ABB 2CDS211001R0505 SH201-B50 1P 50A 6kA B-Curve DIN Rail Miniature Circuit Breaker

The ABB SH201-B50 (SKU: 2CDS211001R0505) is a 1-pole 50A miniature circuit breaker (MCB) from the SH200 series, rated at 230V AC with a 6kA breaking capacity and B-curve trip characteristic. Designed for DIN rail installation per DIN 43880, this compact 17.5mm-wide MCB delivers reliable overload and short-circuit protection for residential and light commercial distribution boards.

Technical Specifications

Certifications & Standards

• IEC 60898-1: International standard for circuit breakers for overcurrent protection in household and similar installations
• IEC/EN 60898-1: Combined IEC and European harmonised standard for miniature circuit breakers
• EN 60898-1: European standard equivalent for MCB performance and safety
• IEC 60898: Base IEC standard series for circuit breaker requirements
• IEC 60068-2-27: Environmental testing standard (mechanical shock)
• EN 60664: Insulation coordination for equipment within low-voltage systems
• EN 45555: General methods for the assessment of the lifetime of energy-related products
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation (EC) No 1907/2006 on chemical substances
• WEEE: Waste Electrical and Electronic Equipment Directive compliant — supports responsible end-of-life recycling

Applications & Use Cases

• Overload and short-circuit protection in residential distribution boards
• Final circuit protection in light commercial installations
• DIN rail panel assemblies for building automation and control panels
• Branch circuit protection where B-curve sensitivity is required for resistive and slightly inductive loads