Din rail mounting energy meter . Measure 3 phase voltage , current , Hz , active power , reactive power , power factor , Kwh ( function(){ var aBigImageSrc = [ 'http://i01 ... AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); GQ Series 3 Phase Multi-function Energy Meter