... ×72suqare7272666680686848×48suqare48484444704545 4.Technical parametersTechnical parameters Index Input VoltageRated valueAC57.7V,100V,220V,380VOverloadConsistent 1 ... Frequency45-65HZ(Available in 30%—120% of voltage scope)MeasuringaccuracyVoltage,current±(0.5%FS+digital) ... 10%,0/60HZConsumption<5VA SafetyWithstand voltage>2KV 50HZ/1minInsulating resistanceAny two of input,output ,source,dasing>20mΩ ...