ABB ST203M-B32

The ABB ST203M-B32 is a reliable 3-pole miniature circuit breaker designed to handle up to 32 amps at 480Y/277V AC. This breaker features a B-curve trip characteristic and offers a 10 kA interrupting capacity, making it a solid choice for protecting your electrical circuits from overloads and short circuits. Part of the ST200M series, it meets UL 1077 and CSA 22.2 standards, ensuring safety and performance you can count on. If you're looking for a dependable circuit protector, this model—often referred to as a “mini breaker” among the pros—delivers robust performance. You can find the ST203M-B32 through BSP Automation, a trusted source for quality industrial components.