✅ ABB DS201 C20 AC30 – 1P+N RCBO 20A, 30mA (Part No.: 2CSR255080R1204) The ABB DS201 C20 AC30 is a 20A-rated commercial RCBO offering protection against overcurrent and earth faults for moderate industrial applications. Technical Specifications: Part Number: 2CSR255080R1204 Model: DS201 C20 AC30 Rated Current: 20A Sensitivity: 30mA Type: RCBO Poles: 1P+N Tripping Curve: C Applications: Machine circuits, office installations Mounting: DIN rail