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HRN-56/480 Voltage monitoring relay in 3P with adjustable level Umin by Elko

Manufacturer: Elko
SKU: HRN-56/480
Availability: 9 in stock
Minimum Order Quantity is 1
Products specifications
Attribute nameAttribute value
Input480V/277V 3Φ, Supply voltage = Measuring voltage
Supply Voltage480V/277V 3Φ
FunctionalityPhase Failure, Phase Sequence
Contact1CO, SPDT
LEDGreen, Red


  • Relay  monitors phase sequence and  failure (e.g. control of correct motor winding etc.).
  • Relay is designated for monitoring of 3-phase networks.
  • Supply from all phases which means that relay is functional also in case of one phase failure
  • Supply and monitored supply Un: HRN-56/480 - 3x 480 V
  • Fixed delay t1 (500 ms)
  • Adjustable delay t2 (0.1 - 10 s)
  • Fixed delay t3 (max. 1 s)