Asea Brown Boveri SU201M-C3 Molded Case Circuit Breaker

ABB SU201M-C3 is a 1-pole miniature circuit breaker (UL 489) with a C-curve trip characteristic rated at 3 A, part of ABB's SU200M family for branch-circuit protection. It is designed for AC systems up to 480Y/277 VAC and DC up to 96 V, with a 10 kA interrupt rating, making it suitable for protecting branch circuits in commercial and light industrial panels. The device mounts on a DIN rail and uses screw-terminal connections, accepts 18–8 AWG conductors, and measures about 69 mm long, 17.5 mm wide, and 111 mm high. It supports 50/60 Hz operation and is rated for temperatures from -25 to 55 C, providing dependable protection in typical indoor environments. This single-pole, C-curve MCB is a UL 489-listed solution for protecting lighting, outlets, and other low- to mid-ampacity branch circuits in control panels and distribution boards. Its 1P configuration supports space-saving installations.