THREE PHASE ELECTRONIC WATTHOUR METER

SPECIFICATION:Used for AC three phase active energy measuring(three phase three wire, three phase four wire)Wall-mounted installation type, smart designDisplay type: mechanical counter, unit is kWh, record accumulated total active energy.Display range: 5+1, 6+1Accuracy active energy measuring, no need degugging for long time workSTANDARDS:According to IEC62053-11 standardAccording to IEC62053-21 standardFUNCTIONS:Total energy= positive active+negative active Indicate of reverse electricityIndicate of open phase fault of A/B/C phaseDisplay data after power off (mechanical counter)TECHNICAL SPEC.Reference voltage (Un): 3×110V,3×120V,3×220V,3×230V,3×240V Normal work voltage: 80%~120%UnLimit work voltage： 70%~130%UnCurrent spec. Ib (Imax): 3×1.5(10)A(CT connection)3×5(60)A, 3×5(100)AReference frequency：50Hz, 60HzStarting current： 0.004IbConnection type choice: CT connection or direct connectionImpulse constant：3200imp/kWh,400imp/kWhStandard level：1.0class,2.0classPower consumption of meter：<0.6WWorking life：not less than 10 yearsData store: data will always be stored after power off (mechanical counter)Impulse output: LED impulse, optical coupler outputImpulse width: 80±20ms Size of the appearance:（mm）：230*144*72WORKING ENVOIRENMENT:Working temperature: -35℃~70℃Limit working temperature: -40℃~80℃Store and ship temperature: -40℃~85℃Relative humidity:：=<95%Atmospherie pressure：63kPa~106.0kPa