... 16,20,25,32,40,50,63Tripping curve:B,C,DRated short-circuit capacity(lcn):4.5KA,6KA, ... cause any current surges(lights or socket circuits etc.)C The short-circuit release is to be set ... which cause some current surges(groups of bulbs, motors etc.)D The short-circuit release is to be ... which cause high current surges(transformers,double-pole motors,motors with heavy start etc.)Nominal voltage:1P (single ...