digital single phase AC voltmeter 1.CCC CE approved 2.AC input and AC output ... parametersTechnical parameters IndexInput VoltageRated valueAC57.7V,100V,220V,380VOverloadConsistent 1.2 times instantaneous 2 times/30 secConsumption<1VA(each ... phase)Impedance>500kΩCurrentRated valueAC1A,5AOverloadConsistent 1.2 times instantaneous 2 times/30 secImpedance<20mΩ(each ...