Siemens SIPROTEC 7SA6 Manual page 770

Distance protection relay for all voltage levels
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Appendix
Figure A-27
General Diagram 7SA642
A-46
Protection Interface
or Analog Output
Sevice Interface
System Interface
or Analog Output
Time Synchronisation
Earthing at the
Rear Wall
Operator
Front Serial
Operating Interface
Panel
B/K (Mounting with detached operator panel)
D
C
B
A
Earthing at the
Rear Wall
7SA6 Manual
C53000-G1176-C156-2

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