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Single-phase wiring
MAINS
DCRL 8
L
N
CURRENT
S1 S2
CT1
QS1
LOAD
SINGLE-PHASE CONNECTION
Wiring configuration for single-phase applications
Voltage measure
Current measure
Phase angle offset
Capacitor overload current measure
Parameter setting
NOTES
IMPORTANT!
The polarity of the current/voltage input is irrelevant.
MT wiring
MAINS
DCRL 8
L1 L2 L3
INPUT
CURRENT
S1 S2
1 2
CT1
FU9
QS1
QS1
LOAD
Configuration with MT measurement and correction
Voltage measure
Current measure
Phase angle offset
Capacitor overload current measure
Parameter setting
1
2 3 4
INPUT
INPUT
AUX
VOLTAGE
SUPPLY
100-600V
100-440V
1
2
4
5
6
7
15
8
9 10 11 12
FU10
FU11
2x1A
2x1A
FU12
FU13
FU9
10A
5A
KM1
TC1
1 phase voltage reading L1-N
L1 phase
Between V (L1-N ) and I (L1)
0°
1 reading calculated on L1-N
P.03 = L1
P.05 = L1-N
P.24 = 1PH
1 2
3 4
5
INPUT
AUX
SUPPLY
VOLTAGE
100-600V
100-440V
4
5
6
7
15
8 9 10 11 12
FU10
FU11
2x1A
2x1A
VT1
FU1
FU9
FU10
10A
5A
KM1
FU10
TC1
3 ph-to-ph voltage reading
L1-L2, L2-L3, L3-L1 on MT side
L1-L2-L3 phase
90°
disabled
P.03 = L3
P.05 = L1-L2
P.24 = 3PH
P.34 = VT primary
P.35 = VT secondary
8
5
6
7
13
14
16 17 18
FU1
FU2
R
KM2
R
K1
K2
8
6 7
13
14
16 17 18
FU2
R
KM2
R
K1
K2
FU8
R
R
KM8
R
R
K8
FU8
R
R
KM8
R
R
K8
G
B
13
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