ABB RELION REX640 - Page 1930

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 1027: SIM1902 module (VT primary connection phase-to-phase)
Protection relay's physical connections
1MRS759142 F
1930 REX640
Technical Manual