E. Dold & Söhne GmbH & Co. KG

Tel.: +49 7723 654-0
E-Mail: dold-relays@dold.com

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Tel.: +49 7723 654-454
E-Mail: ab@dold.com

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E-Mail: rv@dold.com

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EH 5878

Insulation Monitor

EH 5878

Contacts

Auxiliary voltage

Alarm value

Variant

  • 0031929
  • EH5878.05 AC24,42,230,400,500V 50K
Monitoring of the resistance to earth in ungrounded single- and 3-phasevoltage systems. more

Product description

Monitoring of the resistance to earth in ungrounded single- and 3-phasevoltage systems.

Technical specifications

Type: EH 5878
Width: 96 mm
Response value: 50 kΩ
IMD type: AC
Enclosure design: Front panel mounting
With auxiliary voltage: +
Nominal voltage IT system: AC 0 - 500 V
Connection for indicator: +
Response value type: Fest

Features

  • According to IEC/EN 61 557-8
  • For single- and 3-phase AC-voltage systems
  • Fixed response value RAN
  • Closed circuit operation
  • Programmable for:
  • - manual reset (bridge X5 - LT1)
  • - automatic reset (without bridge)
  • Reset button LT1
  • Test button to check the function of the device
  • External test and reset buttons can be connected
  • LED indicators
  • 1 changeover contact
  • External connection of indicating instrument possible
  • Frontside 96 x 96 mm