Energy Meters ME
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Aims
 You need to keep control of your power consumption,
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to follow the power consumption by sector, unit, workshop,
to better manage your electrical installation and optimize your
building energy efficiency
 Schneider Electric has designed the ME for the sub-metering
of active energy (rms) consumed by a single phase or three
phases electric circuit.
PMC – Dalban Bernard – 15/10/2007
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Scope of application
 Commercial & Industry
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shops in shopping centers, airports, railway stations, hospitals …
Shared spaces, offices, workshops, machines
Energy Efficiency (new rules to save energy in some countries)
Exhibitions
Trade and fun fairs,
camping sites, mobil-homes, caravans, bungalows,
weekly street market,
marinas, quaysides.
energy generation: windmills, solar energy, photo-voltaics, fuel …
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Scope of application
 Residential & small Commercial
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apartments, houses,
Seasonal rentals, bed and breakfast,
Camping sites: mobil-homes, caravans, bungalows
ME1zr (1P+N)
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ME Kilowatt hour meters: a complete range
• Direct three-phase ME3
63A
• Direct three-phase+neutral ME4
63A
• Direct single-phase ME1
63A
40 to 6000A
• Through CT’s three-phase+neutral
or three-phase ME4zrt
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ME Energy Meters
 The ME kilowatt hour meters:
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comply with the IEC 61557-12 standard
are available in 8 versions, according to their options:
Single-phase
 Global Meter
 + Partial meter ( with reset: zero )
 + Remote ( remote transfer )
 Partial meter + Remote + CT
( zrt )
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ME1
ME1z
ME1zr
3-phases
3-phases + N
ME3
ME4
ME3zr
ME4zr
ME4zrt
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Improvements on the last version
 Class 1
 Lead sealing accessory (for direct measurement versions)
 Complies with new standards: IEC 61557-12 & IEC 61557- 21
(accuracy)
 Marking improvement
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Icons rather than text when possible
rather than Imp.
than Pulse
Clarification: Imax: 63A Ib: 10A rather than 10(63)A
Adding of the consumption in VA
Individual date – code
Note about the individual calibration and tester reference
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 Instruction leaflet improvement
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More languages: 16
More technical data’s: ex I start
Explanation about the flashing meter indicator utilization
Explanation about error messages
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Direct single-phase ME
spare room for the comb
Pulse output for
Remote transfer ( r )
2-module width
flashing meter indicator
Total or partial meter display
5-digits + decimal point
Push-button: total or partial meter
display. Partial meter reset ( z )
Lead sealing accessory
voltage and current inputs
- 230 V AC,
- direct 63A, 50/60Hz
- no power supply
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Direct three-phase ME3 (without Neutral)
Pulse output for
Remote transfer ( r )
flashing meter indicator
4-module width
Total or partial meter display
5-digits + decimal point
Push-button: total or partial meter
display. Partial meter reset ( z )
Lead sealing accessory
Voltage and current inputs
- 3X230 V AC, 3X400 V AC
- direct 63 A, 50 and 60 Hz
- no Power supply
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Direct three-phase ME4 (with Neutral)
Pulse output for
Remote transfer ( r )
flashing meter indicator
4-module width
Total or partial meter display
5-digits + decimal point
Push-button: total or partial meter
display. Partial meter reset ( z )
Lead sealing accessory
voltage and current inputs
- 3X230/400 V AC
- direct 63 A, 50 and 60 Hz
- no Power supply
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Three-phase ME4zrt with CT
pulsing contact ( r )
Voltage inputs N, L1, L2, L3
3X230/400, 3X230, 3X400 V AC
50 and 60 Hz
flashing LED : counting witness
4-module width
5-digit LCD display + decimal point
total or partial read out
partial meter reset ( z )
Current inputs L1, L2, L3
via CT 40 to 6000 A
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Marking on the side
Eco design (see the certificate)
Designed by Schneider Electric
C36
07410016
Individual calibration
Tester reference
Date – code for traceability
Manufactured and calibrated in a
Schneider plant in Grenoble for a
better quality monitoring
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ME: Advantages
 Compactness
 Complies with new standards: IEC 61557-12 & IEC 61557- 21
(accuracy)
 Direct measurement up to 63 A
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No CT’s
No auxiliary Power Supply
Cabling and wiring saving
True RMS Metering
Accuracy unchanged in unbalanced mains supply
Stores the data in EEPROM in the event of a main failure
Measurement via CT from 40 to 6000 A
Partial meter with resetting
Remote transfer output
Single-phase products are compatible with the comb
Manufacturing in France in a Schneider plant
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Application example 1:
Check metering solution
Vijeo Look Scada system
Master PLC
Slave remote I/O
Schneider Electric New Zealand propose a simple and attractive solution
using a Telemecanique Twido PLC and a Merlin Gerin DIN mounted Pulsed
Kwh meter with ME counters.
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Application example 2:
Grocery stores & supermarkets
 sub-metering, load distribution
ME4zrt
ME3zr
ME1zr
Heating
Lighting
Furnaces
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Refrigeration
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Annex: IEC Standards for Meters
Past
Now
62053-21
Energy
meters
61036
ME
62052-11
EMC
Active Energy
Energy
Sub-meters
61557-12
61010-1
safety
61326-1
EMC
The ME is fully compatible with the 61557-12 and with the accuracy part of the 62053-21
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Diapositive 1 - Schneider Electric