ABB 2CDS254001R0204 S204-C20 4P 20A 6kA C-Curve DIN-Rail Miniature Circuit Breaker

The ABB S204-C20 miniature circuit breaker (SKU: 2CDS254001R0204) is a 4-pole, 20A, C-curve MCB from the S200 series, designed for reliable overcurrent and short-circuit protection in industrial and commercial distribution panels. Rated at 230/400V AC with a breaking capacity of 6 kA, the S204-C20 mounts on standard DIN rail and meets the stringent requirements of IEC/EN 60898-1 and IEC/EN 60947-2, making it a trusted choice for control panel builders and electrical engineers 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: Core IEC standard for miniature circuit breakers up to 125A
• EN 60898-1: European harmonised standard for MCBs
• IEC 60898-1400: IEC MCB standard (400V variant)
• IEC 60947-2440: IEC low-voltage circuit breaker standard (440V variant)
• IEC 60068-2: Environmental testing standard for electrical equipment
• EN 60947-2: European standard for low-voltage circuit breakers
• EN45555: General methods for the assessment of the ability of energy-related products to be repaired, reused, upgraded and recycled
• EN60664: Insulation coordination for equipment within low-voltage systems
• UL 1077: UL standard for supplementary protectors (USA market)
• CSA: Canadian Standards Association certification
• CE: European Conformity marking — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed marking — meets Great Britain regulatory requirements
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU compliance
• WEEE: Waste Electrical and Electronic Equipment Directive compliance

Applications & Use Cases

• Overcurrent and short-circuit protection in industrial control panels and distribution boards
• Protection of motor branch circuits with moderate inrush currents (C-curve)
• Commercial building electrical distribution at 230/400V AC
• Machine building and factory automation panels requiring DIN-rail mounted 4-pole MCBs
• Protection of three-phase plus neutral (3P+N) circuits up to 20A
• Compliance-critical installations requiring IEC/EN 60898-1 and IEC/EN 60947-2 certified devices