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Three wire system, unbalanced load
L1
L2
L3
1
3
4
I1
K
L
L1
K
L2
k
L3
k
1
3
4
I1
K
L
L1
K
L2
k
L3
k
1
1
3
3
4
4
I1
I1
P10 Rev A
6
7
9
10
12
PE
I2
I3
IN
L
K
L
k
6
7
9
10
12
PE
I2
I3
IN
L
K
L
k
6
6
7
7
9
9
10
10
12
12
PE
I2
I2
I3
I3
IN
IN
Device handbook LINAX PQ3000-PQ5000
5 A
(UL listed)
16
11
2
5
8
N
L1
L2
L3
5 A
(UL listed)
11
2
5
8
16
N
L1
L2
L3
U
U
U
X
X
X
x
x
x
u
u
u
5 A
(UL listed)
16
16
11
11
2
2
5
5
8
8
N
N
L1
L1
L2
L2
L3
L3
Direct connection
Maximum permissible rated voltage
300V to ground (520V ph-ph)!
With current transformers
With current and 3 single-pole isolated
voltage transformers
15/102
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