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Three-phase power and energy analyzer | 3 phase | RS485 Modbus | Accuracy class 0.5 | For PV systems | Digital LCD display

Code: EI910

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Price 174.42 € VAT incl.
( 144.15 € VAT excl. )

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A three-phase electrical power and energy analyzer designed for accurate, reliable, and long-term monitoring of electrical parameters. This model is suitable for residential users with a three-phase supply or photovoltaic system, as well as for industrial facilities, engineering projects, telecommunications, and IoT solutions.

Thanks to its 0.5 accuracy class, RS485 Modbus RTU communication, and standard 96×96 mm panel-mounted format, the analyzer is easily integrated into electrical panels, building management systems (BMS), or energy monitoring platforms. It is a solution for those who need not only to see data, but also to make decisions based on real measurements.
Product description

Technical Specifications

Type: Three-phase electrical power and energy analyzer
Model: EI910
Manufacturer: Rayfull
Phases: 3 phases
Accuracy class: 0.5
Energy measurement range: 0 – 99,999,999 MWh / MVarh
Rated voltage: 220–230 V / 380 V
Communication interface: RS485
Protocol: Modbus RTU
Display: Digital LCD (high contrast)
Mounting: Panel-mounted
Dimensions: 96 × 96 × 66 mm
Operating temperature: from -25 °C to +55 °C
Application: residential and industrial power networks, photovoltaic systems, IoT, telecommunications
Country of origin: China

Functions

Accurate measurement of active and reactive electrical energy
Real-time monitoring of three-phase electrical parameters
Long-term energy metering (up to 99,999,999 MWh)
Data transmission via RS485 / Modbus
Integration with BMS, EMS, SCADA, and IoT platforms
Clear and informative digital LCD display
Reliable operation in demanding environmental conditions
Suitable for monitoring energy balance in photovoltaic (PV) systems

Applications

For home users: Monitoring three-phase power consumption, tracking produced and consumed energy in solar power systems, helping optimize electricity usage and reduce costs, clear energy overview in a single device
For engineers / designers: Analysis of energy flows and loads, data collection for energy audits, integration into building management and automation systems, reliable solution for long-term projects
For electricians: Standard 96×96 mm mounting format, fast and easy installation in electrical panels, universal use across different sites, reliable and proven technical base

Pros

High 0.5 accuracy class
Wide energy measurement range
RS485 Modbus – industrial standard
Suitable for PV and three-phase systems
Compact, professional design
Long service life and reliable operation
Suitable for both residential and professional use

Cons

No integrated Ethernet or Wi-Fi connection
Basic Modbus knowledge required to fully utilize all features

Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

CE certificate – a guarantee of safety, quality, and compliance

This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.

CE certification means that the product has been evaluated according to the main criteria:

Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purpose

CE marking allows this product to:

be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environments

The CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.

What does this mean for you as a buyer?

Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions

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