RP07600/41 MOQ: 1

Isometer® Ir425-D4

The ISOMETER® of the IR425 series is designed to monitor the insulation resistance of un­earthed AC/DC control circuits (IT systems) 0…300 V. DC components existing in AC/DC systems do not influence the operating characteristics. An external supply voltage allows de-energized systems to be monitored too. Insulation monitoring for AC/DC control circuits 0…300 V Two separately adjustable response values Preset function (automatic setting of basic parameters) Connection monitoring system/earth LEDs: Power On, Alarm 1, Alarm 2 Internal/external test/reset button Two separate alarm relays (one changeover contact each) N/O or N/C operation, selectable Fault memory behaviour, selectable Self monitoring with automatic alarm Multi-functional LC display Adjustable response delay Two-module enclosure (36 mm) Push-wire terminal (two terminals per connection)

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