Siemens 6MD85 Manual page 1224

Appendix
A.6 Connection Examples for Current Transformers
[tileite3-260313-01.tif, 3, en_US]
Figure A-14
NOTE
i
i
The switchover of current polarity at the 3-phase current transformer causes a rotation in the direction of
electric current for current input I4 (I
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Figure A-15
1224
Connection to a 3-Wire Current Transformer and Cable Type Current Transformer for Sensitive
Ground-Fault Detection
)!
N-sep
Connection to a 3-Wire Current Transformer and Measured Ground Current from a Complete
Holmgreen Connection
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017