ABB ST203M-C4

The ABB ST203M-C4 is a compact 3-pole miniature circuit breaker designed to handle 4 amps at 480Y/277V AC. Known for its reliable performance, this breaker features a C-curve trip characteristic and a breaking capacity of 10 kAIC, making it well-suited for protecting circuits in a variety of industrial settings. Part of the ST200M series, it meets UL 1077 and CSA 22.2 standards, ensuring safety and compliance. Sometimes called the "mini breaker," this unit combines efficient protection with a space-saving design. Distributed by BSP Automation, the ST203M-C4 is a solid choice when you need trustworthy supplemental circuit protection without any hassle.