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CVM-C10
3�5�11�- MEASURING TWO-PHASE NETWORKS WITH A 3-WIRE CONNECTION, CVM-C10-ITF-IN AND
CVM-C10-MC-IN MODELS�
V
L1
a
A
L1
L2
N
Figure 14: Measuring Two-Phase Networks with a 3-wire connection, CVM-C10-ITF-IN and CVM-C10-MC-IN models�
Note: Do not connect MC current transformers to ground.
(1)
CVM-C10-ITF-IN model:
The transformer secondary value must be 5A or 1A
CVM-C10-MC-IN model:
The MC transformer secondary value is set to 0.250 A (fixed value)
Instruction Manual
Measurement system:
N
V
L2
V
L1
b
a
b
B
A
B
LOAD
Power
Supply
OUTPUTS
RS485
INPUTS
A
A(+) B(-)
I1 I2
POWER SUPPLY
S2
S1
Rc R2 R1
LN
GND
P2
P1
Ph-Ph
Ph-N
300V ~
520V ~
P2 P1
P1
P2
P1
L1
L2
V
V
V
N
L1
L2
L3
S1
S2
S1
S2
S1
V
N
L2
S1
S2
P2
P1
S1
P1
P2
L3
S2
(1)
S2
P2
S1
S2
P1
P2
25
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