PM 1001606 000 07
Device handbook CENTRAX CU3000-CU5000
17/106
Three wire system, balanced load, current measurement via L1
Direct connection
With current transformer
With current and voltage transformers
In case of current measurement via L2 or L3 connect the device
according to the following table:
Terminals
1
3
2
5
8
Current meas. via L2
I2(k)
I2(l)
L2
L3
L1
Current meas. via L3
I3(k)
I3(l)
L3
L1
L2
By rotating the voltage connections the
measurements U12, U23 and U31 will be
assigned interchanged!
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
5 A
(UL listed)
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
K
k
L
l
5 A
(UL listed)
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
K
k
L
l
5 A
(UL listed)
u
U
v
V
u
U
v
V