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Power Monitoring & Control
Home » Products » Power Monitoring & Control » IoT AC DIN Rail-Mounted Three Phase Multifunction Power Meter

Instrava Curated Instruments introduces an advanced Multifunction Power Meter designed for next-generation smart distribution systems.
This IoT-enabled AC DIN Rail-Mounted Three Phase Multifunction Power Meter integrates full electrical measurement, power quality analysis, real-time communication, and intelligent monitoring into a single compact device.
With support for 4G, LoRa, RS485, and LAN, along with multiple industrial protocols, it transforms traditional power systems into fully connected, data-driven energy networks.
Key Highlights:
Applications:
Smart Grid | Energy IoT | Industrial Automation | Distribution Cabinets | Data Centers | Smart Buildings
Power Monitoring & Control Description
IoT Multifunction Power Meter with Core Advantages
This Multifunction Power Meter combines measurement and monitoring into a unified platform:
Provides complete real-time visibility of electrical systems
Ensures stable and high-quality power supply
Enables data-driven energy optimization
Guarantees precision and reliability in critical systems
Supports real-time decision-making
Ensures zero data loss in unstable networks


IoT Multifunction Power Meter Technical Highlights
This IoT Multifunction Power Meter supports:
Suitable for both local and wide-area deployment
Enables seamless integration into cloud, SCADA, and IoT platforms
Reduces engineering and maintenance costs
Simplifies installation and commissioning
Enhances electrical safety and system protection
Supports fault analysis and predictive maintenance
Enables long-term energy analysis
Helps reduce peak energy costs
Power Monitoring & Control Parameter
| Power Supply | AC 85~265V Or DC 100~300V | LTE Wireless Communication | LTE-FDD B1/B3/B5/B8 LTE-FDD B34/B38/B39/B40/B41 | |
| LoRa | 470-510Mhz,1KM open area (customized model is 915Mhz) | |||
| Rated Current | 1A or 5A 5A/1.67mA CT(optional) 100A/33.3mA CT(optional) | RS485 | 4800-38400bps,Modbus-RTU | |
| LAN port | Modbus TCP/IP,10M/100M Ethernet (customized model) | |||
| Rated Voltage | 3×57.7/100V,3×220/380V | Break-point transfer | 7 days data cache (1 sampling point /5min.) | |
| Digital Input | Wet contact,external power supply.220V,when <60V,open,when>140V closed,Max.Input 300V Or Dry contact:internal supply 24Vdc | Environment | Operation Temperature:-25℃~+70℃ Storage Temperature:-40℃~+85℃ Operation Humidity:5%~95% Non-condensing | |
| Relay output | Node capacity:250Vac/5A | EMC Standard | Electrostatic Discharge Immunity Test IEC61000-4-2:2001 RF Electromagnetic Field Immunity testing IEC61000-4-3:2002 | |
| Connection Mode | 3 Phase 4 Wire 3 Phase 3 Wire | Electrical fast transient immunity test Surge immunity test Injected Current Immunity Test Electromagnetic emission limit | IEC61000-4-4:2006 IEC61000-4-5:2005 IEC61000-4-6:2006 CISPR22:2006 | |
| Cable Temperature | 4 channels of NTC sensor, range:0-149℃ | |||
| Voltage sag and short-time interruption Immunity testing Passed | ||||
| Parameter | Measurement Range | Accuracy |
| Voltage | Phase Voltage:10V~400V Line Voltage:10V~690V | 0.2% |
| Primary Voltage | Max.1000kV | |
| Current | 5mA~6.5A | 0.2% |
| Primary Current | Max.100000A | —- |
| Frequency | 40~65Hz | 0.1% |
| Active Energy | 0~99999999.9 kWh | 0.5% |
| Reactive Energy | 0~99999999.9 kvarh | 2% |
| Active Power | Single Phase:0~±9999MW/Mvar Total:0~±9999MW/Mvar | 0.5% |
| Reactive Power | 1.0% | |
| Harmonic Ratio | 0%~100% | Class B |
Instrava OEM/ODM
Reliable Instruments. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.
By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.

What is an IoT Multifunction Power Meter?
An IoT Multifunction Power Meter is an advanced device that measures electrical parameters and transmits data in real time through communication networks such as 4G, LoRa, or LAN for remote monitoring and control.
How does this Multifunction Power Meter support IoT systems?
It supports multiple protocols like MQTT, Modbus, and HTTP, allowing seamless integration with cloud platforms, SCADA systems, and energy management systems.
What is the advantage of split core CT?
Split core CT allows installation without cutting power, reducing downtime and installation costs.
How does the data cache function work?
The meter stores up to 7 days of data locally and automatically retransmits it when the connection is restored, ensuring no data loss.
Can this meter monitor cable temperature?
Yes. It includes cable temperature monitoring and alarm functions, enhancing electrical safety.
Is this meter suitable for smart grids and energy IoT?
Yes. With multi-protocol communication and real-time data capability, it is ideal for smart grids, IoT energy systems, and digital power management.
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