ABB 2CDS251001R0805 S201-B80 1P 80A 10kA B-Curve Miniature Circuit Breaker

The ABB S201-B80 miniature circuit breaker (MCB), catalog number S201-B80 (SKU: 2CDS251001R0805), is a 1-pole, 80 A, B-curve device from the S200 series rated at 400 V AC with a 10 kA breaking capacity at 400 V AC. Designed for overcurrent and short-circuit protection in residential, commercial, and industrial control panel applications, the S201-B80 delivers reliable performance in a compact 17.5 mm wide DIN rail-mount format.

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 of IEC 60898-1
• IEC 60898-1230: Supplementary IEC 60898-1 requirement
• IEC/EN 60947-2: Standard for low-voltage switchgear and controlgear — circuit breakers
• EN 60947-2: European harmonised standard for low-voltage circuit breakers
• IEC 60947: General IEC standard for low-voltage switchgear and controlgear
• IEC 60068-2: Environmental testing standard for electronic and electrical components
• EN 60664: Insulation coordination standard for equipment within low-voltage systems
• CE: Conformité Européenne — product meets EU health, safety, and environmental requirements
• UKCA: UK Conformity Assessed — meets Great Britain market 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 — proper end-of-life disposal compliance

Applications & Use Cases

• Overcurrent and short-circuit protection in residential and commercial distribution boards
• Industrial control panels and motor circuit protection with B-curve tripping characteristic
• Final circuit protection in switchboards and consumer units
• DIN rail-mounted installations in compact enclosures
• Protection of resistive loads and distribution circuits where moderate inrush currents are expected