Siemens siprotec 7SJ63 - Page 537

Appendix
A-437SJ63 Manual
C53000-G1140-C120-1
Figure A-38 Current connections to two current transformers and a core balance neutral cur-
rent transformer for sensitive ground fault detection – only for ungrounded or
compensated networks
Panel Surface Mounted
Flush-mounted/Cubicle
A B C
Q1
Q3
Q5
Q2
Q4
Q6
Q7Q8
Important! Cable shield grounding must be done on the cable side!
Note: Change of Address 0201 setting changes polarity of I
NS
Current
Input !
25
24
23
47
50
49
48
22
7SJ63
I
NS
Ia
Ib
Ic
Size
1
/
2
Panel Surface Mounted
Flush-mounted/Cubicle
A B C
Q1
Q3
Q5
Q2
Q4
Q6
Q7Q8
Important! Cable shield grounding must be done on the cable side!
Note: Change of Address 0201 setting changes polarity of I
NS
Current
Input !
50
49
48
97
100
99
98
47
7SJ63
I
NS
Ia
Ib
Ic
Size
1
/
1
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