Monitoring voltage relay
HRN-57N

It serves to monitor voltage in a switchboard, protection of devices in 3-phase main.

DESCRIPTION

  • It monitors value of voltage in 3-phase main.
  • It is possible to set upper and lower level independently.
  • Adjustable time delay eliminated short voltage peaks and failures in the main.
  • The device is supplied from monitored voltage.
  • Faulty state is indicated by red LED and by breaking output relay contact.
  • Output contact 1x changeover / SPDT 8 A / 250 V AC1.
  • Relay doesn’t monitor phase sequence.
  • HRN-57: supply from all phases, means that relay is functional also in case of failure in one phase.
  • HRN-57N: supply L1, L2, L3-N, means that relay monitors also failure of neutral wire.
  • 1-MODULE, DIN rail mounting.

TECHNICAL PARAMETERS

  • Voltage: 3x 400 V / 230 V / 50-60 Hz 
  • Burden: max. 2 VA / 1 W 
  • Max. permanent overload: AC 3x 265 V
  • Number of contacts: 1x changeover / SPDT (AgNi / Silver Alloy) 
  • Output indication: red LED
  • Mounting: DIN rail EN 60715 
  • Protection degree: IP40 from front panel / IP10 terminals 
  • Dimensions: 90 x 17.6 x 64 mm (3.5˝ x 0.7˝ x 2.5˝) 
  • Weight: 63 g (2.22 oz.)

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