Insulation troubleshooting
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Insulation troubleshooting

Evaluating test current signals - but correctly

Insulation fault locators are used in conjunction with Insulation monitoring devices, to localize insulation faults in unearthed power supplies in unearthed power supplies (IT systems). They detect the test current signals generated by the insulation monitoring device with measuring current Test current signals generated by the insulation monitoring device and evaluate them accordingly.

Insulation fault locators make it possible to localize the source of the fault within a short time and during operation.

Applications
  • Insulation fault location in AC, 3AC and DC IT systems
  • Main and Control circuits in industrial plants and ships
  • Diode-decoupled DC IT systems in power plants
  • Networks for medical used rooms

ISOSCAN EDS150/151 for medical areas

ISOSCAN EDS150 / EDS151

Insulation fault locator with 6 integrated measuring current transformers for localizing insulation faults for medical areas.

  • Insulation fault location in AC, AC/DC and DC IT systems
  • Main circuits in industrial plants, power stations and ships
  • IT systems for medical rooms and control circuits (EDS151 only)
Article no.
Type
Localization
Measuring range
EDS function
RCM function
Supply voltage AC
Supply voltage DC
B.91080101
EDS151 Isoscan
EDS151 Isoscan
Control circuit
0.5...2.5 mA
0.5 mA
1 A
17...24 V, 50...60 Hz
14...28 V
B.924201
AN450 power supply unit
AN450 power supply unit
Supplies max. 6 EDS150/151
230 VAC

ISOSCAN EDS440/441

ISOSCAN EDS440/441

Localization of insulation faults in unearthed DC, AC and three-phase power supplies (IT systems)

  • Insulation fault location in AC, 3AC and DC IT systems
  • Main and control circuits in industrial plants and ships
  • Diode-decoupled DC IT systems in power plants
  • Networks for rooms used for medical purposes
  • EDS440 for main circuits
  • EDS441 for control circuits
Article no.
Type
Localization
Supply voltage
Response value
LED display
B.91080201
ISOSCAN EDS440-S-1
ISOSCAN EDS440-S-1
Main circuit
24...240 VAC/DC
2...10 mA
-
B.91080202
ISOSCAN EDS440-L-4
ISOSCAN EDS440-L-4
Main circuit
24...240 VAC/DC
2...10 mA
X
B.91080205
ISOSCAN EDS441-L-4
ISOSCAN EDS441-L-4
Control circuit
24...240 VAC/DC
0.2...1 mA
X
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