Home ProductsCircuit ProtectionActi9IEM3255 energy meter

Acti9 IEM3255 energy meter CT - Modbus - 1 digital I - 1 digital O - multi-tariff - NMI

Item Number: A9MEM3255-NMI

1 PCE 0

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Datasheet

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Product Dimensions

Width90 mm

Height95 mm

Depth69 mm

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Barcode

Qty	UoM	EAN	Colour
			-
			-
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Barcode

Qty	UoM	EAN	Colour
1	PCE	9311554784218	-

Specifications

Design

Range	Acti9
Product or component type	energy meter
Market segment	buildings small building cost management: billing: main incomer buildings small building cost management: billing: sub feeder buildings small building cost management: billing: panelboard buildings medium building cost management: billing: main incomer buildings medium building cost management: billing: sub feeder buildings medium building cost management: billing: panelboard buildings large building cost management: billing: main incomer buildings large building cost management: billing: sub feeder buildings large building cost management: billing: panelboard buildings multi-site cost management: billing: main incomer buildings multi-site cost management: billing: sub feeder buildings multi-site cost management: billing: panelboard data center cost management: billing healthcare cost management: billing industry cost management: billing buildings small building cost management: cost allocation: main incomer buildings small building cost management: cost allocation: sub feeder buildings small building cost management: cost allocation: panelboard buildings medium building cost management: cost allocation: main incomer buildings medium building cost management: cost allocation: sub feeder buildings medium building cost management: cost allocation: panelboard buildings large building cost management: cost allocation: main incomer buildings large building cost management: cost allocation: sub feeder buildings large building cost management: cost allocation: panelboard buildings multi-site cost management: cost allocation: main incomer buildings multi-site cost management: cost allocation: sub feeder buildings multi-site cost management: cost allocation: panelboard data center cost management: cost allocation healthcare cost management: cost allocation industry cost management: cost allocation
Device application	multi-tariff partial meter sub billing
Market segment	small commercial residential

Physical

[in] rated current	5 A 1 A
Rated voltage	100...277 V 173...480 V
Communication port protocol	Modbus RTU at 9.6, 19.2 and 38.4 kbauds even/odd or none, insulation 4000 V
Local signalling	green indicator light: power ON yellow flashing LED: accuracy checking alarm: overload yellow indicator light: communications are active on the Modbus port (Modbus)
Mounting mode	clip-on
Mounting support	DIN rail
Connections - terminals	current circuit: screw terminals 6-6 mm² cable(s) voltage circuit: screw terminals 2.5-2.5 mm² cable(s)
Standards	IEC 61036 IEC 62053-23:2020 IEC 61010 IEC 62053-22:2020 IEC 61557-12:2021
Product certifications	CE conforming to IEC 61010 (safety) CE conforming to EN 61557-12 (power monitor) CE conforming to IEC 61326-1 (EMC) cULus conforming to UL 61010 (safety) cULus conforming to ANSI C12.20 (sub-meter) EAC (sub-meter) RCM ACMA NMI conforming to NMI M 6-1 (sub-meter)
Ip degree of protection	IP40 front panel: conforming to IEC 60529 IP20 body: conforming to IEC 60529
Relative humidity	5...95 % at 50 °C
Ambient air temperature for operation	-25...70 °C - IEC
Ambient air temperature for storage	-40...85 °C
Width	90 mm
Height	95 mm
Depth	69 mm
Mercury free	Yes
Rohs exemption information	Yes
Environmental disclosure	ENVPEP1112076EN
Eu rohs directive	Compliant By Exemption
California proposition 65	WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Others

Package 1 bare product quantity	1
Legacy weee scope	In
Average percentage of recycled plastic content	0 %
	Outside of Europe
Warranty duration(in months) bmecat	18
Weee label	N/A
Product name	Acti9 iEM3000
Device short name	iEM3255
Poles description	3P + N 1P + N 3P
Type of measurement	active and reactive energy active and reactive power current voltage
Metering type	active, reactive, apparent energy (signed, four quadrant)
Accuracy class	class 0.5S active energy conforming to IEC 62053-22 class 0.5S active energy conforming to IEC 61557-12 class C active energy conforming to EN 50470-3
Analogue input type	current transformer 1 A or 5 A
Network frequency	60 Hz 50 Hz
Technology type	electronic
Display type	LCD display
Sampling rate	32 samples/cycle
Measurement current	1...32767000 mA
Maximum value measured	99999999 MWh
Information displayed	tariff (4)
Communication port support	screw terminal block: RS485
Number of inputs	1 digital 0...5 V/11...40 V 24 V DC
Number of outputs	1 digital (static)
Output voltage	5...40 V DC@50 mA
Overvoltage category	III
Pollution degree	2
Operating altitude	< 3000 m
9 mm pitches	10
Unit type of package 1	PCE
Number of units in package 1	1
Package 1 height	9.0 cm
Package 1 width	9.8 cm
Package 1 length	10.6 cm
Package 1 weight	378.0 g
Total lifecycle carbon footprint	60 kg CO2 eq.
Carbon footprint of the manufacturing phase [a1 to a3]	11.045647380108472
Carbon footprint of the manufacturing phase [a1 to a3]	11 kg CO2 eq.
Carbon footprint of the distribution phase [a4]	0.863132723882424
Carbon footprint of the distribution phase [a4]	0.9 kg CO2 eq.
Carbon footprint of the installation phase [a5]	0.010346809189616037
Carbon footprint of the installation phase [a5]	0 kg CO2 eq.
Carbon footprint of the use phase [b2, b3, b4, b6]	47.49835981254568
Carbon footprint of the use phase [b2, b3, b4, b6]	47 kg CO2 eq.
Sustainable packaging	No
Carbon footprint of the end-of-life phase [c1 to c4]	0.7570947212585236
Carbon footprint of the end-of-life phase [c1 to c4]	0.8 kg CO2 eq.
Energy efficiency optimized	False
Take-back	No
Product contributes to saved and avoided emissions	No
Removable battery	N/A
Total lifecycle carbon footprint	60.17458144698472
Average percentage of recycled metal content	0 %
Packaging made with recycled cardboard	No
Packaging without single use plastic	No
Scip number	1370256b-4f45-45cb-ba74-d245fc174cf9
End of life manual availability	ENVEOLI111261EN_V2
Take-back	No
Warranty (in months)	18

Show all specifications

Documents & downloads

All
Product Brochures
Environmental Disclosure
End of Life Manual
Specification Sheet
Declaration of Conformity
Certificates (MSDS)
Declaration of Conformity (Sustainability)

Important: Some software files may need a mySchneider or Club login to download.

PDF

Smart Panels: Embrace the future of power distribution (eBrochure)

VERSION

1.0

DATE

17 Apr 2019

REVISION

1.0

DOWNLOAD (PDF) 12.5 MB

ZIP

Acti 9 iEM31/32XX energy meter, Environmental Disclosure, Product Environmental Profile

VERSION

1.0

DATE

23 Feb 2026

REVISION

1.0

DOWNLOAD (ZIP) 423.2 KB

ZIP

Acti 9 iEM31/32XX energy meter, Circularity Profile, End of Life Instructions

VERSION

1.0

DATE

23 Feb 2026

REVISION

1.0

DOWNLOAD (ZIP) 297.3 KB

ZIP

iEM3000 Technical Data Sheet

VERSION

1.0

DATE

23 Aug 2025

REVISION

1.0

DOWNLOAD (ZIP) 467.1 KB

ZIP

Security Expert REACH Declaration of Conformity 2018

VERSION

1.0

DATE

23 Feb 2026

REVISION

1.0

DOWNLOAD (ZIP) 56.6 KB

ZIP

Certificate of Origin- iEM3000

VERSION

1.0

DATE

23 Feb 2026

REVISION

1.0

DOWNLOAD (ZIP) 30.7 KB

ZIP

EULA Security Expert - END-USER LICENSE AGREEMENT (“EULA”)

VERSION

1.0

DATE

21 Feb 2026

REVISION

1.0

DOWNLOAD (ZIP) 402.5 KB

ZIP

A9MEM3255-NMI EU RoHS Directive

VERSION

1.0

DATE

01 Jan 1900

REVISION

1.0

ZIP

A9MEM3255-NMI EU RoHS Directive

VERSION

1.0

DATE

01 Jan 1900

REVISION

1.0

ZIP

A9MEM3255-NMI REACh Regulation

VERSION

1.0

DATE

01 Jan 1900

REVISION

1.0

ZIP

A9MEM3255-NMI REACh Regulation

VERSION

1.0

DATE

01 Jan 1900

REVISION

1.0

Frequently Asked Questions

Which are the NMI approved meters?

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Following are the NMI approved metres:

iem3255,....part number A9MEM3255-NMI.........https://eshop.schneider-electric.com/product.aspx?org=21&lang=1&dist=276&prod_id=A9MEM3255
iem3350.....part number A9MEM3350-NMI
em1350......part number METSEEPM3150

iEM3255

iEM3255

EM1350

Colour ()

Acti9 IEM3255 energy meter CT - Modbus - 1 digital I - 1 digital O - multi-tariff - NMI

Item Number: A9MEM3255-NMI

Colour ()

Datasheet

Product Dimensions

Barcode

Specifications

Documents & downloads

All

Product Brochures

Environmental Disclosure

End of Life Manual

Specification Sheet

Declaration of Conformity

Certificates (MSDS)

Declaration of Conformity (Sustainability)

Smart Panels: Embrace the future of power distribution (eBrochure)

Acti 9 iEM31/32XX energy meter, Environmental Disclosure, Product Environmental Profile

Acti 9 iEM31/32XX energy meter, Circularity Profile, End of Life Instructions

iEM3000 Technical Data Sheet

Security Expert REACH Declaration of Conformity 2018

Certificate of Origin- iEM3000

EULA Security Expert - END-USER LICENSE AGREEMENT (“EULA”)

A9MEM3255-NMI EU RoHS Directive

A9MEM3255-NMI EU RoHS Directive

A9MEM3255-NMI REACh Regulation

A9MEM3255-NMI REACh Regulation

Frequently Asked Questions

Which are the NMI approved meters?

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