Siemens siprotec 7SA522 User Manual page 568

Appendix
A-20
Figure 1-15 Voltage connections to three Wye-connected voltage transformers and addition-
ally to a bus-bar voltage (for synchronism check* or overvoltage protection)
* next firmware release
L1
L2
L3
Panel surface mounted
Flush mounted/cubicle
R15
20
19 R17
44 R18
45 R16
21 R13
46 R14
1
Housing size /
2
L1
L2
L3
Panel surface mounted
Flush mounted/cubicle
45 R15
R17
44
94 R18
95 R16
46 R13
96 R14
1
Housing size /
1
U
L1
U
L2
U
L3
U
4
7SA522
U
L1
U
L2
U
L3
U
4
7SA522
7SA522 Manual
C53000-G1176-C119-2