ABB ST201M-D50

The ABB ST201M-D50 is a reliable miniature circuit breaker designed for single-pole applications, handling up to 50 amps at 480Y/277V AC. Part of the ST200M series, this breaker features a D-curve trip characteristic and a 10 kA interrupting capacity, making it a solid choice for protecting your electrical circuits against overloads and short circuits. Often referred to by its alternate code, 016779018245, this compact device is built to meet UL 1077 and CSA 22.2 safety standards. Distributed by BSP Automation, the ST201M-D50 is a trusty option when you need durable and efficient supplemental protection—basically, it’s the real deal for any control panel setup.