... scope The NSD series plastic outer covering type circuit breaker is suitable in exchanges 50/60Hz, the ... value 100, 300, 500 mA 33 adjustable, operating time 200mS fixed not adjustable.TypeEZC 60EEZC60BEZC100DEZC160DEZC250DPoles number33333Rated current ... 60, 75, 80, 100125, 160200, 225, 250Rated operating voltageUe(V) (50/60Hz)500500500500500Rated insulation voltageUi(V)500500500500500Rated impuse ...