This universal energy meter from CCS measures bi-directional energy (kWh), power (kW demand), voltage, current, power factor, and 90+ Modbus registers. This Wide-Range meter works on all electrical services from 100 to 600 Vac, single-phase or three-phase, wye or delta. It can be powered line-to-neutral or line-to-line. This meter communicates with FUSION using Modbus® RTU over an RS-485 network. This meter is not factory programmed meaning that few parameters such as (CT rating, electrical service type, Modbus address and baud rate ), thus, it will have to be configured by qualified personnel or licensed electricians performing the meter installation and wiring.