A Din rail mounted digital electronic multifunction energy meter with dual pulse outputs as standard for interfacing with BMS systems, the meter also is suitable for consumer unit mounting. The POWER RAIL 350 is equally suitable for single phase and three phase loads, both 3 wire or 4 wire balanced or unbalanced. The meter is designed to measure accurately all types of loads inductive or resistive and electronically controlled loads. The POWER RAIL 350 benefits from fully isolated current inputs. A high speed internal RS485 MODBUS communications option allows all displayed information plus additional information to be read remotely. Also available is a Harmonics option this information is obtained via the RS485 MODBUS.