Monitoring voltage relay HRN-43N

  • THE FULL-FEATURED MONITORING RELAY IS USED FOR 3-PHASE NETWORK CONTROL, NETWORK MONITORING AND PROTECTION, VOLTAGE REGULATION FROM A GENERATOR OR HYDROPOWER PLANT.
  • MONITORING 3-PHASE MAINS:
  • A)    VOLTAGE IN 2 LEVELS: OVERVOLTAGE AND UNDERVOLTAGE
    B)    PHASE ASYMMETRY
    C)    PHASE SEQUENCE
    D)    PHASE FAILURE
  • FUNCTION MEMORY – MANUAL RESET, “RESET” BUTTON ON FRONT PANNEL.
  • SELECTABLE FUNCTION OF 2ND RELAY (INDEPENDENT / PARALLEL)
  • FIXED T1(200MS) AND ADJUSTABLE T2 (0.1 – 10 S) DELAY TO ELIMINATE SHORT VOLTAGE DROPS AND PEAK.
  • MONITORING RELAYS IN 2 VARIANTS:
  • HRN-43: FOR CIRCUITS 3×400 V (WITHOUT NEUTRAL)
    HRN-43N: FOR CIRCUITS 3×400/230 V (WITH NEUTRAL)
Categories: , , ,

• monitoring of 3-phase mains:
– voltage in 2 levels (undervoltage and overvoltage) in range 138-276 V
(3x 400 V / 230 V) or 280-480 V (3x 400 V)
– phase asymmetry (can be switched off )
– phase sequence
– phase failure
• adjustable function „MEMORY“
• function of second relay (independent / parallel)
• adjustable delay for short peaks for each level independently
• HRN-43: for circuits 3x 400 V (without neutral)
• HRN-43N: for circuits 3x 400 / 230 V (with neutral)
• galvanically separated supply voltage AC 400 V, AC 110 V, AC 230 V, AC/
DC 24 V
• output contact: 2x changeover 16 A / 250 V AC1
• 3-MODULE, DIN rail mounting

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