ABB RELION REX640 Technical Manual page 1730

Section 13
Protection relay's physical connections
1724
L1 L2 L3
Positive
Current
Direction
s1
s2
s1
s2
P1
S1
S2
P2
GUID-D37ABF6A-CE39-4293-8D4B-1DA95A077D27 V1 EN
Figure 891: SIM1001 module
s1
s2
1MRS759142 C
SIM1001
X1
4
Sensor I
5
DFF
7
Sensor U
8
DFF
X2
4
Sensor I
5
DFF
7
Sensor U
8
DFF
X3
4
Sensor I
5
DFF
7
Sensor U
8
DFF
X4
57-240
1
VT
N
2
0.2/1A
3
(for residual
CT
N
current only)
4
Technical Manual
REX640