ABB S203-B20

The ABB S203-B20 is a reliable miniature circuit breaker designed to handle up to 20 amps at 480Y/277V AC. Part of the S200 Series, this breaker features a B-curve trip characteristic and offers a short-circuit breaking capacity of 6 kAIC, making it well-suited for protecting your electrical circuits against overloads and short circuits. Known for its compact size and dependable performance, it meets key safety standards including UL 1077 and CSA 22.2. Distributed by BSP Automation, the S203-B20 is a solid choice for anyone looking to keep their electrical systems safe and sound without any hassle. In the field, some might casually call it a “mini breaker” for quick reference.