ION7400 series power analyzer for front installation in low and medium voltage applications without display. Installation on DIN rail, accuracy class 0.2S. 4-quadrant measurement, import and export for active and reactive energy, active, reactive, apparent energy meters per phase and separate active energy meters with tariff selection via weekly timer, communication or contact. Current, voltage (average and per phase), current average, active, reactive, apparent power, power factor (total and per phase), power averages. Frequency, min and max values of the instantaneous values, max values of the current and power averages. Harmonic content THD I, THD U and TDD, harmonic analysis - measured values per phase with bar chart up to the 127th via software. Harmonic on the device display, up to the 63rd. Threshold monitoring and alarm: self-learning threshold with alarm via display or communication. 52 data recorders with 16 channels each for recording true RMS values (minute, second or 10ms values), event recorder with time stamp in milliseconds. Extended fault recorder function for network oscilloscope in the event of an event with up to 256 samples/period. for various trigger events via EcoStruxure Power Monitoring Expert with recording duration over 210 periods or > 4s with high sampling. High memory depth with 512 MB. Note: the accessories of the PM8000 are used as I/O modules, display and spare parts for ION7400.