Schneider A9MEM2150 Acti9 iEM2150 Energy Meter 230V 1-phase 63A Modbus

The Schneider Electric A9MEM2150 is a modular single-phase electronic energy meter from the Acti9 iEM2100 series, designed for sub-billing and partial metering applications. It measures active and reactive energy, power, current, and voltage on 230V single-phase networks up to 63A, with Modbus RTU communication for remote data access. Note: this product was discontinued on 30 June 2023 with end-of-service on 31 December 2024.

Technical specifications:

• Commercial reference: A9MEM2150
• Manufacturer: Schneider Electric
• Series / range: Acti9 iEM2100
• Product type: Modular single-phase energy meter
• Poles: 1P + N
• Rated current: 63A
• Basic current (Ib): 5A
• Measurement current range: 0.25...63A
• Rated voltage: 230V +/- 20%
• Rated supply voltage (Us): 96...276V AC 50Hz
• Network frequency: 50Hz / 60Hz
• Frequency measurement range: 45...65Hz
• Accuracy class: Class 1 active energy (IEC 62053-21), Class 2 reactive energy (IEC 62053-23)
• Metering type: Active, reactive, apparent energy (signed, four quadrant)
• Display: LCD, 8 digits, max 999999.99 kWh
• Sampling rate: 32 samples/cycle
• Communication: Modbus RTU at 1.2, 2.4, 4.8, 9.6, 19.2 and 38.4 kbauds, RS485 screw terminals, insulation 4000V
• Local signalling: Red LED accuracy checking 1...1000 p/kWh
• Power consumption: max 3VA / 1W at 240V AC
• Rated impulse withstand voltage (Uimp): 6 kV 1.2/50 µs
• Mounting: Clip-on, DIN rail
• Power circuit terminals: tunnel type, 1.65...33 mm² solid or stranded with cable end, tightening torque 2 N.m
• Communication terminals: screw clamp, 1...4 mm² solid or 1...2.5 mm² stranded with cable end, tightening torque 0.5 N.m
• IP rating: IP40 front panel (IEC 60529), IP20 casing
• Overvoltage category: III
• Pollution degree: 2
• Operating temperature: -25...55°C
• Storage temperature: -25...70°C
• Operating altitude: below 2000m
• Relative humidity: 0...95% at 55°C
• Flame retardance: V0 (UL 94)
• Dimensions (WxHxD): 36 x 90 x 70 mm (4 x 9mm pitches)
• Weight: 0.175 kg
• Colour: White
• Certifications: CE
• Standards: IEC 62052-31, IEC 62053-21, IEC 62053-23, IEC 62052-11
• Warranty: 18 months

Features and benefits:

• Four-quadrant signed energy metering covers active, reactive and apparent energy for comprehensive load monitoring
• Modbus RTU communication over RS485 supports six baud rates and multiple parity options for flexible BMS and SCADA integration
• Wide supply voltage range (96...276V AC) ensures operation across varying network conditions
• Compact 4-module DIN rail format simplifies installation in space-constrained distribution boards
• Class 1 active energy accuracy meets IEC 62053-21 for reliable sub-billing

Applications:

• Tenant sub-billing in residential and commercial multi-occupancy buildings
• Partial energy metering in industrial and tertiary distribution panels
• Building energy management systems requiring Modbus data acquisition
• Cost allocation monitoring for individual loads or circuits

Compliant with IEC 62052-31, IEC 62053-21, IEC 62053-23, and IEC 62052-11. Part of the Schneider Electric Acti9 iEM2100 range.

Also known as: Schneider A9MEM2150, Schneider Electric A9MEM2150, Acti9 iEM2150 energy meter, single-phase Modbus energy meter.