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Appendix
A.4
Connection Examples
A-40
A
B
C
A
B
C
Figure A-35 Current connections to three current transformers with a starpoint connection for
ground current(Grounded-Wye Connection with residual
mal circuit layout – appropriate for all networks.
Panel Surface Mounted
Flush-mounted/Cubicle
25
Q1
Ia
Ib
24
Q3
Ic
23
Q5
3I
22
Q7
0
7SJ63
1
Size
/
2
Panel Surface Mounted
Flush-mounted/Cubicle
50
Q1
Ia
49
Q3
Ib
Ic
48
Q5
3I
47
Q7
0
7SJ63
1
Size
/
1
Q2
50
Q4
49
48
Q6
47
Q8
Q2
100
Q4
99
98
Q6
97
Q8
Neutral Current), nor-
3I
0
7SJ63 Manual
C53000-G1140-C120-1
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