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CVM-C10
3�5�3�- MEASURING THREE-PHASE NETWORKS WITH A 4-WIRE CONNECTION CVM-C10-MC MODEL�
L1
L2
L3
N
Figure 6: Three-Phase measuring with a 4-wire connection, CVM-C10-MC model�
Note: Do not connect MC current transformers to ground.
The MC transformer secondary value is set to 0.250 A (fixed value)
Instruction Manual
Measurement system:
V
V
V
L1
L2
L3
V
V
L1
b
a
b
a
A
B
A
B
LOAD
Power
Supply
OUTPUTS
S0- S0+ S0+
RS485
A(+) B(-)
POWER SUPPLY
Rc R2 R1
Tc T2 T1
Ph-Ph
Ph-N
300V ~
520V ~
P1
P2
L1
V
V
V
N
L1
L2
L3
S1
S2
V
N
L2
L3
INPUTS
I1 I2
GND
P1
P2 P1
P2
L3
L2
S1
S2
S1
S2
17
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