Siemens siprotec 7SA6 User Manual page 708

Appendix
Figure A-18 General Diagram 7SA642
A-32
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
Interference Suppression
Capacitors at the
relay contacts,
Ceramic, 4,7 nF, 250 V
7SA6 Manual
C53000-G1176-C133-1