3�6�- Connection Diagram; And Cvm-E3-Mini-Itf-Wieth - Circutor CVM-E3-MINI-ITF Instruction Manual

3.6.- CONNECTION DIAGRAM
3�6�1�- MEASURING THREE-PHASE NETWORKS WITH A 4-WIRE CONNECTION: CVM-
E3-MINI-ITF AND CVM-E3-MINI-ITF-WiEth
Figure 6: Three-Phase measuring with a 4-wire connection: CVM-E3-MINI-ITF and CVM-E3-MINI-ITF-WiEth�
16
Measurement system:
V V V
L1 L2 L3
b a
a b
A B A
L1
L2
L3
CARGA / LOAD
N
To guarantee the insulation of the device and its category, it is nec-
essary to earth the S2 terminals of the transformers.
N
V
L3
V
L2
V
L1
S1
S2
S1
S2
S1
S2
V V
V N
L1 L2
L3
B
4-3Ph
13
Alimentación Auxiliar
12
Power Supply
11
10
1
2
3
4
5
6
S1 S2
P1 P2 S1 S2
P1 P2 S1
P1
Instruction Manual
CVM-E3-MINI
S2
P2