ADM Single-phase Din-rail hours energy meter Conform to EN62053-21 Accuracy class 1,2 Frequency 50/60Hz Single phase 220-240V ADM Single-phase Din-rail hours energy meter1. FeatureADM is a kind of electronic Din rail watt-hour meter.It completely accords with relevant tech-nical requirements of class 1 and class 2. It can accurately and directly measure active energyconsumption. It also can ...