SIEMENS 3RV2021-1GA20-0BA0 – Circuit breaker | JUAL SIEMENS 3RV2021-1GA20-0BA0 – Special type Circuit breaker size S0 for motor protection, Class 10 A-release 4.5…6.3 A Short-circuit release 82 A Spring-loaded terminal Standard switching capacity Ambient temperature -50 °C 500 switching cycles