The Siemens SENTRON 5SQ2170-0KA02 is a 1-pole miniature circuit breaker with a C tripping characteristic, rated at 2 A and 3 kA breaking capacity per EN 60898 at 240 V AC, 50 Hz. It occupies a single width unit on a DIN rail — fits a standard 18 mm slot in a distribution board or panel.
Panel integration
Installation depth is 55 mm — standard for a modular DIN-rail device, no extra clearance needed behind the panel. IP20 rated, intended for dry indoor enclosures, not washdown areas.
