... and fully closed, good mechanical performance and environment resistance, good voltage seperation and insultation property, small volume, low weight, good in ... power wattmeter, electric power monitering meter, Voltage monitoring and measurement. Part NoElectrical SpecificationMechanical Dimmension(mm)Input voltageCurrent Ratio(Ω)Burden ResistanceAccuracyABCDEFGPT011100V,150V,220V380V450V0 ...