The Siemens SENTRON 5SQ2360-0KA10 is a 3-pole miniature circuit breaker (MCB) with a B-curve tripping characteristic, rated at 10 A and 400 V AC/DC. The B-curve means it trips between 3 and 5 times rated current (30–50 A), which suits resistive and general-purpose loads where inrush is modest — lighting, socket outlets, small control transformers. For motor circuits or capacitive loads with higher inrush, a C-curve sibling would be the call.
Occupies 3 width units (roughly 54 mm) on a standard DIN rail, with an installation depth of 55 mm. The AC/DC voltage rating means it can switch DC control circuits as well as AC power, though the 3 kA breaking capacity is rated per EN 60898 for AC; DC derating applies per the manufacturer's data.