ABB Protecta Plus S203M-C25 Miniature Circuit Breaker • 3 Pole • 25A Type C • 440V AC / 12V DC • 10kA Breaking Capacity • DIN Rail Mount • System pro M Compact • Industrial MCB • 2CDS273001R0254

• THREE-PHASE CIRCUIT PROTECTION – ABB S203M-C25 3-pole 25A miniature circuit breaker protects circuits from overload and short-circuit faults. Ideal for DIN rail distribution boards, switchboards, control panels and industrial electrical systems.
• TYPE C TRIPPING PERFORMANCE – Type C characteristic trips at 5–10× rated current, supporting moderate inrush loads from motors, pumps, compressors and lighting systems. Suitable for automation panels, machinery circuits and commercial installations.
• DIN RAIL ELECTRICAL INSTALLATION – Compact 3-pole design clips onto standard DIN rails for fast installation in switchboards and distribution boards. Screw terminals provide secure wiring and compatibility with ABB System pro M Compact accessories.
• 10KA FAULT INTERRUPTING CAPACITY – High 10kA breaking capacity safely interrupts fault currents while thermal overload and magnetic short-circuit protection help safeguard wiring, equipment, electrical panels and three-phase distribution systems.
• 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.

ABB Protecta Plus S203M-C25 Miniature Circuit Breaker is a reliable circuit protection device designed to protect electrical installations from overloads and short circuits. It belongs to the ABB System pro M Compact S200M series, widely used in residential, commercial and industrial electrical systems. This 3-pole 25A miniature circuit breaker features a Type C tripping characteristic, making it ideal for circuits with moderate inrush currents such as motors, compressors, pumps and lighting equipment. The breaker incorporates thermal overload protection and electromechanical short-circuit protection to ensure safe and reliable operation. With a 10kA breaking capacity, it effectively interrupts fault currents and protects wiring, machinery and electrical distribution equipment. The compact construction allows quick DIN rail installation in switchboards, distribution boards and control panels. Designed to meet IEC/EN 60898 standards, this breaker delivers dependable protection in demanding industrial and commercial environments. 3-pole miniature circuit breaker 25A current rating Type C tripping characteristic 10kA short-circuit breaking capacity Rated voltage up to 440V AC DIN rail mounting design Suitable for industrial and commercial power systems Compatible with ABB System pro M Compact accessories