3VA1450-4EF32-0AA0 - circuit breaker 3VA1 IEC frame 630 breaking capacity class S Icu=36kA @ 415V 3-pole, line protection TM240, ATAM, In=500A overload protection Ir=350A...500A short-circuit protection Ii=5...10 x In nut keeper kit 15-20 gün tə