Multi-channel three-phase smart energy meter | DIN rail mounted | 6 tariffs | 220 V AC | MODBUS RS485 | ME231N2

Technical Specifications

Type: Multi-channel three-phase smart energy meter
Model: ME231N2
Mounting: DIN rail
Power supply: 220 V AC (95–265 V AC)
Communication: MODBUS RS485
Accuracy class: Current measurement: 0.1 %
Harmonic analysis: up to the 50th harmonic (real-time display)
Tariffs: 6 tariffs
Data logger: none
I/O interfaces: 1 relay output; 1 digital input
Supported current sensors: Rogowski coils; 333 mV CT current transformers
Rated current (selectable): 10 A / 100 A / 500 A / 1000 A / 3000 A / 6000 A
Current scaling factors: 50 mV/kA; 85 mV/kA; 333 mV/kA (0–634 mV AC)
Voltage measurement: Direct or via VT – up to 500 kV
Measured parameters: Current; Voltage; Active, reactive and apparent power; Electrical energy; Power factor (cos φ); Demand; Maximum and minimum values; Phase angle; Phasor diagram; Phase imbalance; Harmonic spectrum

Functions

Multi-channel three-phase measurement
Operation with Rogowski coils – installation without power interruption
Harmonic analysis up to the 50th harmonic
MODBUS RS485 – integration into BMS, SCADA, EMS, PLC systems
Relay output and digital input – for signaling and control
Clear LCD display – instant on-site analysis

Applications

Home / advanced users: Monitoring of solar power plants, EV charging stations, heat pumps, energy consumption analysis and optimization; high-power feeder monitoring without complex installation
Electricians: Fast connection via RJ connectors, Rogowski coils allow work without power shutdown, ideal for retrofitting existing installations, clear signals and reliable RS485 communication
Engineers / designers: Accurate real-time energy and power analysis, harmonic distortion monitoring, integration into professional energy management systems

Advantages

Very wide current range up to 6000 A
Very high current measurement accuracy of 0.1 %
Harmonic analysis up to the 50th harmonic
MODBUS RS485 – industrial standard
DIN rail mounting
Suitable for both new projects and modernization

Limitations

Rogowski coil not included
No built-in data logger
Designed for technical users (not a basic household meter)