ABB ST201M-B30

The ABB ST201M-B30 is a reliable miniature circuit breaker designed for single-pole protection with a 30-amp rating. Built to handle voltages up to 480Y/277V AC, this B-curve breaker offers a solid 10 kA interrupting capacity, making it a robust choice for many industrial and commercial applications. Part of the ST200M Series, it serves as a supplemental protector that meets UL 1077 and CSA 22.2 standards, ensuring safety and compliance. Distributed through BSP Automation, this breaker—sometimes nicknamed the "mini marauder" by pros for its compact but tough performance—is a dependable component to have on hand for your electrical protection needs.