Microcontroller based
Supply voltage measurement (True RMS)
Overvoltage, undervoltage, phase failure, asymmetry and
phase sequence protection
Protection parameters setting by knobs
Supply voltage:RD-MV35,36,37: 208V,220V,240V,380V,400V,415V,460V,480V RD-MV35N,36N,37N: 220V,230V,240V?
N phase failure protection for RD-MV35N/36N/37N
2 module DIN rail housing
Three phase voltagemonitoring relay is used to protect the three-phase electric motors supplied from three-phase mains, against phase failure, incorrect phase sequence, voltage asymmetry, over and under voltage.

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