Low voltage selectivity with ABB circuit-breakers

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80 100 125 80 100 5 5* 5 250 160 200 250 320 320 250 320 160 250 320 11 8 8* 11 8 T T 12 T T T T T T 12 T 12 T T T T N,S H,L,V T4 I cu [kA] 15 ... non-tripping of the supply-side circuit-breaker is not guaranteed. ... zone By “short-circuit zone” one means the ranges of current values, and therefore the relative part of the trip curves of ...

  With, Breaker, Circuit, Voltage, Curves, Selectivity, Tripping, Low voltage selectivity with abb circuit breakers