Three-phase DIN-rail meter (direct connection)

It can be used for energy monitoring in a wide range of applications, including PV energy management, smart buildings and industrial equipment.

LHE34D

The LHE34D is a three-phase direct-connected DIN-rail energy meter. It provides real-time measurement of electrical parameters including voltage, current, active power, reactive power, frequency and power factor. Through its RS485 interface, it provides power monitoring data to inverter equipment for fast-response control. It supports standard 35 mm DIN-rail mounting and features a compact size and easy installation.

Voltage

Nominal voltage: 3 × 120 / 208 V; 3 × 127 / 220 V; 3 × 230 / 400 V; 3 × 240 / 415 V; 3 × 254 / 440 V
Operating voltage range: 70% Un – 130% Un

Current

3 × 5 (80) A

Frequency

50 / 60 Hz

Accuracy

Active energy: Class 1
Reactive energy: Class 2

Communication Port

RS485 / Modbus-RTU

Certification

CE, MID, RoHS

Key Features

High-Speed RS485

Built-in RS485 communication supports up to 115200 bps.

Communication Function

RS485 / Modbus-RTU communication for monitoring and device integration.

20 ms Fast Refresh

Real-time electrical data refresh in as fast as 20 ms

Module Expansion Interface

12 V / 2.5 W power output supports Bluetooth, Wi-Fi and other wireless modules.

Connection Diagram

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