Siemens 3RV2011-1HA10 — SIRIUS 3RV20 motor protection circuit breaker, frame size S00. Rated 0.11 to 16 A adjustable, up to 100 kA short-circuit breaking, IEC 60947-4-1 type-2 coordination with paired 3RT2 contactor. SIRIUS 3RV2 MPCB 5.5-8A, trip class 10. Motor protection up to 3kW at 400V. Direct-mounting kit 3RA2911-2AA00 links to 3RT2 contactors. Installed as the primary motor branch-circuit protection device between the incoming feeder and the contactor.