The SIRIUS circuit breaker 3RV23111HC10 from Siemens in size S00 is a compact, current-limiting circuit breaker for load feeders up to 3 kW at AC-3/400 V. Due to a short-circuit protection of 104 A and a rated current of 8 A, the circuit breaker 3RV23111HC10 is ideally suited for the protection of starter combinations.