DIN RAIL KWH Meter is according to EN62053-21. Frequency:50/60HZ. Single phase:220-240V. Rated impulse voltage:Uimp 6KV-1. 1. FeatureXDM 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 display total energy consumption by step type ...