SIEMENS 3RV2021-4DA15-Z W97 – Circuit breaker | JUAL SIEMENS 3RV2021-4DA15-Z W97 – Circuit breaker size S0 for motor protection, Class 10 A-release 18…25 A N-release 325 A Screw terminal Standard switching capacity with transverse auxiliary switches 1 NO+1 NC Multi-unit packaging Pack = 12 units