ABB ST201M-C16 Programmable Digital Timer Relay

ABB ST201M-C16 is a single-pole miniature circuit breaker from ABB’s ST200M protection family, rated 16 A with a C-type tripping characteristic, designed to provide overcurrent protection for individual branch circuits in electrical distribution. This UL 1077-listed device offers an interrupting capacity of 10 kA at 240 V AC, 277 V AC, and 60 V DC, making it suitable for mixed-voltage installations in commercial and residential panels. The model is catalog number 2CDS271334R0164 and is identified as ST201M-C16 within ABB’s ST200M lineup, where it serves to prevent damage from short circuits and overloads while remaining non-intrusive under normal operation. Common applications include safeguarding lighting circuits, receptacle runs, and control circuits within electrical panels that require compact, reliable overcurrent protection. Distributors such as Proax and Rexel list this 16 A, C-curve MCB, aligning with ABB’s standard specifications for UL 1077 devices.