ABB 2CDS253001R0324 S203-C32 3P 32A 6kA C-Curve DIN Rail Miniature Circuit Breaker

The ABB S203-C32 miniature circuit breaker (MCB), catalog number S203-C32 (SKU 2CDS253001R0324), is a 3-pole, 32A, 6kA breaking capacity device from the trusted ABB S200 series. Designed for overcurrent and short-circuit protection in residential, commercial, and industrial control panels, the S203-C32 features a C-curve trip characteristic ideal for loads with moderate inrush currents such as motors, transformers, and fluorescent lighting. Rated at 230/400V AC and DIN rail mountable, it delivers reliable protection in a compact 52.5 × 88 × 69mm footprint.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: International and European standard for circuit breakers for overcurrent protection in household and similar installations
• IEC/EN 60947-2: International and European standard for low-voltage switchgear — circuit breakers for industrial use
• UL 1077: UL standard for supplementary protectors (recognized component circuit breakers)
• IEC 60898-1400: Extended IEC 60898-1 variant covering additional rated voltage classes
• IEC 60947-2440: Extended IEC 60947-2 variant for higher breaking capacity ratings
• IEC 60068-2: Environmental testing standard for durability and climatic endurance
• EN 60947-2: European standard for low-voltage switchgear — circuit breakers
• EN 60898-1: European standard for circuit breakers in household and similar installations
• EN 45555: European standard for general methods for assessment of the ability of electrical and electronic household products to be repaired, reused, and recycled
• EN 60664: Insulation coordination standard for equipment within low-voltage systems
• CSA: Canadian Standards Association certification for the North American market
• CE: European Conformity marking confirming compliance with EU health, safety, and environmental directives
• UKCA: UK Conformity Assessed marking for products placed on the Great Britain market post-Brexit
• RoHS: Restriction of Hazardous Substances — confirms compliance with EU Directive 2011/65/EU limiting hazardous materials
• REACH: EU chemical safety regulation confirming no substances of very high concern above threshold limits
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Overcurrent and short-circuit protection in 3-phase distribution boards and consumer units
• Protection of motor circuits, transformer secondaries, and fluorescent lighting loads (C-curve)
• Industrial control panels and automation enclosures operating at 230/400V AC
• Commercial building services and HVAC electrical distribution
• Feeder and branch circuit protection in IEC-compliant installations worldwide