The energy meter is ideal for stand al1-and systems based submetering applications. It is easy to install and provides exceptional metering accuracy. Available in basic and extended range models. The basic model is designed for metering of 120/240 and 208Y/120 V services. The extended range model will meter 120/240 V up to 480 V Wye connected services. Extended range meters come with pulse output and phase loss output not available on the Basic unit. Optional modbus and reg, RS485 serial communications are provided with the energy meter communication board, EMCB. Optional kW demand is also provided by the EMCB. Meter up to 3 individual services with 1-energy meter. The energy meter will allow the addition of up to 3 sets of parallel CTs for metering multiple electric loads. Additional sets of CTs can be ordered separately. Please refer to the multiple CT application notes in the energy meter instruction bulletin for the proper installation procedures.