ISOSCAN® EDS150/EDS151

The insulation fault locator EDS150/151 in conjunction with the ISOMETER® IRDH575 or the locating current injector PGH, are designed for insulation fault location in unearthed power supplies (IT systems). The locating current pulse generated by the ISOMETER® IRDH575 or the locating current injector PGH are detected using the integrated measuring current transformers and evaluated by … Continue reading ISOSCAN® EDS150/EDS151

The insulation fault locator EDS150/151 in conjunction with the ISOMETER® IRDH575 or the locating current injector PGH, are designed for insulation fault location in unearthed power supplies (IT systems). The locating current pulse generated by the ISOMETER® IRDH575 or the locating current injector PGH are detected using the integrated measuring current transformers and evaluated by the insulation fault locators. The integration of six measuring current transformers in an EDS150/151 permits all current-carrying conductors of an outgoing line to be routed through. The response time for an alarm message inclusively indication on the respective display device is max. 8 s (e.g. MK2430/MK800).

A total of 88 EDS150/151 devices can be connected via an RS-485 interface (BMS protocol). Hence, up to 528 circuits can be monitored. Activities on the BMS bus are indicated by an alarm LED.

Features :

  • Insulation fault location in AC, AC/DC and DC IT systems
  • 6 measuring channels with measuring current transformer per EDS150/151, each channel has separated alarm LED
  • Up to 528 measuring channels can be combined by the BMS bus in the IT system being monitored: 88 x 6 measuring channels
  • Response sensitivity EDS150: 5 mA, EDS151: 0.5 mA
  • A response time of up to 8 s in the AC system acc. to IEC 61557-9
  • RS-485 interface with BMS protocol
  • BMS address range 3…90
  • Cyclical self test

 

Applications :

  • Insulation fault location in AC, AC/DC and DC IT systems
  • DC main circuits in industrial plants, power stations and ships
  • IT systems for medical locations and control circuits (EDS151)

 

 

Type Supply voltage Art. No.
EDS150 AC 17…24 V, 50…60Hz/DC 14…28 V B91080103
EDS151 AC 17…24 V, 50…60Hz/DC 14…28 V B91080101

 

 

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