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Four wire system, unbalanced load
L1
L2
L3
N
PE
1
3
I1
K
L
L1
K
L2
k
L3
k
N
PE
1
3
I1
K
L
L1
K
L2
k
L3
k
N
1
3
I1
P10 Rev A
4
6
7
9
10
12
PE
I2
I3
IN
L
K
L
K
L
k
k
4
6
7
9
10
12
PE
I2
I3
IN
L
K
L
K
L
k
k
4
6
7
9
10
12
PE
I2
I3
IN
Device handbook LINAX PQ3000-PQ5000
5 A
(UL listed)
11
2
5
8
16
N
L1
L2
L3
5 A
(UL listed)
16
11
2
5
8
N
L1
L2
L3
U
U
U
X
X
X
x
x
x
u
u
u
5 A
(UL listed)
16
11
2
5
8
N
L1
L2
L3
Direct connection
If current I
or voltage U
does not need to be
N
NE
measured, connection of IN and PE can be
omitted.
Maximum permissible rated voltage
300V to ground (520V ph-ph)!
With current transformer
If voltage U
does not need to be measured,
NE
connection of PE can be omitted.
If current I
does not need to be measured, the
N
corresponding transformer can be omitted.
With current and voltage transformer
If current I
does not need to be measured, the
N
corresponding transformer can be omitted.
17/102
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