Three-phase multifunction smart energy meter | panel mounting | Modbus RS485 | ME237

Technical Specifications

Type: Three-phase multifunction smart power meter
Model: ME237
Phases: 3-phase
Communication: Modbus RS485
Power supply: 95–265 V AC
I/O: 1× relay output; 1× digital input
Displayed data: current, voltage, active and reactive power, energy, harmonics, power factor, demand
Mounting: Panel mounting

Current transformer support:

ME237C – 5 A CT version
Rated CT: 5 A

Recommended current transformers:

100 A / 5 A – SCT-24 (Ø24 mm)

300 A / 5 A – SCT-36 (Ø36 mm)

600 A / 5 A – SCT-50 (Ø50 mm)

ME237V – 333 mV CT version
Rated CT voltage: 333 mV

Recommended current transformers:

SCT-10 (Ø10 mm) – 5 A / 333 mV

SCT-16 (Ø16 mm) – 10 A / 333 mV

SCT-24 (Ø24 mm) – 200 A / 333 mV

SCT-36 (Ø36 mm) – 500 A / 333 mV

Functions

Current and voltage measurement – real-time three-phase readings

Active and reactive power calculation

Energy measurement (kWh)

Harmonic analysis – power quality assessment

Power factor measurement

Demand – peak load monitoring

Relay output and digital input – basic automation

Applications

Advanced home users: Suitable for monitoring three-phase home installations, solar power systems, or workshop loads when more than basic metering is required.

Engineers / energy specialists: Useful for load analysis, energy optimization, and power quality evaluation in commercial and industrial facilities.

Electricians / system integrators: RS485 communication, clear display, and flexible CT selection enable quick integration into electrical panels and control systems.

Advantages

Three-phase multifunction measurement

Modbus RS485 communication

Choice of 5 A or 333 mV CT versions

Additional I/O (relay + DI)

Clear and informative display

Limitations

Current transformers not included

Not intended for commercial (MID) metering

Correct CT selection required according to current range