✅ ABB DS204 AC-C20/0.03 – 4P RCBO 20A, 30mA (Part No.: 2CSR254001R1204) The ABB DS204 AC-C20/0.03 provides 20A rated protection with 30mA sensitivity in 4-pole configurations, combining fault current detection and overload protection. Technical Specifications: Part Number: 2CSR254001R1204 Model: DS204 AC-C20/0.03 Rated Current: 20A Sensitivity: 30mA Type: RCBO Poles: 4P Tripping Curve: C Applications: Industrial sub-panels, distributed automation Mounting: DIN rail