Description
Main
Range Acti9
range of product Acti9 iEM3000
Device short name iEM3255
Product or component type Energy meter
Complementary
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)
Device application Multi-tariff
Partial meter
Sub billing
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
input type Current transformer 1 A or 5 A
[In] rated current 5 A
1 A
Rated voltage 100…277 V
173…480 V
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
tariff input Tariff (4)
Communication port protocol Modbus RTU at 9.6, 19.2 and 38.4 kbauds even/odd or none, insulation 4000 V
Communication port support Screw terminal block: RS485
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)
Product datasheet
Specifications
02 Mar 2025 1
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
Mounting mode Clip-on
Mounting support DIN rail
Connections – terminals Current circuit: screw terminals 6 mm² cable(s)
Voltage circuit: screw terminals 2.5 mm² cable(s)
overvoltage category III
Standards BS EN 61557-12:2021
IEC 61557-12:2021
EN 61557-12:2021
BS EN 61326-1
IEC 61326-1
EN 61326-1
BS EN 62052-11:2020
IEC 62052-11:2020
EN 62052-11:2020
BS EN 62053-21
IEC 62053-21
EN 62053-21
BS EN 62052-22
IEC 62053-22:2020
EN 62052-22
BS EN 62052-23
IEC 62053-23:2020
EN 62052-23
BS EN 62052-31:2015
IEC 62052-31:2015
EN 62052-31:2015
BS EN 61010-1:2010
EN 61010-1:2010
IEC 61010-1:2010
UL 61010-1:2010
BS EN 61010-2-30
IEC 61010-2-30
EN 61010-2-30
UL 61010-2-30
BS EN 50470-3
BS EN 50470-3
EN 50470-3
BS EN 50470-1
EN 50470-1
ANSI C12.20
Product certifications CE conforming to IEC 61010-1 (safety)
CE conforming to EN 61557-12 (power monitor)
CE conforming to EN/IEC 61326-1 (EMC)
UKCA conforming to BS EN 61010-1 (safety)
UKCA conforming to BS EN 61557-12 (power monitor)
UKCA conforming to BS EN 61326-1 (EMC)
CULus conforming to UL 61010-1 (safety)
CULus conforming to EN 61010-1 (safety)
EAC conforming to EN 50470-3 (sub-meter)
RCM conforming to EN 62052 (sub-meter)
KZ conforming to EN 50470-3 (sub-meter)
METAS conforming to EN 50470-1 (sub-meter)
MID conforming to EN 50470-3 (sub-meter)
MID conforming to EN 50470-1 (sub-meter)
NMI conforming to NMI M 6-1
Environment
IP degree of protection IP40 front panel: conforming to IEC 60529
IP20 body: conforming to IEC 60529
pollution degree 2
Relative humidity 5…95 % at 50 °C
Ambient air temperature for
operation
-25…70 °C – IEC
Ambient air temperature for
storage
-40…85 °C
Operating altitude < 3000 m
Colour White
9 mm pitches 10
Width 90 mm
Height 95 mm
Depth 69 mm
