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Kilowatt hour meters
Metering and
measurement
Technical
Section 9
Dimensions
Section 10
Function
Digital kilowatt-hour meters designed for sub-metering of active energy (rms)
consumed by a single-phase or three-phase electric circuit with or without distributed
neutral.
EN40
40 A single-phase kilowatt-hour meter.
EN40p
40 A single-phase kilowatt-hour meter with remote transfer of metering impulses
(static output).
ME1
Single-phase kilowatt-hour meter.
ME1z
Single-phase kilowatt-hour meter with partial meter.
ME1zr
Single-phase kilowatt-hour meter with partial meter and remote transfer of metering
impulses (relay output).
ME3
Three-phase kilowatt-hour meter without neutral.
ME3zr
Three-phase kilowatt-hour meter without neutral, with partial meter and remote
transfer of metering impulses (relay output).
ME4
Three-phase + neutral kilowatt-hour meter.
ME4zr
Three-phase + neutral kilowatt-hour meter with partial meter and remote transfer of
metering impulses (relay output).
ME4zrt
Three-phase kilowatt-hour meter with or without neutral associated with external CTs
(not supplied), with partial meter and remote transfer of metering impulses (relay
output).
Part numbers
Type
Rating
(A)
Voltage
(V AC)
Tolérance
(V AC)
Width in mod.
of 9 mm
Part
no.
Single-phase circuit (1L + N)
EN40
40
230
±20
2
15238
EN40p
40
230
±20
2
15239
ME1
63
230
±20
4
17065
ME1z
63
230
±20
4
17066
ME1zr
63
230
±20
4
17067
Three-phase circuit (3L)
ME3
63
3 x 400-3 x 230 ±20
8
17075
ME3zr
63
3 x 400-3 x 230 ±20
8
17076
ME4zrt
40...6000
3 x 400-3 x 230 ±20
8
17072
Three-phase + neutral circuit (3L + N)
ME4
63
3 x 230/400 ±20
8
17070
ME4zr
63
3 x 230/400 ±20
8
17071
ME4zrt
40...6000
3 x 230/400 ±20
8
17072
Main technical data
ME
EN40 / EN40p
Accuracy class
1
1
Frequency
48/62 Hz
48/62 Hz
Consumption
2.5 VA
< 10 VA
Operating temperature
-25°C to +55°C
-25°C to +55°C
-25°C to +65°C (32 A)
Connection by tunnel
terminals
Top terminals: 6 mm
2
Top terminals: 4 mm
2
Bottom terminals: 16 mm
2
Bottom terminals: 10 mm
2
Compliance with standard
IEC 61557-12 :
- PMD/DD/K55/1
- PMD/SD/K55/1 (ME4zrt)
IEC 62053-21 /
IEC 61557-12 :
- PMD/DD/K55/1
IEC 62053-21 (accuracy)
Pending MID approval:
Sealable screw shield
Except ME4zrt
Yes
EN40.
EN40p.
ME1zr.
ME3zr.
ME4zrt.