✅ ABB FH204 AC – 4P Residual Current Circuit Breaker 400A, 30mA (Part No.: 2CSF204006R3400) The ABB FH204 AC 40A RCCB protects four-pole installations with high current demands and ensures early fault detection with its 30mA leakage sensitivity. Technical Specifications: Part Number: 2CSF204006R3400 Model: FH204 AC Rated Current: 40A Sensitivity: 30mA Type: Residual Current Circuit Breaker (RCCB) Poles: 4P Applications: Industrial hubs, centralized load systems Mounting: DIN rail