1SYS273022R0404

The ABB SB203M I-C40 is a three-pole industrial miniature circuit breaker designed to protect electrical circuits against overloads and short circuits. It uses a thermal-magnetic tripping mechanism, providing thermal protection against sustained overloads and electromagnetic protection against short-circuit faults.

Part of ABB's System pro M SB200M Industrial range, this 40 A circuit breaker features a C-type tripping characteristic. It is suitable for compatible industrial electrical installations, control panels, and three-phase distribution circuits. The unit is designed for DIN-rail mounting and provides a rated short-circuit breaking capacity of 10 kA.