Three-Phase DIN-Rail Energy Meter
This three-phase energy meter mounts on a DIN-rail for easy installation. It accurately measures electrical energy consumption with a digital display for voltage readings and multiple terminals for connection.



Technical Specifications
Product Overview
Intelligent Three-Phase Energy Monitoring
The 19D series is a high-precision DIN-rail mounted energy meter designed for smart energy projects and residential metering. It supports seamless integration with data acquisition systems via Modbus-RTU and pulse outputs, offering flexible communication options including 4G, 5G, and LoRa. This intelligent device is ideal for medium and low voltage systems, providing comprehensive measurement, electricity accumulation, and optional multi-rate billing functions.
- Tamper-Proof Design
- Yes
Core Performance
Performance Highlights
Measurement & Accuracy
Accuracy Standards
| Parameter | Accuracy Range |
|---|---|
| Current/Voltage | 0.2% RMS |
| Active Power | 0.5% |
| Reactive Power | 1% |
| Utility Revenue Grade | IEC 62053-21 Class 1.0 / IEC 62053-22 Class 0.5 |
Technical Specifications
Current Input Options
- 80A Direct Input
- 5A/1A CT Input
- 333mV CT Input
- 100mA CT Input
- Input Voltage Range
- 100V, 220V, 380V (Direct 10-400Vac)
- Frequency Compatibility
- 50Hz60Hz40-65Hz Range
Communication & Connectivity
Supported Protocols
- Wireless Transmission
- 4G5GLoRa
Physical & Environmental
- Mounting
- 35mm DIN-rail
- IP Protection
- IP40 Front Panel / IP20 Casing
- Module Width
- 4 modules
- Operating Temperature
- -10°C to 55°C
Applications
Primary Applications
- Tenant sub-billing and cost allocation
- Energy efficiency benchmarking
- Medium and low voltage systems (6-35KV and 0.4KV)
- Demand response and load curtailment
- Mechanical meter replacement



