ABB 2CDS381001R0204 S301P-C20 1P 20A 25kA Miniature Circuit Breaker MCB

The ABB S301P-C20 miniature circuit breaker (SKU: 2CDS381001R0204) is a high-performance 1-pole MCB rated at 20A with an exceptional 25kA breaking capacity, designed for reliable overcurrent and short-circuit protection in industrial control panels, commercial installations, and demanding automation environments. Part of the ABB S300P series, the S301P-C20 delivers robust protection in a compact 17.5mm wide DIN rail format, making it ideal for space-critical switchgear assemblies.

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 60068-2: Environmental testing standard compliance
• UL 1077: Standard for supplementary protectors for use in electrical equipment
• CSA 22.2 No. 235: Canadian Standards Association certified for supplementary protectors
• CE: Conformité Européenne — meets EU safety, health, and environmental requirements
• UKCA: UK Conformity Assessed — compliant for Great Britain market
• VDE: Verband der Elektrotechnik — German electrotechnical institute certified
• CCC: China Compulsory Certification for the Chinese market
• EAC: Eurasian Conformity mark for Russia/CIS markets
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals compliant
• WEEE: Waste Electrical and Electronic Equipment Directive compliant
• EN 45555: General methods for the assessment of the ability of energy-related products to be repaired and upgraded
• EN 60664: Insulation coordination for equipment within low-voltage supply systems

Applications & Use Cases

• Overcurrent and short-circuit protection in industrial control panels
• Machine building and factory automation switchgear
• Commercial and residential distribution boards
• Protection of branch circuits in process automation systems
• Panel builders requiring high breaking capacity in a compact footprint