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HRN3-80 Voltage monitoring relay in 3P - AC by Elko

Manufacturer: Elko
SKU: HRN3-80
Minimum Order Quantity is 1
Products specifications
Attribute nameAttribute value
Supply Voltage190~500 Vac
Contact1CO, SPDT
FunctionalityPhase Asymmetry, Phase Failure, Phase Sequence, Overvoltage, Undervoltage
LEDGreen, Red


  • It is used for monitoring of voltage, power failure, sequence and asymmetry of phases in a 3-phase voltage system
  • Wide range of the monitored voltage
  • It measures actual voltage eff ective value - TRUE RMS
  • Fixed overvoltage level (Umax), adjustable undervoltage level (Umin)
  • Adjustable time delay DELAY for elimination of short-time voltage peaks
  • Adjustable asymmetry level with optional switching off