Features:35mm standard DIN rail installation, complying with standard DIN EN50022. 6 pole width, complying with Standards JB/T7121-1993.Can select the step motor impulse register of 5+1 digits (99999.1kWh) .Equipped with a polarity passive energy impulse output terminal, conforming to Standards IEC 62053-31 and DIN 43864.Two LED to indicate separately the power state and the energy impulse signalMeasure the active energy consumption in one direction on single phase two wire, which is not related with the load current flow direction at all, complying with Standards IEC 62053-21.The short terminal cover is made with the transparent PC, to reduce the installation space and is convenient for centralized installation.Specifications:Model: XTM75SAccuracy: Class 1Working Voltage: 220VCurrent: 10(40)AInsulation performance: AC voltage 4kv for 1 minute,1.2/50us waveform impulse voltage 6kvSize: 8.8 x 7.5cm / 3.46 x 2.95inWeight: 288gPackage included:1 x DIN-Rail Electric MeterNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..