1SYS273022R0044

The ABB SB203M I-C4 is a three-pole miniature circuit breaker designed to protect electrical circuits against overloads and short circuits. It uses a thermal-magnetic tripping mechanism, combining thermal protection against sustained overloads with electromagnetic protection against short circuits.

Part of ABB's System pro M SB200M range, this circuit breaker has a rated current of 4 A and a C-type tripping characteristic. It is suitable for compatible industrial, commercial and electrical distribution applications. The unit supports DIN-rail mounting and provides a rated short-circuit breaking capacity of 10 kA.