Siemens Circuit breaker for motor protection, size S00, 0.8/10AProduct Overview The Siemens 3RV2011 0HA10 is a compact motor protection circuit breaker (motor starter protector) from the SIRIUS 3RV2 family, size S00. It provides thermal magnetic overload and short circuit protection for small motors and devices. The unit is built for three phase circuits and is suitable for protecting motors or feeders against overload and phase failure conditions, combining protective functions in one compact device. Key