ABB 20A 3-Pole Type C MCB, 277V AC, DIN Rail

The ABB S203-C20 Miniature Circuit Breaker (MCB) is an essential component from ABB's System pro M compact S200 series, designed to ensure consistent and reliable protection of electrical circuits. This 20A rated, 3-pole MCB safeguards cables and lines from overload and short circuits, offering robust performance for residential, commercial, and industrial applications.

Its patented connection terminal features a pressure plate for simple and safe wiring, ensuring secure contacting. For enhanced convenience, the connection opening for cables is positioned above the phase rail opening, improving visibility during installation.

Key Features:

• Automatic reset after tripping via manual lever—no tools required.
• Individual pole protection: In case of a fault, all poles disconnect for safety.
• Consistent selectivity and tripping characteristics for long-term reliability.
• 50% space-saving option with a bottom-fitting auxiliary contact.
• Compliant with IEC/EN 60898-1, IEC/EN 60947-2, UL1077, ensuring global suitability.

Each unit undergoes three intensive quality tests before delivery, guaranteeing high performance. The broad range of accessories simplifies installation and customization, making the S203-C20 a versatile and dependable choice for critical infrastructure like office complexes, airports, solar parks, and high-speed trains.