Electricity Meters
LoRa Three-phase DIN Rail Energy Meter
The LoRa Three-phase DIN Rail Energy Meter meets the technical requirements of IEC 62053-21 for Class 1 three-phase active energy meters. It measures voltage, current, power, power factor, energy and total energy in 50Hz or 60Hz three-phase AC networks.
Built-in LoRaWAN and RS-485 communication, with MODBUS-RTU support, enable integration into AMR systems. The reliable, energy-saving, compact and lightweight meter is easy to install and is suitable for energy-saving, power, telecommunications, railway, transport, environmental protection, petrochemical and steel applications.
Enquire About This Product01 / PRODUCT FEATURES
Product at a glance
Comprehensive AC Data Acquisition
- Measures three-phase AC voltage, current, power and energy.
High-accuracy RMS Measurement
- Uses a dedicated measurement chip and RMS measurement for high accuracy.
Built-in LoRaWAN Communication
- Built-in LoRaWAN module and one RS-485 communication interface.
Standard Modbus Compatibility
- Uses standard MODBUS-RTU for compatibility and convenient programming.
Wide Operating Voltage and Reverse-connection Protection
- AC80-265V operating voltage with reverse-connection protection; reverse power connection does not damage the module.
High Isolation Withstand Voltage
- AC withstand voltage up to 2000V.
Residual Current Detection
- Includes one residual current measurement channel.
Dot-matrix LCD
- Dot-matrix LCD display.
Industrial Reliability
- Industrial-grade chips, a built-in watchdog, lightning protection and interference protection support reliable operation.
Current Transformer Options
- Optional single-turn through-core or split-core current transformers in different ratings.
02 / SPECIFICATIONS
Technical specifications
| Description | Value |
|---|---|
| AC Input Voltage Options | 100V / 220V / 380V |
| Current Range and CT Options | 5A / 50A / 100A / 200A; optional external split-core CT models. |
| Signal Processing | Dedicated measurement chip with 24-bit AD sampling. |
| Overload Capacity | 1.2 times range continuously; no damage within 5 times current and 2 times voltage range for transients <200ms. |
| Input Impedance | Voltage channel >1 kΩ/V; current channel ≤100mΩ. |
| Wireless Communication | LoRaWAN |
| RS-485 Interfaces | One RS-485 interface |
| Communication Protocol | MODBUS-RTU |
| Serial Data Format | Software-selectable: n,8,1 / e,8,1 / o,8,1 / n,8,2; default n,8,1 |
| RS-485 Baud Rate | Selectable 1200 / 2400 / 4800 / 9600bps; default 9600bps. |
| Metering Output Data | Voltage, current, power, energy, power factor and frequency; details are defined in the Modbus data register list. |
| Measurement Accuracy | Voltage and current: ±1.0%; active energy: Class 1. |
| Interface Isolation | RS-485, supply power, voltage input and current input are mutually isolated; isolation withstand voltage 2000VDC. |
| Supply Voltage Options | 100V / 220V / 380V; voltage line 100-380V. With AC220V supply, peak voltage must not exceed 265V. |
| Typical Power Consumption | ≤2W |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Altitude | 0-3000m |
| Temperature Drift | <100ppm/°C |
| DIN Rail Installation | 4P enclosure, 35mm DIN rail |
| Switching Output | One relay open-circuit output with voltage and current overload alarm protection output. |
LET’S TALK ABOUT YOUR REQUIREMENTS
Interested in LoRa Three-phase DIN Rail Energy Meter?
Contact our team for product availability, specifications and technical documentation.