ABB ST201M-D63

The ABB ST201M-D63 is a reliable 1-pole miniature circuit breaker designed to handle up to 63 amps at 480Y/277V AC. Part of the ST200M series, this D-curve breaker offers a solid 10 kA interrupting capacity, making it a great choice for protecting electrical circuits against overloads and short circuits. Often referred to by its catalog numbers 016779018641 or simply ST201M-D63, this breaker meets important safety standards like UL 1077 and CSA 22.2. Distributed by BSP Automation, it’s a solid piece of gear to have in your electrical setup—no doubt a trusty sidekick when keeping installations safe and sound.