ABB ST203M-C10

The ABB ST203M-C10 is a reliable 3-pole miniature circuit breaker designed to handle up to 10 amps with a voltage rating of 480Y/277V AC. Part of the ST200M Series, this device features a C-curve trip characteristic and a 10 kA interrupting capacity, making it a solid choice for protecting circuits in a variety of industrial settings. Known for its compact design and dependable performance, this breaker is often used as a supplemental protector in control panels and electrical systems. You can find this trusted ABB component distributed through BSP Automation, ensuring great availability for your projects. In the trade, some folks might casually call it a “mini breaker,” but don’t let the nickname fool you—it’s built to deliver serious protection.