1SYS273022R0204

The ABB SB203M I-C20 is a three-pole miniature circuit breaker designed to protect electrical circuits against overloads and short circuits. It features a thermal-magnetic tripping mechanism that provides overload protection through thermal release and short-circuit protection through electromagnetic release.

Part of ABB's System pro M SB200M Industrial range, this circuit breaker has a rated current of 20 A and a C-type tripping characteristic. It is suitable for compatible industrial electrical installations, control panels, and three-phase distribution circuits. Its modular design supports DIN-rail mounting for convenient installation in electrical distribution boards.