35mm standard DIN rail installation, complying with standard DIN EN50022.Standard configuration 6+1 digits display (999999.1kWh) ModelAccuracyReferencevoltage (V)Currentspecifications (A)Startingcurrent (A)Insulationperformance TGD015SSClass 11272305(30)0.02AC voltage 4kV for 1 minute, 1.2/50us waveformimpulse voltage 6kV din-rail meter(TGD015SS)