3RV1021-1GA10 Siemens Circuit breaker size S0 for motor protection CLASS 10 A-release 4.5...6.3 A Short-circuit release 82 A Screw terminal Standard switching capacity
3RV1021-1KA10 Circuit breaker size S0 for motor protection CLASS 10 A-release 9...12.5 A Short-circuit release 163 A Screw terminal Standard switching capacity