The SIRIUS circuit breaker 3RV2011-0AA10 from Siemens in size S00 is a compact, current-limiting circuit breaker for load feeders up to 0.04 kW at AC-3/400 V. Due to a short-circuit protection of 2.1 A and an adjustable overload protection of 0.11-0.16 A, the circuit breaker 3RV2011-0AA10 is ideally suited for the protection of motors.