circuit breaker 3VA2 IEC Frame 400 breaking capacity class M Icu=55 kA @ 415 V 3-pole, line protection ETU320, LI, In=400 A overload protection Ir=160 A...400 A short-circuit protection Ii=1.5...10 x In nut keeper kit Molded case circuit breaker SENTRON SENTRON 3VA molded case circuit breakers - One system. For all applications.

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