ABB 2CSF204001R1950 F204 AC-125/0.03 4P 125A 30mA 10kA Residual Current Circuit Breaker

The ABB F204 AC-125/0.03 (SKU: 2CSF204001R1950) is a 4-pole residual current circuit breaker (RCCB) from the F200 series, rated at 125A with a 30mA trip sensitivity and a 10kA breaking capacity at 230/400V AC. Designed for DIN rail installation in industrial and commercial control panels, the F204 AC-125/0.03 provides reliable earth-fault protection against indirect contact hazards in accordance with IEC 61008 and EN 61008 standards.

Technical Specifications

Certifications & Standards

• IEC 61008: International standard for residual current operated circuit-breakers without integral overcurrent protection
• EN 61008: European harmonised standard equivalent to IEC 61008 for RCCB devices
• IEC/EN 61008: Combined IEC and EN compliance designation for RCCB performance and safety requirements
• RoHS: Compliant with EU Restriction of Hazardous Substances Directive — restricts use of specific harmful materials in electrical equipment
• REACH: Compliant with EU REACH regulation on chemical substance safety and registration
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive for responsible end-of-life disposal

Applications & Use Cases

• Earth-fault and indirect contact protection in industrial control panels and distribution boards
• Protection of final distribution circuits in commercial and light industrial installations
• Main RCCB protection for 3-phase + neutral (4-wire) systems up to 125A
• Supplementary residual current protection alongside MCBs or MCCBs in TN and TT earthing systems
• Building automation, HVAC, and motor circuit protection where Type AC detection (sinusoidal residual current) is appropriate