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circuit breaker 3VA2 IEC frame 1000 breaking capacity class H Icu=85kA @ 415V 3-pole, line protection ETU350, LSI, In=800A overload protection Ir=320A...800A short-circuit protection Isd=1.5...10 x Ir, Ii=12 x In nut keeper kit 1 auxiliary switch HQ 1 tr
