✅ ABB F204 AC – 4P Residual Current Circuit Breaker 90A, 30mA (Part No.: 2CSF204005R3900) The ABB F204 AC 90A RCCB provides robust protection in high-energy four-pole circuits, ensuring safe operation through rapid fault current disconnection. Technical Specifications: Part Number: 2CSF204005R3900 Model: F204 AC Rated Current: 90A Sensitivity: 30mA Type: Residual Current Circuit Breaker (RCCB) Poles: 4P Applications: High-load industrial plants, neutral-ground protection Mounting: DIN rail