Siemens Circuit breaker for motor protection, screw, size S00, 13ACircuit breaker size S00 for motor protection, CLASS 10 A release 0. 7 1 A N release 13 A Screw terminal Standard switching capacity Circuit breaker SIRIUS 3RV1 For motor protection for the reliable shutdown in the event of a short circuit and for protecting the loads and system against overload, and for safe isolation of the system from the network. Thanks to their low heat loss, these compact and climate proof circuit breakers are optimized for use