✅ ABB DSE201M C20 AC30 – 1P+N RCBO with Monitoring 20A, 30mA (Part No.: 2CSR275051R1204) The ABB DSE201M C20 AC30 provides 20A protection with leakage and overcurrent response and integrated monitoring features for preventive diagnostics. Technical Specifications: Part Number: 2CSR275051R1204 Model: DSE201M C20 AC30 Rated Current: 20A Sensitivity: 30mA Type: RCBO with Monitoring Poles: 1P+N Tripping Curve: C Applications: Residential and smart energy panels Mounting: DIN rail