Monitoring voltage relay HRN-54N

  • SERVES TO MONITOR VOLTAGE , PHASE FAILURE AND SEQUENCE IN SWITCHBOARDS, PROTECTION OF DEVICES
  • SERVES TO MONITOR VOLTAGE , PHASE FAILURE AND SEQUENCE IN SWITCHBOARDS.
  • SUPPLY IS DONE FROM MONITORED VOLTAGE.
  • FIXED T1(500MS) AND ADJUSTABLE T2 (0.1 – 10 S) DELAY TO ELIMINATE SHORT VOLTAGE DROPS AND PEAK.
  • IN CASE SUPPLY VOLTAGE FALLS BELOW 60 %UN (UOFF LOWER LEVEL)RELAY IMMEDIATELY BREAKS WITH NO DELAY
  • IT IS POSSIBLE TO SET UPPER AND LOWER LEVEL OF MONITORING VOLTAGE.
  • MONITORING VOLTAGE RELAY IN 2 VARIANTS:

         HRN-54: SUPPLY FROM ALL PHASES WHICH MEANS THAT RELAY IS FUNCTIONAL ALSO IN CASE WHEN ONE               PHASE IS FAULTY
         HRN-54N: SUPPLY L1-N, MEANS THAT RELAY MONITORS ALSO FAILURE OF NEUTRAL WIRE

  • FAULTY STATE IS INDICATED BY RED LED AND BY BREAKING OUTPUT RELAY CONTACT.
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• It serves to monitor voltage, phase failure and sequence in switchboards, protection of devices in 3-phase mains.
• It is possible to set upper and lower level of monitoring voltage.
• Adjustable time delay eliminates short voltage peaks and failures in
the main.
• Supplied from monitored voltage.
• Faulty state is indicated by red LED and by opening of output relay
contact.
• Output contact 1x changeover / SPDT 8 A / 250 V AC1.
• In case supply voltage falls below 60 %Un (UOFF lower level) relay immediately opens without delay.
• HRN-54: supply from all phases which means that relay is functional
also in case when one phase is faulty.
• HRN-54N: supply L1-N, means that relay monitors also failure of neutral wire.
• 1-MODULE, DIN rail mounting.

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