ABB ST201M-Z3

The ABB ST201M-Z3 is a compact, one-pole miniature circuit breaker designed to handle 3 amps at 480Y/277V AC with a Z-curve trip characteristic. Part of the ST200M series, this breaker offers reliable protection with a 10 kA interrupting capacity, making it a solid choice for supplemental circuit protection. Known among pros as the ST201M-Z3, it meets UL 1077 and CSA 22.2 standards, ensuring it’s up to snuff on safety and performance. Distributed by BSP Automation, this breaker is a dependable component for managing electrical loads efficiently in a variety of setups.