ABB ST203M-K60

The ABB ST203M-K60 is a 3-pole miniature circuit breaker designed to handle up to 60 amps at 480Y/277V AC. This model features a K-curve trip characteristic, making it well-suited for protecting circuits with moderate inrush currents. Rated for a 10 kA interrupting capacity, it provides reliable fault protection for a variety of industrial applications. Part of the ST200M series of supplemental protectors, this breaker meets UL 1077 and CSA 22.2 standards, ensuring it’s up to the task. Distributed by BSP Automation, this compact device is a solid choice when you need a dependable and space-saving solution—perfect for keeping your setup safe without any fuss.