ABB Protecta Plus S301P-B20 Miniature Circuit Breaker 1 Pole 20A Type B 415V AC / 125V DC 25kA Breaking Capacity DIN Rail System pro M Compact Industrial MCB 2CDS381001R0205

RELIABLE CIRCUIT PROTECTION – ABB S301P-B20 1-pole 20A miniature circuit breaker protects circuits from overload and short-circuit faults. Suitable for DIN rail distribution boards and electrical panels in residential and commercial installations. TYPE B TRIPPING CHARACTERISTIC – Fast tripping at low fault currents, ideal for lighting circuits, socket outlets and residential wiring. Helps protect sensitive electrical loads while maintaining stable operation during normal current flow. COMPACT DIN RAIL DESIGN – Slim 17.5mm module width saves space in switchboards and distribution panels. Screw terminals provide secure wiring while the integrated trip indicator allows quick visual status checks during maintenance. 25kA BREAKING CAPACITY – Rated 25kA short-circuit breaking capacity to safely interrupt fault currents and protect wiring, electrical equipment and connected loads. Suitable for 415V AC and 125V DC distribution systems and control panels. ABB PROTECTA PLUS SYSTEM – Part of the ABB Protecta Plus modular distribution system for indoor installations, offering high internal accessibility, removable internal modules for simplified wiring, insulated neutral and earth bars, and an expandable cabinet concept for flexible electrical distribution solutions.