Siemens SIPROTEC 7SA6 Manual page 782

Distance protection relay for all voltage levels
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Appendix
P1
S1
Transformer
Figure A-39
Current connections to three current transformers and earth current from the star-point connection of an
earthed power transformer (for directional-controlled earth fault protection)
A-58
P2
S2
Housing Size
P2
S2
S1
P1
Line
2
/
3
Flush Mounted/Cubicle
I
L1
Q1
Q2
I
L2
Q3
Q4
I
L3
Q5
Q6
I
4
Q8
Q7
7SA6
7SA6 Manual
C53000-G1176-C156-2
L1
L2
L3

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