ABB ST203M-K2

The ABB product ST203M-K2 is a compact 3-pole miniature circuit breaker designed for reliable protection in electrical systems. It handles a current rating of 2 amps at 480Y/277V AC and features a K-curve trip characteristic, making it well-suited for applications with moderate inrush currents. With a short-circuit breaking capacity of 10 kAIC, this breaker provides solid performance in industrial environments. Part of the ST200M series, it meets UL 1077 and CSA 22.2 standards, ensuring safety and quality. Distributed by BSP Automation, this device is a dependable choice for supplemental circuit protection—no doubt, a real workhorse in its class.