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CT Type Din Rail Three Phase Multi-function Smart RS485 Modbus Energy Meter

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EM519025

Multi-measurement: kWh, W, V, A, PF, Hz, etc.

Bi-directional Measurement

RS485 Modbus

Multi-Tariff

Din Rail Mounted

SO Output

CT installations

3P4W


Product Description

The EM519025 is a three-phase, four-wire transformer-connected electronic energy meter designed for 50Hz AC power grids.   It features a LCD screen, accurate measurement of active energy, and supports RS485 communication using Modbus protocol.   It offers multi-tariff functionality, allowing for time-of-use pricing.   With its compact size, lightweight design, and reliable performance, this meter is well-suited for diverse residential and commercial applications.


Product function

  • High Accuracy: Class 1 measurement precision.

  • Transformer Connected: Suitable for CT (current transformer) installations.

  • RS485 Modbus: Enables remote data monitoring and communication.

  • Multi-Tariff Functionality: Supports four different tariff rates.

  • Various Display Parameters: Shows total energy, tariffs, voltage, current, power, etc.

  • Programmable Pulse Output: Allows for easy connection to external devices.


Voltage3×220/380V
Current3×1.5(6)A
Pulse constant12000imp/kWh
LCD DisplayLCD5+3
Temperature range-20~70℃
Average humidity75%
Maximum humidity≤90%
Frequency50Hz
AccuracyClass 1, Class 2
Starting current0.2%Ib
Power consumption≤2W, <10VA