ABB ST203M-C40

The ABB ST203M-C40 is a 3-pole miniature circuit breaker designed to handle up to 40 amps at 480Y/277V AC. Part of the ST200M series, this breaker features a C-curve trip characteristic and a 10 kA interrupting rating, making it a reliable choice for protective applications. It meets UL 1077 and CSA 22.2 standards, ensuring solid safety and performance credentials. Distributed by BSP Automation, this robust circuit breaker is a real workhorse when you need dependable supplemental protection in your electrical setups.