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Summation Current Matching Transformer - Siemens SIPROTEC 7SS60 Manual

Centralized numerical busbar protection
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9.1.5

Summation current matching transformer

4AM5120-3DA00-0AN2
for connection to current
transformers with a
rated current I
of
N
Rated frequency f
N
Winding
Number of turns
Max. current,
continuous
Max. voltage
4AM5120-4DA00-0AN2
for connection to current
transformers with a
rated current I
of
N
Rated frequency f
N
Winding
Number of turns
Max. current,
continuous
Max. voltage
Thermal overload
capability
Weight
7SS60 Manual
E50417–G1176–C132–A2
1 A
45-60 Hz
A-B
3
A
4
V
1.2
5 A
45-60 Hz
A-B
1
A
17.5
V
0.4
max. thermal overload capability for all 2 transformer types under simultaneous load
of all turns
for 10 s
for 1 s
C-D
E-F
G-H
6
9
18
4
4
4
2.4
3.6
7.2
C-D
E-F
G-H
2
3
4
17.5
17.5
17.5
0.8
1.2
1.6
J-K
L-M
N-O
24
36
90
4
4
2
9.6
14.4
36
J-K
L-M
N-O
6
8
12
17.5
17.5
8.0
2.4
3.2
4.8
8 x I
N
20 x I
N
approx. 3.7 kg
Technical Data
Y-Z
500
0.85
200
Y-Z
500
0.85
200
9-9

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