ABB Protecta Plus S303P-D20 Miniature Circuit Breaker 3 Pole 20 A Type D 415 V AC / 125 DC 25 kA Breaking Capacity Industrial MCB DIN Rail System pro M Compact 2CDS383001R0201

INDUSTRIAL THREE-PHASE PROTECTION – 3-pole miniature circuit breaker designed to protect three-phase electrical systems in industrial switchboards, control panels and distribution boards against overload and short-circuit faults. 20 A TYPE D FOR MOTOR START LOADS – Rated 20 A with Type D tripping curve for circuits with high inrush currents such as motors, compressors, pumps, HVAC systems and transformers, helping prevent nuisance tripping during equipment start-up. DIN RAIL INSTALLATION & FLEXIBLE WIRING – Designed for quick DIN rail mounting in control cabinets and distribution boards; screw terminals allow top or bottom supply and support cable or busbar connections for flexible installation. TRIP INDICATOR & FAIL-SAFE TERMINALS – Integrated trip indicator clearly shows breaker status after a fault for quick troubleshooting, while fail-safe terminals help prevent incorrect wiring and ensure reliable electrical connections. 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.