ABB 2CDS253001R0504 S203-C50 3P 50A 6kA C-Curve 230/400V AC DIN-Rail Miniature Circuit Breaker

The ABB S203-C50 miniature circuit breaker (MCB), SKU 2CDS253001R0504, is a 3-pole 50A C-curve device from the S200 series designed for overcurrent and short-circuit protection in industrial and commercial installations. Rated at 230/400V AC with a breaking capacity of 6kA, the S203-C50 mounts on standard DIN rail and complies with IEC/EN 60898-1 and IEC/EN 60947-2, making it suitable for control panels, distribution boards, and automation enclosures worldwide.

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
• IEC 60898-1: International standard for circuit breakers for overcurrent protection
• EN 60898-1: European harmonised standard for miniature circuit breakers
• IEC/EN60898-1: Combined IEC/EN compliance designation for MCB overcurrent protection
• IEC/EN60947-2: Combined IEC/EN compliance for low-voltage circuit breakers
• IEC 60898: Base IEC standard family for circuit breakers
• IEC 60947: Base IEC standard family for low-voltage switchgear and controlgear
• IEC 60068-2: Environmental testing standard for industrial electrical equipment
• EN 60947-2: European standard for low-voltage circuit breakers
• EN45555: General methods for assessing the ability of energy-related products to be repaired, reused or recycled
• EN60664: Insulation coordination for equipment within low-voltage systems
• EN60898-1: European MCB standard for overcurrent protection
• EN60947-2: European low-voltage circuit breaker standard
• UL1077: UL standard for supplementary protectors for use in electrical equipment (North America)
• CSA: Canadian Standards Association approval for use in North American markets
• CE: European conformity marking confirming compliance with EU directives
• UKCA: UK Conformity Assessed marking for Great Britain market access
• RoHS: Restriction of Hazardous Substances — compliant with EU directive 2011/65/EU
• REACH: Compliant with EU regulation on chemical substances (EC No 1907/2006)
• WEEE: Waste Electrical and Electronic Equipment directive compliance