240V DIN Rail WiFi Energy Meter with LCD
This 240V energy meter is designed for DIN rail installation. It features WiFi connectivity and an LCD screen for convenient monitoring of electrical parameters.
Technical Specifications
Overview
Modular Multi-Function Energy Metering System
The 19D-NX is a next-generation modular DIN-rail power meter designed for flexible on-site integrated metering. By utilizing 3M width expansion modules, it can scale to support up to 40x3P4W or 120x1P2W energy metering systems, making it ideal for complex tenant sub-billing and cost allocation. Featuring a 6-inch dot matrix LCD and programmable digital inputs/outputs, it provides high-precision monitoring for energy efficiency and procurement optimization.
Key Features
Performance Highlights
0.5 Class
Metering Accuracy
15 W
Drive Capacity
6 inch
LCD Screen Size
Measurement Capabilities
Voltage Measurement (TRMS)
| Parameter | Specification |
|---|---|
| Measurement Range | 18…300VAC |
| PT Secondary | 100VAC / 400VAC |
| Accuracy | 0.5% (IEC61557-12) |
| Input Consumption | <0.1VA |
| Impedance | >1MΩ |
Current Measurement (TRMS)
| Parameter | Specification |
|---|---|
| CT Secondary Rating | 100mA, 50mA, 2.5mA |
| Measurement Range | 0~11kA |
| Accuracy | 0.5% (IEC61557-12) |
| Overload Capacity | 1.2x continuous, 10x for 10s |
Energy Accuracy
Compliance Standards
- Active Energy: Class 1.0 (IEC 62053-22)
- Reactive Energy: Class 2.0 (IEC 62053-23)
- Frequency Accuracy: ±0.02Hz
Communication & IoT
- Communication Protocols
- RS485 Modbus-RTUOptional EthernetOptional IoT Module4800/9600 bauds
Installation & Power
- Mounting
- DIN Rail
- Auxiliary Power Supply
- 85-265VAC/DC (Universal) or 12VDC Rating
Applications
Primary Applications
Tenant Sub-billingCost AllocationEnergy EfficiencyDemand ResponseLoad Curtailment
Safety
- Isolation Withstand Voltage
- 1 KV/1min
