ABB ST201M-B3

The ABB ST201M-B3 is a compact single-pole miniature circuit breaker rated for 3 amps and designed to handle voltages up to 480Y/277V AC. Part of the ST200M series, it features a B-curve trip characteristic, making it a reliable choice for protecting circuits with moderate inrush currents. With a breaking capacity of 10 kAIC, this breaker ensures solid short-circuit protection in various industrial setups. Safety certifications like UL 1077 and CSA 22.2 underline its compliance with key standards. Distributed by BSP Automation, the ST201M-B3 delivers dependable circuit protection in a sleek, small package that’s tough enough for everyday industrial use. It’s a solid pick—no fluff, just trusted performance.