... 3.Multi-functional 4.Infrared,RS485 5.IEC62053-21 DTSD5168 Three phase electronic multifunction watt-hour meter FUNCTIONS AND FEATURES♦ Front board ... ), 3(6), 5(20), 10(40), 15(60), 20(80), 30(100)Reactive Class2.03 x 1001.5(6), 3(6 ... ), 3(6), 5(20), 10(40), 15(60), 20(80), 30(100) MAIN TECHNICAL PARAMETER Voltage Circuit Power Consumption ≤2W Operation ...