Siemens SIPROTEC 5 Manual page 100

System Functions
3.7 General Notes for Setting the Threshold Value of Trigger Functions
[sc5amper-270213-01.tif, 1, en_US]
Figure 3-49
Change the secondary rated current of the current transformer in the setting sheet of the transformer data
from 1 A to 5 A in the Power-system data in the Measuring point I-3ph (Edit mode: Secondary).
[scabfrag-280113-01.tif, 1, en_US]
Figure 3-50
If you change the transformer data, a window will appear (see the following figure) that will ask you for the
action desired.
100
Secondary Values at a Transformer Rated Current of 1 A
Switchover to the Desired Setting View
SIPROTEC 5, Fault Recorder, Manual
C53000-G5040-C018-5, Edition 11.2017