ABB 2CSF204004R1250 FH204 AC-25/0.03 4P 25A 6kA Residual Current Circuit Breaker

The ABB FH204 AC-25/0.03 (SKU: 2CSF204004R1250) is a 4-pole residual current circuit breaker (RCCB) from the FH200 series, rated at 25 A with a 30 mA sensitivity and a breaking capacity of 6 kA. Designed for DIN rail installation, the FH204 AC-25/0.03 provides reliable earth fault protection in residential, commercial, and light industrial distribution boards, safeguarding both personnel and equipment against ground leakage currents.

Technical Specifications

Certifications & Standards

• IEC 61008: International standard for residual current operated circuit breakers without integral overcurrent protection
• EN 61008: European harmonised standard for RCCBs for household and similar uses
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage systems
• IEC 60898-1: Circuit breakers for overcurrent protection in household and similar installations
• EN 45555: General methods for the assessment of the lifetime of energy-related products
• EN 60664-1: European insulation coordination standard for low-voltage equipment
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals — EU compliant
• WEEE: Waste Electrical and Electronic Equipment Directive — compliant for responsible end-of-life disposal

Applications & Use Cases

• Residential distribution boards requiring earth fault protection on 4-wire (3-phase + neutral) circuits
• Commercial buildings: offices, retail, and hospitality installations where personnel protection is mandatory
• Light industrial panels and machinery where 30 mA sensitivity is specified for operator safety
• Supplementary protection in combination with MCBs in TT and TN earthing systems
• Bathroom, kitchen, and outdoor circuit protection per IEC 61008 requirements