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Multifunction instrument without
communication gates and with inputs via CT
5. COMMISSIONNING - CONNECTION
Wiring diagrams:
- 4 wires three-phase network, 3 CT (3N-3E):
3N3E
VOLTAGE
2 5 8
11
L1
L2
L3
N
- 3 wires three-phase network, 2 CT (3-2E):
3-2E (1-3)
VOLTAGE
2 5 8
11
S1
L1
P1
L2
L3
- 3 wires three-phase network, 3 CT (3-3E):
3-3E
VOLTAGE
2 5 8
11
L1
L2
L3
- Single-phase network (1N-1E):
1N1E
VOLTAGE
2 5 8
11
S1
L1
N
Protection of the device:
- Recommended fuse 0,5 A type gG
Technical data sheet: IDP000206EN_03
INPUT
AUX.
SUPPLY
CURRENT
+
–
21
1 3
4
6
7
9
20
F
S1
P1
S1
X
X
P1
S1
X
LOAD
P1
X X X
INPUT
AUX.
SUPPLY
CURRENT
+
–
1 3
4
6
7
9
20
21
F
X
LOAD
X
S1
X
P1
INPUT
AUX.
SUPPLY
CURRENT
+
–
20
21
1 3
4
7
9
6
F
S1
P1
S1
X
LOAD
X
P1
X
S1
P1
AUX.
INPUT
SUPPLY
CURRENT
+
–
3
4
7
9
20
21
1
6
F
LOAD
P1
X
Updated: 19/05/2020
Codes: MFD45A00
Model: NEMO D4-e
6. OPERATING DATA
6.1 ELECTRIC
Rated currents:
- Rated currents, I
: 5A
n
- Maximum current, I
: 1,2In
max
- Istantaneous overload: 20In / 0,5s
- Current self consumption: ≤ 1VA
Rated voltages:
- Three-phase rated voltage Un: 400V
- Three-phase voltage: 50...500V
- Single phase voltage: 50 - 290V
- Voltage self consumption: ≤ 0,2VA
External CT ratio:
1...9999
Note : on modfying the kCT parameter in the device configuration
menu, all the energy meters are reset.
THD:
The THD is calculated taking account of a harmonic content
up to and above the 25
harmonic.
th
Peak factor:
- Current 2
- Voltage 1,5
Rated frequency:
- F
: 50...60Hz
(automatic selection)
n
- Permitted variation: 45...65Hz
Starting time
(energy counting): < 5s
Connectable section:
Amperometric inputs
Rigid wire
Flexible wire
Other terminals
Rigid wire
Flexible wire
0,05 ÷ 2,5 mm²
Necessary tools:
- CT terminals: 4 mm flat or Phillips PH1 screwdriver
- Other terminals: 2,5 mm flat or Phillips PH0 screwdriver
MECHANICAL
6.2
Depht of the terminals:
- Profondità dei morsetti: 8mm
- Lengths of the wire stripping: 8mm
Screw head:
- Phillips and countersunk screw
Recommended torque:
- CT terminals (I1, I2, I3): 1 Nm
- Voltage connection terminals (L1, L2, L3, N),
auxiliary supply: 0,6 Nm
Created: 28/01/2019
(per phase at the maximum current 6A)
(phase-phase)
(phase-neutral at the rated voltage)
(max. primary current 50kA/5A)
Without bush
With bush
0,05 ÷ 6 mm²
-
0,05 ÷ 4mm²
0,05 ÷ 4mm²
Without bush
With bush
0,05 ÷ 4 mm²
-
0,05 ÷ 2,5 mm²
2 / 4
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