Siemens siprotec 7SA6 - Page 787

Appendix
A-637SA6 Manual
C53000-G1176-C156-2
Figure A-45 Voltage connections to two V-connected voltage transformers with
additional open-delta windings (da–dn–winding) from the busbar
Housing Size
1
/
2
(Figures in Brackets Relating to Size
1
/
1
)
Panel Surface Mounted
Flush Mounted/Cubicle
L1
L2
L3
R15
R17
R18
U
L1
U
L2
(45) 20
(44) 19
(94) 44
U
L3
7SA6
R16 (95) 45
R13
U
4
(46) 21
R14 (96) 46
A
B
da
dn
a
b
A
B
A
Bb
a
Housing Size
2
/
3
Flush Mounted/Cubicle
L1
L2
L3
R15
R17
R18
U
L1
U
L2
U
L3
7SA6
R16
R13
U
4
R14
A
B
da
dn
a
b
A
B
A
Bb
a