PM 1001606 000 07
Device handbook CENTRAX CU3000-CU5000
18/106
Four wire system, balanced load, current measurement via L1
Direct connection
If voltage U
NE
does not need to be measured,
connection of PE can be omitted.
With current transformer
If voltage U
NE
does not need to be measured,
connection of PE can be omitted.
With current and voltage transformer
If voltage U
NE
does not need to be measured, the
corresponding transformer can be omitted.
In case of current measurement via L2 or L3 connect the device
according to the following table:
Terminals
1
3
2
11
Current meas. via L2
I2(k)
I2(l)
L2
N
Current meas. via L3
I3(k)
I3(l)
L3
N
L1
L2
L3
N
I1
3
1
I2
4
I3
9
7
IN
PE
6
10
12
16
11
2
5
8
L1
L2
L3
N
5 A
(UL listed)
PE
L1
L2
L3
N
I1
3
1
I2
4
I3
9
7
IN
PE
6
10
12
16
11
2
5
8
L1
L2
L3
N
K
k
L
l
5 A
(UL listed)
PE
L1
L2
L3
N
I1
3
1
I2
4
I3
9
7
IN
PE
6
10
12
16
11
2
5
8
L1
L2
L3
N
K
k
L
l
5 A
(UL listed)
u
U
v
V
u
U
v
V
PE
