ABB ST202M-D1

The ABB ST202M-D1 is a compact 2-pole miniature circuit breaker designed to provide reliable protection in electrical systems. Rated at 1 amp and suitable for voltages up to 480Y/277V AC, this D-curve breaker can handle short-circuit currents up to 10 kAIC, making it a solid choice for safeguarding sensitive circuits. Part of the ST200M Series, it meets key standards like UL 1077 and CSA 22.2, ensuring trusted performance. You might hear folks refer to it by its alternate code, 016779021009, but whatever you call it, this breaker is definitely a dependable piece for your setup. Distributed by BSP Automation, it’s a smart pick when you need supplemental protection without taking up too much space.