ABB RELION REX640 Installation Manual page 80

Connecting
Positive
Current
Direction
Figure 74: SIM1902 module (VT primary connection phase-to-phase)
80
L1 L2 L3
s1
s2
s1
s2
s1
s2
P1
S1
S2
P2
SIM1902
X1
1
Sensor I
2
DFF
7
Sensor U
8
DFF
X2
1
Sensor I
2
DFF
7
Sensor U
8
DFF
X3
1
Sensor I
2
DFF
7
Sensor U
8
DFF
X4
57-240
1
VT
N
2
0.2/1A
3
CT (for residual
N
current only)
4
Installation Manual
1MRS759115 E
REX640