ABB 2CDS273001R0324 S203M-C32 3P 32A 10kA Curve-C Miniature Circuit Breaker

The ABB S203M-C32 miniature circuit breaker (MCB), SKU 2CDS273001R0324, is a high-performance 3-pole, 32A, Curve-C overcurrent protection device rated at 230/400V AC with a 10kA breaking capacity. Part of ABB's S200M series, the S203M-C32 is engineered for reliable short-circuit and overload protection in industrial control panels, commercial distribution boards, and building automation systems.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: International/European standard for circuit breakers for overcurrent protection in household and similar installations
• IEC/EN 60947-2: International/European standard for low-voltage switchgear and controlgear — circuit breakers
• IEC 60898-1: IEC standard for circuit breakers for overcurrent protection
• EN 60898-1: European harmonized standard for circuit breakers for overcurrent protection
• IEC/EN 60898: Combined IEC/EN standard covering overcurrent circuit breaker requirements
• IEC/EN60898: Alternate notation for the IEC/EN 60898 overcurrent standard
• IEC 60898-1400: Extended IEC 60898-1 standard application
• IEC 60947-2440: Extended IEC 60947-2 standard application
• IEC60068-2: Environmental testing standard for electrical and electronic products
• EN 60898: European standard for circuit breakers for overcurrent protection
• EN 60947-2: European standard for low-voltage circuit breakers
• EN45555: European standard for general methods for assessing the energy efficiency of network-connected products
• EN60664: European standard for insulation coordination for equipment within low-voltage systems
• EN60898: European alternate notation for the EN 60898 overcurrent standard
• EN60947: European standard family for low-voltage switchgear and controlgear
• CSA 22.2 No. 235: Canadian Standards Association standard for supplementary protectors
• UL 1077: Underwriters Laboratories standard for supplementary protectors for use in electrical equipment
• UL1077: Alternate notation for UL 1077 supplementary protectors standard
• CSA: Canadian Standards Association product certification
• CE: European conformity marking — meets EU health, safety, and environmental requirements
• UKCA: UK Conformity Assessed marking for products placed on the Great Britain market
• RoHS: Restriction of Hazardous Substances — compliant with EU directive on hazardous materials
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals compliance
• WEEE: Waste Electrical and Electronic Equipment directive compliance for end-of-life disposal

Applications & Use Cases

• Overload and short-circuit protection in industrial control panels and machinery
• Commercial and residential distribution boards rated at 230/400V AC
Construction and building management systems requiring 3-pole, Curve-C protection
• Motor feeder circuits where moderate inrush currents require a Curve-C trip characteristic
• OEM equipment integration requiring UL 1077 or CSA 22.2 No. 235 compliance
• Automation and process control cabinets in manufacturing environments