Benning IT 120 B Kurzanleitung Seite 23

Measurements
3.6 Insulation monitoring in IT systems
 Set function
d Connection diagram
e Press the
f View results
Displayed results:
I : First fault current between L1 and PE lines
SC1
I : First fault current between L2 and PE lines
SC2
Note:
To enable these measurement, „IT" (IT system) must be set in the setup menu.
b Set sub-function
- Measurement of resi-
dual current in case of a
first fault (ISFL)
key
Insulation monitoring in IT systems
c Set parameters and limits
- Fault current
measurement
[ * mA without,
3.0 ÷ 20.0 mA]
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