ABB 2CSF204003R3400 FH204 AC-40/0.3 4P 40A 300mA Type AC Residual Current Circuit Breaker

The ABB FH204 AC-40/0.3 (SKU: 2CSF204003R3400) is a 4-pole residual current circuit breaker (RCCB) from the FH200 series, rated at 40A with a 300mA Type AC residual current sensitivity for robust personnel and installation protection. Designed for DIN-rail mounting in industrial and commercial control panels, the FH204 AC-40/0.3 provides reliable detection of sinusoidal alternating fault currents, making it an ideal choice for a wide range of electrical distribution and automation applications.

Technical Specifications

Certifications & Standards

• IEC 61008: International standard for residual current operated circuit breakers without integral overcurrent protection (RCCBs)
• EN 61008: European harmonized standard for RCCBs, equivalent to IEC 61008
• IEC/EN 61008: Combined IEC and EN compliance for RCCB design and performance
• IEC 60898-1: Standard for circuit breakers for overcurrent protection in household and similar installations
• IEC/EN 60664-1: Insulation coordination for equipment within low-voltage systems
• EN 60664-1: European standard for insulation coordination in low-voltage equipment
• EN 45555: General methods for the assessment of the lifetime of energy-related products
• 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 the Waste Electrical and Electronic Equipment Directive 2012/19/EU

Applications & Use Cases

• Personnel protection against indirect contact in industrial control panels
• Earth fault protection in commercial electrical distribution boards
• Fire protection in installations with high earth leakage risk
• Four-pole RCCB solution for three-phase + neutral distribution circuits
• Building automation and industrial automation switchgear assemblies