The Selec EM306-A energy meter is Digital Panel Meters which can indicate energy, power, power factor in operation of equipment, machinery, systems or processes in a wide range of industrial applications. It consists of LED display. Comprises of Input type: 3ø-4 wire and 1ø-2 wire input type and a Programmable CT PT primary and secondary. Supply Voltage: 90 to 270V ACDC (5060 Hz).