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IR423 - A-ISOMETER - Insulation monitoring device

Description

The IR423 A-ISOMETER® monitors the insulation resistance RF of an unearthed AC system of 0…300 V to earth that is supplied by a mobile generator according to IEC 60364-5-551 (DIN VDE 0100-551).

Features

  • Insulation monitoring for mobile gene- rators AC 0…300 V.
  • Option “W”: For high mechanical stress when using the protective measure “Protective separation with insulation monitoring and disconnection”.
  • Two separately adjustable response values.
  • Connection monitoring system / earth.
  • Power On LED, LED Alarm 1, LED Alarm 2.
  • Internal and external test / reset button.
  • Two separate alarm relays (one changeover contact each).
  • N / O.

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Datasheet Details

Part number IR423
Manufacturer Bender
File Size 269.39 KB
Description A-ISOMETER - Insulation monitoring device
Datasheet download datasheet IR423 Datasheet

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Full PDF Text Transcription

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A-ISOMETER® IR423 Insulation monitoring device for mobile generators DB101013en / 09.2006 A-ISOMETER® IR423 Insulation monitoring device for mobile generators Product description The IR423 A-ISOMETER® monitors the insulation resistance RF of an unearthed AC system of 0…300 V to earth that is supplied by a mobile generator according to IEC 60364-5-551 (DIN VDE 0100-551). The IR423 is suitable for AC systems with operating frequencies ≥ 30 Hz as well as for AC systems with directly connected DC circuits. The maximum permissible system leakage capacitance Cemax is 5 μF.
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