ABB ST201M-B6 is a 1-pole miniature circuit breaker (MCB) from ABB's ST201M family, rated for 6 A with a B-curve trip characteristic to protect single-phase circuits. It is UL 1077-listed and rated for 480Y/277 VAC with a 10 kA short-circuit breaking capacity, making it suitable for protecting distribution and control circuits in commercial and light-industrial installations. The model corresponds to catalog number 2CDS271334R0065 and is marketed by ABB-authorized distributors such as Proax, Rexel, and Mouser.
