The Siemens SIRIUS 3RA2110-1EA15-1AP6 is a non-fused motor starter in the 3RA2 series, size S00 — a compact direct-starter package that combines a contactor and a thermal (bimetallic) overload relay in one unit, saving panel space over separate components. Rated for AC-3 switching duty up to 690 V, it handles motor loads up to 1 500 W at 400 V (2 hp at 460/480 V), making it a fit for small three-phase induction motors on pumps, fans, and conveyors in control panels.
Width is 45 mm, depth 97.1 mm, height 167.2 mm. Mounting position is vertical only. Clearance: 20 mm upwards, 10 mm downwards, 9 mm at the side — no space needed forwards or backwards, which eases tight gland-plate layouts.
The supplied contactor is a 3RT2015-1AP61 and the supplied link module is a 3RA1921-1DA00, both current-production items that share the same S00 platform, so replacement modules are straightforward to source.