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Appendix
A-52
P2
S2
S1
P1
L1
L2
L3
S2
P2
P1
S1
Important! Cable shield grounding must be done on the cable side!
Note:
P2
S2
S1
P1
L1
L2
L3
S2
P2
P1
S1
Important! Cable shield grounding must be done on the cable side!
Note:
Housing Size
Figure A-32
Current connections to three current transformers with separate earth current
transformer (summation current transformer or
tranformer)
Panel Surface Mounted
Flush Mounted/Cubicle
I
L1
15
Q1
I
L2
14
Q3
I
L3
13
Q5
I
4
27
Q8
7SA6
Change of Address 0201 setting changes polarity of 3I
Input, i.e. terminal Q7 must be connected to that CT terminal
pointing in the same direction as the starpoint of the phase current
CTs (towards "Line side" in this diagram)
Housing Size
Panel Surface Mounted
Flush Mounted/Cubicle
I
L1
(50) 25
Q1
I
L2
(49) 24
Q3
I
L3
(48) 23
Q5
I
4
(97) 47
Q8
7SA6
Change of Address 0201 setting changes polarity of 3I
Input, i.e. terminal Q7 must be connected to that CT terminal
pointing in the same direction as the starpoint of the phase current
CTs (towards "Line side" in this diagram)
1
/
(Figures in Brackets Relating to Size
2
Q2
30
Q4
29
Q6
28
Q7
12
Current
0
1
/
3
Q2
50 (100)
Q4
49 (99)
Q6
48 (98)
Q7
22 (47)
Current
0
1
/
)
1
cable core balance
current
7SA6 Manual
C53000-G1176-C156-2
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