ABB 2CDS251001R0255 S201-B25 1P 25A 6kA B-Curve DIN Rail Miniature Circuit Breaker (MCB)

The ABB S201-B25 miniature circuit breaker (MCB), SKU 2CDS251001R0255, is a 1-pole 25 A B-curve device from the S200 series delivering 6 kA breaking capacity at 230/400 V AC. Designed for reliable overcurrent and short-circuit protection in residential and commercial distribution boards, the S201-B25 mounts on standard DIN rail and occupies a slim 17.5 mm module width, making it ideal for space-efficient control panel design.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: Circuit breakers for overcurrent protection in household and similar installations
• IEC/EN 60947-2: Low-voltage switchgear and controlgear — circuit breakers
• UL 1077: Supplementary protectors for use in electrical equipment
• IEC 60898-1: International standard for household and similar circuit breakers
• EN 60898-1: European adoption of IEC 60898-1
• IEC/EN 60664: Insulation coordination for equipment within low-voltage systems
• IEC 60068-2: Environmental testing standard
• EN 60947-2: European adoption of IEC 60947-2 low-voltage circuit breaker standard
• EN 45555: General methods for the assessment of the ability of energy-related products to be repaired, reused and recycled
• EN 60664: European adoption of insulation coordination standard
• CSA: Canadian Standards Association certification for North American markets
• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed marking for Great Britain market
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals compliance
• WEEE: Waste Electrical and Electronic Equipment Directive compliance