Operating Data; Electric Data; Mechanical Data; General Features - LEGRAND IME NEMO D4-ec Mode D'emploi

Three-phase multifunction instrument
with 1 or 2 "Easy Connect" inputs

6. OPERATING DATA

6.1

ELECTRIC DATA

For all the MFD41ORFCDT – MFD42ORFCDT – MFD41ORFCMT -
MFD42ORFCMT codes the reference capacity (Iref) can be
programmed based on the selected Rogowski:
I
Current capacity
min
630 12,5A
1600
32,5A
3200
65A
6300
125A
V1,V2,V3,N voltages:
- Three-phase voltage: V-N/ V-V : 3x230 /3x400 ±15%
V-V:
Maximum section of the cables that can be connected to the
V1,V2,V3,N terminals:
Terminals Without bush
Rigid wire 0,05 ÷ 1,5 mm²
Flexible wire 0,05 ÷ 1,5 mm²
Self-powered
(terminals V and N):
- Rated frequency: 50/60Hz
- Operating frequency: 45...65Hz
- Self consumption: ≤ 2.5VA @230 Vac
Maximum dissipated thermal power for the thermal
dimensioning of the panels:

MECHANICAL DATA

6.2
Screw terminals:
- Max external dimensions: 18mm
- Stripping lengths for input cable and bus 5mm; 7.5mm for in/out
voltages
Screw head:
- Voltage connection terminals (V1, V2, V3, N) with COMBI screws
(slotted/ PH1 Phillips head); slotted head screws for terminals
(N, V3, V2, V1) .
- Terminal boards in the upper part of the multifunction (input and
bus): screws with countersunk head with hexagon socket
Recommended torque:
- Voltage connection terminals (V1, V2, V3, N): 0.5Nm
- Voltage connection terminals (N, V3, V2, V1): 0.5Nm
- Tariff and communication terminal boards
Necessary tools:
- For BUS version terminals, use a 2.5mm flat screwdriver; for
voltage terminals, use a 3.5mm slotted screwdriver and/or a PH1
Phillips screwdriver
Technical data sheet: IDP000348EN_01
I I
ref max
250A 750A
650A 1950A
1300A 3900A
2500A 7500A
3x230 ±15%
With bush
0,05 ÷ 2,5 mm²
0,05 ÷ 2,5 mm²
≤ 5W
0.2 Nm
(Modbus or Mbus):
Codes: MFD41ORFCDT – MFD42ORFCDT
MFD41ORFCMT – MFD42ORFCMT
Model: NEMO D4-ec
7.

GENERAL FEATURES

Marking data:
Indelible marking
3
4
5
6
8
BTICINO SpA
Viale Borri 231
21100 Varese ITALY
imeitaly.com
12
13
1. Metrological LED
2. Keypad with 3 multifunction pushbuttons
3. Graphic display
4. Consult the user manual before installation
5. Double insulation
6. Connection on 4-wire / 3-wire three-phase line
7. Anti-rotation device (anti-decreasing)
8. Voltages
9. RJ45 connection for Modbus RTU
10. Mbus communication and tariff input
11. 1 / 2 current input
12. Item code
13. Datamatrix for product traceability
14. Week and year of manufacture
15. Voltages
16. Rated voltages
17. Rated frequencies
18. Precision classes
19. Temperature of use
20. Inputs / Outputs
21. Reference standards
Updated: -
(continues)
11 10 9
2 1
SG
+
B A
CURRENT INPUT
2 C 1 RS485
MBUS
NEMO D4-ec
V V V N
OUT
1 2 3
N V V
IN
3 2
3x230(400)V
50-60Hz
MFD41ORFCDT cl.1 Wh - cl.2 varh
-25°C...55°C
2654280001
T1...T4
20W10
RS485
IEC 61557-12 (PMD2)
Created: 19/02/2021
1
1
2
3 "
V
1
Made in Italy
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