ABB 2CDS253001R0064 S203-C6 3P 6A 6kA C-Curve DIN-Rail Miniature Circuit Breaker

The ABB S203-C6 miniature circuit breaker (MCB), catalog number S203-C6 / SKU 2CDS253001R0064, is a 3-pole, 6 A, C-curve device rated at 230/400 V AC with a 6 kA breaking capacity — engineered for reliable overcurrent and short-circuit protection in industrial control panels and commercial distribution boards. Designed to the IEC/EN 60898-1 and IEC/EN 60947-2 standards, this DIN-rail mounted breaker delivers consistent, repeatable performance in demanding automation and building services environments.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: International and European standard for household and similar circuit breakers
• IEC/EN 60947-2: International and European standard for industrial circuit breakers
• IEC 60898-1400: Extended IEC 60898-1 specification variant
• IEC 60947-2440: Extended IEC 60947-2 specification variant
• IEC 60068-2: Environmental testing standard compliance
• EN 60898-1: European harmonised circuit breaker standard
• EN 60947-2: European harmonised industrial circuit breaker standard
• UL 1077: UL standard for supplementary protectors for use in electrical equipment
• CSA: Canadian Standards Association approval
• EN 45555: General methods for the assessment of the ability of electrical and electronic products to be repaired and recycled
• EN 60664: Insulation coordination for equipment within low-voltage supply systems
• CE: European conformity marking — meets all applicable EU directives
• UKCA: UK Conformity Assessed — compliant for Great Britain market
• RoHS: Restriction of Hazardous Substances Directive compliant
• REACH: EU chemicals regulation compliance
• WEEE: Waste Electrical and Electronic Equipment Directive compliant

Applications & Use Cases

• Overcurrent and short-circuit protection in industrial control panels and switchgear assemblies
• Protection of motor branch circuits and resistive loads requiring C-curve characteristics
• Commercial and industrial distribution boards operating at 230/400 V AC
• Machine building and automation systems where IEC 60947-2 compliance is mandatory
• Building services and HVAC control panels demanding DIN-rail mounted, compact MCBs