✅ ABB FH204 AC – 4P Residual Current Circuit Breaker 125A, 30mA (Part No.: 2CSF204006R1250) The ABB FH204 AC RCCB is a 4-pole unit rated at 25A with a 30mA sensitivity. It’s ideal for three-phase + neutral protection against earth leakage. Technical Specifications: Part Number: 2CSF204006R1250 Model: FH204 AC Rated Current: 25A Sensitivity: 30mA Type: Residual Current Circuit Breaker (RCCB) Poles: 4P Applications: Industrial and commercial panels Mounting: DIN rail