ABB 2CSF204201R3400 F204 A S-40/0.3 4P 40A 300mA DIN-Rail Residual Current Circuit Breaker

The ABB F204 A S-40/0.3 residual current circuit breaker (RCCB), catalog number F204 A S-40/0.3 and SKU 2CSF204201R3400, is a 4-pole, 40 A device with a 300 mA rated residual operating current, designed for DIN-rail installation in industrial and commercial control panels. Part of ABB's trusted F200 series, this RCCB provides reliable personnel and installation protection against earth leakage faults, combining compact dimensions of 70 mm × 85 mm × 69 mm with a lightweight 360 g form factor.

Technical Specifications

Certifications & Standards

• IEC 61008: International standard for residual current operated circuit breakers without integral overcurrent protection (RCCBs)
• EN 61008: European harmonised standard for RCCBs for household and similar uses
• IEC 60068-2: Environmental testing standard covering climatic and mechanical durability
• EN 45555: General methods for the assessment of the ability to recycle and recover electrical and electronic equipment
• UL 2799: UL standard for electrical systems for electric-drive vehicles, confirming North American compliance
• CSA: Canadian Standards Association approval for North American market acceptance
• 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: Compliant with EU Waste Electrical and Electronic Equipment Directive 2012/19/EU

Applications & Use Cases

• Earth leakage protection in industrial distribution boards and control panels
• Personnel protection against indirect contact in commercial and light-industrial installations
• Protection of three-phase + neutral circuits in building services and facility management systems
• Upstream protection in sub-distribution panels where 300 mA sensitivity provides fire-hazard and selectivity-focused protection
• Integration with ABB F200 series accessories for modular, space-efficient switchgear assemblies