Features:Energy meter with LCD backlight digital display, takes turns showing electricity consumption, voltage, current and power.AC220V50Hz voltage, 5A80A current, 17000W power, 1000impkwh pulse output and with pulse output indicator.35mm DIN Rail mounting; 17.5mm pole width; supports Upout andDownin Upin and Downout wiring method, easy to install.Adopt microelectronics and digital processing technology to measure electric energy, accurate and reliable.Large scale integrated circuits and precision SMT technology, with good electromagnetic interference resistance and stable performance.Specifications:Material: PlasticModel: DDM15SDAccuracy: First ClassReference Voltage: 220V50HzReference Current: 580ADisplay: LCD Backlight Digital DisplayInstallation: 35mm DIN RailPole Width: 17.5mmWiring Method: Upout andDownin Upin and DownoutPower: 17000WEnvironment Temperature: 20~+50Item Size: approx. 7.8 * 3.7 * 6.6cm 3.1 * 1.5 * 2.6inItem Weight: 200g 7.1ozPackage Size: 8 * 7 * 4cm 3.1 * 2.8 * 1.6inPackage Weight: 300g 10.6ozNote:This energy meter doesnt has the reset function.Package List:1 * Energy Meter