The Selec MFM374 Electrical Panel Meters is a Multifunction Meters which can indicate voltage, current, power, power factor, frequency and energy in operation of equipment, machinery, systems or processes in a wide range of industrial applications. It consists of LED display 3 rows of 4 digits, 8 digits for energy. Comprises of Input type: 3ø-4, 3ø-3, 2ø-3, and1ø-2 wire, 5A max and a Programmable CTPT primary and secondary. Supply Voltage: 85 to 270V ACDC (5060 Hz).