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Bender IR420-D6-1 ISOMETER®

Produktnummer: B71016415

ekskl. mva.

DC 9.6...94V/AC 16...72V. 42...460 Hz. Tilkobling via fjærklemmer

DC 9.6...94V/AC 16...72V. 42...460 Hz. Tilkobling via fjærklemmer

Bender IR420-D6 er en isolasjonsovervåker som er designet for å overvåke isolasjonsmotstanden i strømløs tilstand.

The offline monitor of the IR420-D6 series is designed to monitor the insulation resistance of loads in the de-energized state. These loads, usually temporarily 
operated or de-energized most of the time, e.g. fire extinguisher pumps, slide valve drives etc are supplied from TN, TT or IT systems. During the shut-down periods, 
hohwever, humidity or other effects may cause insulation faults in the wiring or the loads which may go undetected. Switching the device on may then lead to the tripping 
of the protective device or may even result in motor fires and the device cannot be operated. In combination with a coupling device, the Iso­meters can also be used for 
higher voltages.

Characteristics of ISOMETER® IR420-D6

  • Insulation monitoring for de-energised TN, TT and unearthed systems AC, 3(N)AC and DC
  • Nominal voltage extendable via coupling device
  • Two separately adjustable response values 100 kΩ…10 MΩ
  • LEDs: Power On LED, LEDs Alarm 1, Alarm 2 for signalling insulation faults
  • Combined test/reset button
  • Two separate alarm relays with one changeover contact each
  • Fault memory behaviour, selectable
  • Push-wire terminal (two terminals per connection)

Applications for ISOMETER® IR420-D6

  • De-energized loads such as automatic fire extinguisher pumps, emergency drives, ship cranes, slide-valve drives in supply lines (gas, water, oil), motor-driven closing systems, diving pumps, drives for anchors, elevators, flue-gas valves and stand-by generators.


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