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N
VT
N
CT
X4
1
2
57-240
0.2/1A
S1
P1
P2
S2
Positive
Current
Direction
L1 L2 L3
SIM1902
X1
1
2
7
8
DFF
Sensor I
Sensor U
DFF
X2
DFF
DFF
X3
DFF
DFF
3
4
Sensor I
Sensor U
Sensor I
Sensor U
s1
s2
s1
s2
s1
s2
(for residual
current only)
1
2
7
8
1
2
7
8
Figure 74: SIM1902 module (VT primary connection phase-to-phase)
Connecting
1MRS759115 E
80
REX640
Installation Manual
Summary of Contents for RELION REX640
Page 1: ... RELION PROTECTION AND CONTROL REX640 Installation Manual ...
Page 2: ......
Page 3: ...Document ID 1MRS759115 Issued 2023 02 10 Revision E Copyright 2023 ABB All rights reserved ...
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