Siemens 3RV2021-4NA10 Circuit breaker size S0 for motor protection
https://www.sawab.app/shop/3rv2021-4na10-siemens-3rv2021-4na10-circuit-breaker-size-s0-for-motor-protection-1908
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Circuit breaker size S0 for motor protection, CLASS 10 A-release 23...28 A N-release 364 A screw terminal Standard switching capacity