... to meet the requirements of different cabinet body electric loop Technical specifications Measuring accuracy Active power Reactive ... Class0.5 Class0.5 ClassSingle-phase,Three-phase four-wire, three-phase three-wireAC57.7V,AC100V,AC220V,AC380VAC1A,AC 5AVoltager: 1.2-times ( ... (continuous), 10 times/5 seconds (instantaneous)Voltager <1VA/phase phase,Current <0.4VA/phaseVoltager >300KΩ,Current <20mΩ45~ ...