Siemens Sirius 3RV2011-0HA15 is a size S00 motor protection circuit breaker (MPCB) in the 3RV2 family, designed to guard small motors against overload with an adjustable release in the 0.55–0.8 A range. It provides 690 V AC insulation with screw-terminal connections and includes a 1 normally open and 1 normally closed auxiliary contact for status signaling; the device supports standard switching with transverse auxiliary switches. Weighing about 0.292 kg, it is rated for operation from -20 to +60 °C and 10–95% relative humidity, and it offers up to 100,000 mechanical and electrical operating cycles.
