What it is and what it does
The FUJI Electric FRN4.0G1E-4E is a motor drive — an inverter — from the FRENIC series, classified under Motor Drives in the Motors & Motor Controls category. It converts fixed-frequency AC line power to variable frequency and voltage for controlling the speed and torque of an AC induction motor, which is the core function of this class of part on a production line or in a machine tool.