ABB Protecta Plus S303P-C20 Miniature Circuit Breaker 3 Pole 20 A Type C 415 V AC / 125 DC 25 kA Breaking Capacity Industrial MCB DIN Rail System pro M Compact 2CDS383001R0204

THREE-PHASE CIRCUIT PROTECTION – 3-pole miniature circuit breaker designed to protect three-phase circuits in switchboards, control panels and distribution boards from overload and short-circuit faults in commercial and industrial electrical systems. 20 A TYPE C TRIPPING CURVE – Rated 20 A with Type C tripping curve suitable for circuits with moderate inrush current such as lighting systems, HVAC units, pumps and small motors in commercial and industrial power distribution systems. DIN RAIL INSTALLATION & FLEXIBLE WIRING – Compact MCB for quick DIN rail mounting in switchboards and electrical panels; terminals allow top or bottom supply and support cable or busbar connections for flexible wiring in distribution boards. TRIP INDICATOR & SAFE TERMINALS – Integrated trip indicator shows breaker status after tripping for fast diagnostics; fail-safe terminals help prevent wiring errors and ensure secure electrical connections in switchboards and electrical 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.