Operating Data; Electric Data; Mechanical Data; General Features - LEGRAND IME MFD4ORFCDT1 Manual De Instrucciones

Multifunction instrument with 1 input
"Easy Connect" for 3 Rogowski probes

6. OPERATING DATA

6.1

ELECTRIC DATA

For both MF96ORFCDT1 – MF96ORFCMT1 codes the capacity
can be programmed based on the selected Rogowski:
I
Currents:
min
ROG630M2 12,5A
ROG1600M2
32,5A
ROG3200M2
65A
ROG6300M2
125A
V1,V2,V3,N voltages:
- 3x230V / 3x400V ±15%
V1,V2,V3,N rated frequency:
- F : 50...60Hz
n
- Permitted variation : 45...65Hz
Auxiliary power supply
(terminals 20 and 21):
- Value Uaux ca: 230Vca +/-15%
- Rated frequency: 50/60Hz
- Operating frequency: 45...65Hz
- Self consumption: ≤ 2.5VA @230 Vac
Connectable section:
Terminals Without bush
Rigid wire
Flexible wire 0,05 ÷ 2,5 mm²
Necessary tools:
- For all the terminals, use a 2.5mm slotted screwdriver and/or a
PH0 screwdriver. Only for Mbus terminals, use a 2.5mm slotted
screwdriver.

MECHANICAL DATA

6.2
Screw terminals:
- Max external dimensions: 10mm
- Lengths of the wire stripping: 6.5 / 7mm
Screw head:
- COMBI screws (slotted / Phillips head) and slotted head screws
only for MBUS terminals
Recommended torque:
- For all the terminals: 0.5 Nm
Technical data sheet: IDP000266EN_04
I I
ref max
250A 750A
650A 1950A
1300A 3900A
2500A 7500A
With bush
0,05 ÷ 4 mm² 0,05 ÷ 2,5 mm²
0,05 ÷ 1,5 mm²
Updated: 10/03/2021
Code: MFD4ORFCDT1 - MFD4ORFCMT1
Model: NEMO D4-ec
7.
(continues)

GENERAL FEATURES

Cover and front marking:
Front adhesive film and marking
by indelible tampography.
Display:
- Type: backlit liquid crystal display
- Reading points: 10,000 4 digits
(digit height 7mm)
- Energy measure: 8 digit meter (digit height 5mm)
- Resolution: automatic
- Decimal point: automatic
- Update time: 1sec.
Display of the value and programming:
- By means of the front keypad, 4 pushbuttons
- Access protected by identification code (predefined code 1000)
Measurements and precision in conformity with
- Current: cl.1
- Voltage: cl.0.5
- Frequency: ± 0,1 Hz
- Instantaneous total active power, phase, average value and max.
average value: cl.1
- Instantaneous total reactive power, phase, average value and max.
average value: cl.2
- Instantaneous total apparent power, phase, average value and
max. average value: cl.1
- Power Factor: cl.1
- Total active energy, positive and negative: cl.1 EN/IEC 62053-21
- Total reactive energy, positive and negative: cl.2 EN/IEC 62053-23
- Tariff active energy: cl.1
The above classes are guaranteed by maintaining the centring,
between Rogowski sensor and primary conductor, with the
appropriate accessories provided and a harmonic content within the
limits of the EN/IEC 61557-12 standard
Average power:
- Measurement: apparent, reactive, active power
- Calculation: moving average, on the selected period
- Average time: 5/8/10/15/20/30/60min.
Resettable meter:
- Counting of operating hours and minutes
- 8-figure resolution (6 for the hours + 2 for the minutes)
- Maximum display: 999999.99
- Programmable value: 0...50% Pn (Positive active power)
Harmonic analysis
(THD):
- Up to the 15th harmonic
Maximum dissipated thermal power for the thermal
dimensioning of the panels:
Created: 05/03/2020
+
SG
NEMO D4 EC
+ Aux
V1 V2 V3 N
2 5 8 11 20
(see the user manual).
EN/IEC 61557-12
≤ 5W
1 C
21
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