CIRCUTOR CVM-B Series User Manual
Page 17
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Measurement system:
Secondary winding of the current transformer:
(MC3 type transformer)
Power
Supply
V
L1
V
L2
V
L3
L1
L2
L3
POWER SUPPLY
N
V
L3
L2
V
L1
V
V
L1
V
L2
V
L3
a
b
A
B
a
b
A
B
3P1
2P1
1P1
3P2
2P2
1P2
Br
own/Gr
een
Gr
ey/P
ink
Gr
een/W
hit
e
Red/Blue
S1 S2
S1
S2 S1 S2
L1
P1 P2
L2
L3
P1 P2 P1 P2
S1 S2
LN
P1
P2
~
~
N
V
REF
REF
+
-
LOAD
figure 6: Three-phase measuring with a 3-wire connection (MC3 type transformer (/0�250))�
The MC3 transformer secondary value is set to 0.250 A
17
Instruction Manual
CVM-B100 - CVM-B150
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