ABB 2CDS271001R0105 S201M-B10 1P 10A 10kA B-Curve 230/400V Miniature Circuit Breaker MCB

The ABB S201M-B10 miniature circuit breaker (SKU: 2CDS271001R0105) is a 1-pole, 10A, B-curve MCB from the S200M series, rated at 230/400V AC with a breaking capacity of 10kA. Designed for protection of circuits against overload and short-circuit currents in residential, commercial, and industrial installations, the S201M-B10 delivers reliable performance in a compact 17.5mm-wide DIN-rail-mount housing suitable for high-density control panels.

Technical Specifications

Certifications & Standards

• IEC/EN 60898-1: Miniature circuit breakers for household and similar installations
• IEC/EN 60947-2: Low-voltage switchgear and controlgear — circuit breakers
• IEC 60898-1: International standard for MCBs in household/similar installations
• EN 60898-1: European harmonised standard for MCBs
• IEC/EN 60898: General compliance with the MCB standard family
• IEC/EN60898: Additional compliance designation used in product markings
• IEC 60068-2: Environmental testing standard (mechanical and climatic)
• EN 60898: European MCB standard
• EN 60947-2: European low-voltage circuit breaker standard
• EN45555: General methods for the assessment of the ability to recover resources from electrical and electronic equipment
• EN60664: Insulation coordination for equipment within low-voltage systems
• EN60898: European designation for MCB compliance
• EN60947: European low-voltage switchgear and controlgear standard family
• UL1077: Supplementary protectors for use in electrical equipment (North America)
• CSA: Canadian Standards Association approval
• RoHS: Restriction of Hazardous Substances — EU Directive compliant
• REACH: EU chemical safety regulation compliant
• WEEE: Waste Electrical and Electronic Equipment Directive compliant
• CE: European Conformity marking
• UKCA: UK Conformity Assessed marking for the Great Britain market

Applications & Use Cases

• Overload and short-circuit protection for final circuits in residential distribution boards
• Commercial and light industrial control panels requiring compact 17.5mm-pitch DIN-rail breakers
• Protection of lighting circuits, small motor loads, and instrumentation with B-curve sensitivity
• High-density switchboard builds where the S201M-B10 slim profile maximises breaker count per enclosure
• International projects requiring CE, UKCA, UL1077, and CSA compliance simultaneously