliance at 400V rating per IEC 60898-1
• IEC 60947-2 440V: Verified compliance at 440V rating per IEC 60947-2
• IEC 60068-2: Environmental testing standard for climatic and mechanical robustness
• EN 60947-2: European standard for low-voltage switchgear and controlgear — circuit breakers
• EN 45555: European standard for end-of-life treatment of electrical and electronic equipment
• EN 60664: Insulation coordination for low-voltage equipment
• CSA: Canadian Standards Association certified
• RoHS: Restriction of Hazardous Substances compliant
• REACH: EU REACH regulation compliant — no restricted substances
• WEEE: Waste Electrical and Electronic Equipment directive compliant
• CE: CE marking — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — meets UK market requirements post-Brexit

Applications & Use Cases

• Overcurrent and short-circuit protection in industrial control panels and distribution boards
• Branch circuit protection for loads with moderate inrush currents (Curve-C characteristic)
• Motor feeder protection in automation and manufacturing environments
• Protection of instrumentation, PLC power supplies, and auxiliary control circuits at 230/400V AC
• Building services and commercial electrical installations requiring IEC/EN 60898-1 compliant devices