Three-phase electric energy meter MCX4-34X series
DIN railModbus RTUwith built-in communication

Three-phase electric energy meter - MCX4-34X series - Lettel - DIN rail / Modbus RTU / with built-in communication
Three-phase electric energy meter - MCX4-34X series - Lettel - DIN rail / Modbus RTU / with built-in communication
Three-phase electric energy meter - MCX4-34X series - Lettel - DIN rail / Modbus RTU / with built-in communication - image - 2
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Characteristics

Type
three-phase
Assembly
DIN rail
Other characteristics
Modbus RTU, with built-in communication, IoT, smart, pulse output, LoRaWAN, RS-485, multi tariff, commercial
Primary current

Max.: 100 A

Min.: 0 A

Description

Overview
Energy meter for three-phase or four-phase networks, direct connection, maximum current 100 A. Long-range LoRaWAN communication and Modbus RS485 interface. Available in single-, dual- or four-tariff versions. Clear display with an intuitive menu, suitable for remote reading and energy supervision.

Main features
  • Networks: three-phase or four-phase
  • Connection: direct connection
  • Maximum rated current: 100 A
  • Tariffs: single, dual or four-tariff versions available
  • Display: clear interface and intuitive menu
  • Mounting: DIN rail
  • Enclosure width: 4 modules (72 mm)

Communication
  • LoRaWAN
  • Modbus RTU (RS485)
  • Pulse output

Measurement functions
  • Total active energy (export and import)
  • Total reactive energy (export and import)
  • Voltage
  • Current
  • Frequency
  • Active, reactive and apparent power
  • Power factor
  • Voltage and current harmonic distortions
  • Maximum and average demands

Safety and compliance
  • Sealable terminal covers for electrical shock prevention and anti-tamper
  • Compliances: CE, RoHS, REACh
  • Applicable standards: IEC61000-4-2/3/4/5/6/8/11, IEC61010-1, IEC62052-23, IEC62053-22, IEC61557-12, IEC60068

Benefits & applications
  • Single/dual/four-tariff options for flexible billing
  • Long-range transmission and low consumption via LoRaWAN — ideal for remote reading and industrial/tertiary IoT networks
  • Enables remote consumption monitoring, site energy management and reduction of manual readings
  • Suitable for commercial buildings, industrial applications and smart-grid setups

Resources (related product documents)
  • MCX meter range (product brochure)
  • MCX4-340 full manual (product manual)
  • Modbus RTU exchange table (Modbus map)

Technical specifications
  • Model: MCX4-34X
  • Product type: communicant 3-/4-phase energy meter
  • Maximum current: 100 A (direct connection)
  • Tariffs: single / dual / four (depending on variant)
  • Communication interfaces: LoRaWAN, Modbus RS485, pulse output
  • Measurements: active/reactive energy (import/export), voltage, current, frequency, powers (active, reactive, apparent), power factor, harmonic distortions, max/average demands
  • Mounting: DIN rail
  • Enclosure width: 4 modules (72 mm)
  • Safety: sealable terminal covers
  • Compliance: CE, RoHS, REACh
  • Standards: IEC61000-4-2/3/4/5/6/8/11, IEC61010-1, IEC62052-23, IEC62053-22, IEC61557-12, IEC60068
  • Commercial variants (example codes): MCX4-340 (single), MCX4-342 (dual), MCX4-341 (four-tariff)

Other Lettel products

Electric energy meters

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.