ABB ST201M-D8

The ABB ST201M-D8 is a reliable miniature circuit breaker designed for single-pole applications, rated at 8 amps and capable of handling 480Y/277V AC systems. This device features a D-curve trip characteristic, making it well-suited for protecting circuits with moderate inrush currents, such as motors or lighting loads. With a sturdy interrupting capacity of 10 kAIC, it ensures safe and dependable operation under fault conditions. Part of the ST200M series, this breaker meets UL 1077 and CSA 22.2 standards, providing peace of mind for supplemental circuit protection. Distributed by BSP Automation, it’s a solid choice when you need a compact yet effective solution to keep your circuits safeguarded. It’s sometimes known by its alternate part number, 016779017040. Simply put, this breaker is a real workhorse for industrial setups—no joke.