... to avoid occurrence of accident. The item is precise in structure, less elements, without auxiliary power and ... influenced by ambient temperature and lightning.Working principleSpecification Electrical featuresRated current InA16, 25, 32, 40, 63, 80, 100Type ... 6000Rated voltage UeV230/400Insulation voltage UiV500Rated frequencyHz50/60Short-circuit current IΔA4500, 6000Rated sensitivity IΔnA0.01, 0 ...