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circuit breaker 3VA2 IEC frame 1250 breaking capacity class H Icu=85kA @ 415 V 3-pole, line protection ETU350, LSI, In=1250A overload protection Ir=500A ...1250A short circuit protection Isd=1,5... 10 X Ir, Ii=10 x In nut keeper kit circuit breaker 3VA
