Generally, one line of the current transformers secondary must be grounded close to the
CT.
Schematic and terminals
Fig. 52: Current measuring - System B - wiring (example)
Terminal Description A
max
A 8 System B current - L1 2.5 mm²
B 7 System B current - L1 (GND) 2.5 mm²
Tab. 8: Current measuring - System B - terminal assignment (example)
3.3.5.2.1 Parameter Setting 'Phase L1' 'Phase L2' 'Phase L3'
Schematic and terminals
L1
L2
N
L3
I
SyB L1
L1
L2
N
L3
I
SyB L2
L1
L2
L3
I
SyB L3
Phase L1
Phase L2
Phase L3
N
Fig. 53: Current measuring - system B, 'Phase L1' 'Phase L2' 'Phase L3'
Wiring terminals
B A
61LS-5 v2 Series37650
3 Installation
3.3 Setup Connections