ABB SU203M-K1.6 is a 3-pole miniature circuit breaker (MCCB) in the SU200M family, designed for branch‑circuit protection in industrial power distributions. It uses a Type K curve with a rated current of 1.6 A and UL 489 listing, providing overcurrent protection for three‑phase circuits. The device supports up to 480Y/277 VAC and 96 V DC and offers an interrupting capacity of up to 10 kA, enabling safe interruption of faults across typical industrial supply conditions. Common applications include protection of motors, heaters, and control circuits in industrial panels and switchgear.
