SOCOMEC - Ref. : 875 508A
35
ENGL
ISH
SOCOMEC - Ref. : 875 508A
35
NB:
The solution with 2 CT with the cur-
rent calculated via vectoral summa-
tion results in an 0.5% reduction in
phase accuracy, of which current is
deducted vectorially.
N
P1
S1
L1 (R)
L2 (S)
L3 (T)
FUSES
110 to 440 V AC
120 to 350 V DC
2 A
S2 S1 S2 S1 S2
S1
I2
I3
I1
V1
V2 V3 VN
AUX
A
A
A
a
a
a
A
A
A
a
a
a
N
P1
S1
L1 (R)
L2 (S)
L3 (T)
110 to 440 V AC
120 to 350 V DC
S2 S1 S2 S1 S2
S1
I2
I3
I1
V1
V2 V3 VN
AUX
L1 (R)
L2 (S)
L3 (T)
FUSES
110 to 440 V AC
120 to 350 V DC
2 A
S2 S1 S2 S1 S2
S1
I2
I3
I1
V1
V2 V3 VN
AUX
P1
S1
P1
S1
A
A
A
a
a
a
P1
S1
L1 (R)
L2 (S)
L3 (T)
110 to 440 V AC
120 to 350 V DC
S2 S1 S2 S1 S2
S1
I2
I3
I1
V1
V2 V3 VN
AUX
P1
S1
DIRIS 274 A GB
DIRIS 275 A GB
DIRIS 276 A GB
DIRIS 277 A GB
BALANCED THREE-PHASE NETWORK (4 LB)
UNBALANCED THREE-PHASE NETWORK (3 LNB)
NB:
The solution using one CT with the
current calculated via vectoral sum-
mation, results in an 0.5% reduction
in phase accuracy, of which current is
deducted vectorially.
P1
S1
P1
S1
L1 (R)
L2 (S)
L3 (T)
P1
S1
FUSES
110 to 440 V AC
120 to 350 V DC
2 A
S2 S1 S2 S1 S2
S1
I2
I3
I1
V1
V2 V3 VN
AUX
P1
S1
P1
S1
L1 (R)
L2 (S)
L3 (T)
P1
S1
110 to 440 V AC
120 to 350 V DC
S2 S1 S2 S1 S2
S1
I2
I3
I1
V1
V2 V3 VN
AUX
A
A
A
a
a
a
DIRIS 280 A GB
DIRIS 281 A GB
