ABB ST203M-D32

The ABB ST203M-D32 is a reliable 3-pole miniature circuit breaker designed for 32-amp loads at 480Y/277V AC. Part of the ST200M series, this breaker features a D-curve trip characteristic, making it well-suited for handling moderate inrush currents without nuisance tripping. With a 10 kA interrupting capacity, it offers solid protection against short circuits and overloads in industrial and commercial setups. This rugged breaker complies with UL 1077 and CSA 22.2 standards, ensuring safety and performance you can count on. Distributed by BSP Automation, the ST203M-D32 is a solid choice when you need dependable supplemental protection — in other words, it’s a real workhorse for your electrical system.