Schneider A9MEM3150 Acti9 iEM3150 Energy Meter 400V 3-phase 63A Modbus

The Schneider Electric A9MEM3150 is a 3-phase electronic energy meter from the Acti 9 iEM3000 series, rated for direct connection up to 63 A at 173...480 V. It measures active energy, current, voltage, and active power with Class 1 accuracy, and communicates via Modbus RTU over RS485 for integration with building management and energy monitoring systems.

Technical specifications:

• Commercial reference: A9MEM3150
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iEM3000
• Number of poles: 3P, 3P+N, 1P+N
• Rated current: 63 A
• Measurement range: 0...63 A
• Rated voltage: 100...277 V / 173...480 V
• Network frequency: 50 / 60 Hz
• Accuracy class: Class 1 active energy (IEC 62053-21, IEC 61557-12), Class B (EN 50470-3)
• Maximum measured value: 99999999.9 kWh
• Sampling rate: 32 samples/cycle
• Communication protocol: Modbus RTU at 9.6, 19.2, 38.4 kbaud; RS485 screw terminal block; isolation 4000 V
• Display: LCD
• Connection type: Direct connection; screw terminals, 16 mm² cable
• Mounting: DIN rail (clip-on)
• Overvoltage category: III
• IP rating: IP40 front panel / IP20 body (IEC 60529)
• Pollution degree: 2
• Operating temperature: -25...70°C
• Storage temperature: -40...85°C
• Relative humidity: 5...95% at 50°C
• Operating altitude: less than 3000 m
• Dimensions (WxHxD): 90 x 95 x 69 mm
• Weight: 446 g
• Certifications: CE, UKCA, CULus, EAC, KZ, NMI
• Warranty: 18 months

Features and benefits:

• Direct connection up to 63 A eliminates external current transformers in suitable installations
• Modbus RTU over RS485 with 4000 V isolation enables reliable integration into SCADA and BMS systems
• LCD display with three LED indicators for power status, accuracy verification, and Modbus communication activity
• Class 1 active energy accuracy per IEC 62053-21 and IEC 61557-12 supports accurate billing and sub-metering
• Wide operating temperature range of -25...70°C suits demanding industrial and commercial environments

Applications:

• Sub-metering in commercial and industrial buildings for tenant or departmental energy consumption monitoring
• Cost allocation across shared facilities or production zones
• 3-phase energy monitoring in distribution boards and electrical panels
• Energy auditing and compliance measurement in industrial installations

Compliant with IEC 61557-12:2021, IEC 62053-21, IEC 62052-11:2020, IEC 61326-1, and IEC 61010-1. Part of the Schneider Electric Acti 9 iEM3000 range.

Also known as: Schneider A9MEM3150, Schneider Electric A9MEM3150, iEM3150 Modbus energy meter, Schneider 63A 3-phase energy meter.