Contrel RI-R44-V Insulation monitoring Owner's Manual

Contrel RI-R44-V Insulation monitoring is designed for monitoring the insulation of IT systems up to 440 VAC. This device allows you to control the insulation resistance by applying a DC component measure signal between the insulated line and earth, detecting the generated leakage current. With its LCD display, the device provides instant insulation value visualization, and you can configure automatic or manual resetting. The RI-R44-V can be equipped with a RS-485 interface with Modbus RTU protocol for integration into supervision systems.

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Contrel RI-R44-V Insulation Monitoring Manual | Manualzz

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Key features

  • Insulation Monitoring up to 440 VAC
  • LCD Display
  • Automatic/Manual Reset
  • RS-485 Interface (Optional)
  • Modbus RTU Protocol
  • TRIP Relay Output
  • Preventive Alarm Threshold
  • Minimum Insulation Value Memory

Frequently asked questions

The RI-R44-V can monitor IT systems up to 440 VAC. However, with the ARI-R100 accessory, the voltage limit can be extended to 1000 VAC.

The RI-R44-V offers both automatic and manual reset options. You can configure the reset mode using the RESET key and select either MAN (manual) or AUTO (automatic) reset.

Yes, the RI-R44-V can be equipped with an RS-485 interface with Modbus RTU protocol, allowing for integration into supervision systems.
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