11
Instruction Manual
CVM-C4
3�4�- CONNECTION DIAGRAM
3�4�1�- THREE-PHASE NETWORK MEASURING WITH 4-WIRE CONNECTION
1
2
L1
L2
L3
N
CARGA / LOAD
U1
U2 U3 UN
U1
U2
U3
UN
S1 S2 S1 S2 S1 S2
I1
I2
I3
U1
U2 U3 UN
+
-
Alimentación Auxiliar
Power Supply
S2
S1
P2
P1
S2
S1
P2
P1
S2
S1
P2
P1
b
a
B
A
b
a
B
A
b
a
B
A
Power
Supply
58
49 50
2
1
4
5
6
7
8
9
11
12 13
14
47 48
59 70 71 72
15 16 17 18
Figure 5: Three-phase network measuring with 4-wire connection�