The Acti9 iEM2100 series energy meters offer single-phase din -rail energy meters ideal for basic metering. The product family can be used to monitor energy consumption for each sector, unit or laboratory and to assign electrical systems for building management. It includes an 8-character LCD display and a red LED indicator to display the measured electrical parameters. The device measures active and reactive power, active and reactive energy, voltage and current, and ensures active energy measurement accuracy of class 1 according to IEC 62053-21. Suitable for a 230VAC network with a supply voltage range of 96 to 276 VAC at 50 or 60 Hz. Direct measurement of connection current up to 63A with 32 samples per cycle only in single-phase and neutral configuration. The communication protocol is.