SIEMENS 3RV2021-1JA20-0BA0 – Circuit breaker | JUAL SIEMENS 3RV2021-1JA20-0BA0 – Special type Circuit breaker size S0 for motor protection, CLASS 10 A-release 7…10 A N release 130 A Spring-type terminal Standard switching capacity Ambient temperature -50 °C 500 switching cycles