The LUMEL PA39 KC0E500000 is an electronic part with a power meter, reactive power, analogue output, and panel mount that operates on a frequency of 50 Hz. It is designed for on-panel mounting and has analogue output. The power meter measures total power, reactive power, active power, maximum apparent power, and maximum power factor. It also has features such as 4 voltage ranges, 3 current ranges, an LCD display, direct data output, calibration functions, meter identification, and power and energy accumulation.