range Acti 9
range of product Acti 9 iEM3000
device short name IEM3275
product or component type Energy meter


poles description 3P
1P + N
3P + N
type of measurement Active and reactive energy
Active and reactive power
metering type Active, reactive, apparent energy (signed, four quadrant)
device application Sub billing
Partial meter
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 External CT 1 A or 5 A
[In] rated current 1 A
5 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 LON, insulation 3750 V
communication port support Screw terminal block: LonWorks TP/FT-10
local signalling Green indicator light: power ON
Yellow flashing LED: accuracy checking
alarm: overload
number of inputs 1 digital 0…5 V/11…40 V 24 V DC
number of outputs 0
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 IEC 61036
IEC 61010
UL 61010-1
IEC 62053-22
IEC 61557-12
IEC 62053-23
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 conforming to NMI M 6-1 (sub-meter)
MID conforming to EN 50470-3 (sub-meter)
MID conforming to EN 62052 (sub-meter)


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…55 °C – IEC
ambient air temperature for storage -40…85 °C
operating altitude < 2000 m
colour White
9 mm pitches 10
width 90 mm
height 95 mm
depth 69 mm

Packing Units

Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Weight 372.0 g
Package 1 Height 8 cm
Package 1 width 9.5 cm
Package 1 Length 10.5 cm