ABB 2CDS253001R0325 S203-B32 3P 32A 6kA Type-B Miniature Circuit Breaker MCB DIN Rail

The ABB S203-B32 miniature circuit breaker (MCB), SKU 2CDS253001R0325, is a 3-pole, 32 A, 6 kA breaking capacity device rated for 230/400 V AC, designed for overcurrent and short-circuit protection in residential, commercial, and light industrial installations. Part of the proven ABB S200 series, the S203-B32 features Type B tripping characteristics and snaps directly onto standard DIN rail, making it a reliable and space-efficient solution for distribution boards and control panels.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: International and European standard for household and similar circuit breakers for overcurrent protection
• IEC/EN 60947-2: International and European standard for low-voltage switchgear — circuit breakers
• UL 1077: UL standard for supplementary protectors for use in electrical equipment
• IEC 60898-1400: Extended IEC 60898-1 variant covering specific application ratings
• IEC 60947-2440: Extended IEC 60947-2 variant for specific breaking capacity ratings
• IEC 60068-2: Environmental testing standard for industrial electrical components
• EN 60664: Insulation coordination for equipment within low-voltage systems
• EN 45555: General methods for the assessment of the ability to repair, reuse, and recycle energy-related products
• CSA: Canadian Standards Association certification for North American market compliance
• CE: European Conformity marking — meets all applicable EU directives
• UKCA: UK Conformity Assessed marking for Great Britain market compliance
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Compliance with EU REACH regulation (EC No 1907/2006) on chemical substances
• WEEE: Waste Electrical and Electronic Equipment Directive compliance for responsible end-of-life disposal

Applications & Use Cases

• Overcurrent and short-circuit protection in residential and commercial distribution boards
• Protection of lighting circuits, socket outlet circuits, and general wiring (Type B characteristic suits resistive and slightly inductive loads)
• Industrial control panels requiring 3-pole simultaneous disconnection of all live conductors
• DIN-rail mounted switchgear assemblies in building automation and HVAC control panels
• Protection of three-phase loads up to 32 A in light industrial environments