ABB Protecta Plus S301P-D40 Miniature Circuit Breaker 1 Pole 40A Type D 415V AC / 125V DC 25kA Breaking Capacity DIN Rail System pro M Compact Industrial MCB 2CDS381001R0401

SINGLE-PHASE CIRCUIT PROTECTION – 1-pole miniature circuit breaker designed to protect electrical circuits from overload and short-circuit faults. Ideal for switchboards, distribution boards, control panels and industrial electrical installations. 40A TYPE D TRIPPING CURVE – Rated 40A with Type D characteristic for circuits with high inrush current such as motors, transformers, compressors and inductive loads. Helps prevent nuisance tripping while maintaining reliable electrical protection. DIN RAIL INSTALLATION DESIGN – Compact S301 series MCB designed for quick DIN rail mounting in switchboards, control cabinets and distribution boards. Supports cable or busbar wiring with top or bottom supply for flexible installation. TRIP INDICATOR & SAFE TERMINALS – Integrated contact position indicator clearly shows breaker ON/OFF status for fast inspection and troubleshooting. Bidirectional cylinder-lift terminals ensure secure wiring and help prevent incorrect installation. 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.