✅ ABB FH204 AC – 4P Residual Current Circuit Breaker 140A, 30mA (Part No.: 2CSF204006R1400) The ABB FH204 AC 40A 4-pole RCCB provides full-phase protection and rapid disconnection for fault currents, improving safety in modern electrical systems. Technical Specifications: Part Number: 2CSF204006R1400 Model: FH204 AC Rated Current: 40A Sensitivity: 30mA Type: Residual Current Circuit Breaker (RCCB) Poles: 4P Applications: Distribution networks, protection panels Mounting: DIN rail