Acti9 iEM3000
Schneider Electric catalog image for this SKU; may represent the product family.
ENERGY METER
iEM3155 energy meter - 63 A - Modbus - 1 digital I - 1 digital O - multi-tariff - MID
SKU A9MEM3155Schneider Electric A9MEM3155 is a energy meter in the Acti9 iEM3000 range. Key specifications include device short name: iEM3155; communication port protocol: Modbus RTU at 9.6, 19.2 and 38.4 kbauds even/odd or none, insulation 4000 V; rated current: 63 A.
iEM3155Device short name
Modbus RTU at 9.6, 19.2 and 38.4 kbauds even/odd or none, insulation 4000 VCommunication port protocol
63 ARated current
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | A9MEM3155 |
|---|---|
| Range | Acti9 |
| range of product | Acti9 iEM3000 |
| Product or component type | Energy meter |
| Device short name | iEM3155 |
| Market segment | Small commercial Residential |
| 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 Sub billing Partial meter |
| Accuracy class | Class 1 active energy conforming to IEC 62053-21 Class 1 active energy conforming to IEC 61557-12 Class B active energy conforming to EN 50470-3 |
| input type | Direct connection |
| [In] rated current | 63 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 | 0…63 A |
| Maximum value measured | 99999999.9 kWh |
| 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) |
| 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 | Screw terminals 16 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 62052-23 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 EN 50470-3 BS EN 50470-1 EN 50470-1 ANSI C12.16 |
| 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 |
| Compatibility code | IEM3155 |
| 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 - MID -25…70 °C - IEC -25…60 °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 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.