Single Phase DIN Rail Energy Meter with RS485
This three-phase rail-mounted energy meter is suited for residential billing, room rental billing, and industrial use. It can use external current transformers to extend the current measurement range up to 999A.





Technical Specifications
Overview
Advanced Energy Monitoring Solution
The DEM-4MC series is a versatile DIN-rail mounted energy meter designed for residential energy metering and smart energy projects. It offers seamless integration with data acquisition systems via Modbus-RTU and pulse output communication, supporting both 4G/5G and LoRa wireless transmissions. This highly integrated device provides comprehensive AC parameter measurement, including harmonic analysis and demand measurement, making it ideal for industries ranging from petrochemicals to transportation.
Key Features
Core Functionalities
- 35mm DIN rail mounting for easy installation
- Optional 2-channel relay control output
- 4-channel switch input functions
- Harmonic and unbalance analysis
- Multi-rate energy and maximum demand measurement
- Optional prepaid billing (IC card) support
Technical Performance
Measurement Accuracy
Electrical Specifications
Input & Power Data
| Parameter | Specification |
|---|---|
| Rated Voltage | AC 220V |
| Rated Current Options | 10A, 20A, 40A, 80A |
| Frequency Range | 40~65Hz |
| Auxiliary Power Supply | AC 85-465V |
| Pulse Constant | 1600 imp/kWh |
Communication & Connectivity
- Communication Interfaces
- RS485Modbus-RTUDL/T6454G/5GLoRaPulse Output
Physical & Environmental
Build & Environment
| Feature | Value |
|---|---|
| Display | LCD with white backlight |
| Protection Rating | IP40 (Front) / IP20 (Casing) |
| Module Width | 4 modules (70mm) |
| Weight | 230g |
| Operating Temp | -10°C to 55°C |
Compliance
International Standards
Application Areas
- Target Industries
- Electric PowerRailwayTelecommunicationsPetrochemicalSteel ProductionTransportation



