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IR420-D4-2 - Digital Ground Fault Monitor / Ground Detector Ungrounded (Floating) AC Systems

Download the IR420-D4-2 datasheet PDF. This datasheet also covers the IR420-D4 variant, as both devices belong to the same digital ground fault monitor / ground detector ungrounded (floating) ac systems family and are provided as variant models within a single manufacturer datasheet.

Description

The A-ISOMETER® IR420-D4 monitors for ground faults in ungrounded AC systems from 0 to 300 V by measuring the system's insulation resistance.

The IR420-D4 is designed to provide predictive maintenence and detect ground faults in ungrounded systems before leakage current may even be present.

Features

  • Insulation monitoring for ungrounded, low-voltage circuits AC 0…300 V.
  • Two separately adjustable response values.
  •  Preset function (automatic assignment of basic parameters).
  • Connection monitoring.
  • LEDs: Power On, Alarm 1, Alarm 2.
  • Internal/external test/reset button.
  • Two separately adjustable SPDT contacts.
  • Normally energized or normally de-ener- gized operation.
  • Latching or non-latching behavior.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (IR420-D4-BENDER.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number IR420-D4-2
Manufacturer BENDER
File Size 639.20 KB
Description Digital Ground Fault Monitor / Ground Detector Ungrounded (Floating) AC Systems
Datasheet download datasheet IR420-D4-2 Datasheet

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Other Datasheets by BENDER

Part Number Description
IR420-D4-1 Digital Ground Fault Monitor / Ground Detector Ungrounded (Floating) AC Systems
IR420-D4 Digital Ground Fault Monitor / Ground Detector Ungrounded (Floating) AC Systems
IR420-D4 Installation Bulletin / Reference Guide
IR423 A-ISOMETER - Insulation monitoring device

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
1 IR420-D4 Series Digital Ground Fault Monitor / Ground Detector Ungrounded (Floating) AC Systems Technical Bulletin NAE1012090 / 04.2011 BENDER Inc. • 700 Fox Chase, Coatesville PA 19320 • Ph: 800-356-4266 / 610-383-9200 • Fax: 610-383-7100 A-ISOMETER® IR420-D4 Ground Fault Monitor / Ground Fault Relay for Ungrounded AC Systems less than 300 V Product description The A-ISOMETER® IR420-D4 monitors for ground faults in ungrounded AC systems from 0 to 300 V by measuring the system's insulation resistance. The IR420-D4 is designed to provide predictive maintenence and detect ground faults in ungrounded systems before leakage current may even be present. An external supply voltage is required to power the device.
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