ETU02 is a three phase four wire WIFI Tuya digital din rail smart energy meter. This electric wifi smart meter integrated WIFI and Tuya smart technology.This din rail electricity smart meter is designed and widely used for home use and remote control.
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The ETU02 three phase four wire WIFI Tuya din rail smart electric energy meter is an intelligent metering solution integrating Tuya smart technology and WIFI communication, designed for ToB clients pursuing digital and intelligent energy management. As a Class 1.0 precision digital smart kWh meter, it supports real-time remote monitoring, energy consumption analysis and intelligent equipment management, perfectly adapting to high-power scenarios such as modern smart homes, light industrial facilities and commercial buildings. This 380V WIFI Tuya smart meter features dual connection (bottom/upside) and a clear digital display, with a maximum current of 100A to meet the metering needs of high-energy-consumption electrical systems. Equipped with a 18-month warranty and professional technical support, it is the first choice for smart home solution providers, property management companies and industrial energy management service providers seeking to upgrade their metering systems to intelligent, data-driven platforms.
Integrated with Tuya WIFI communication technology, the meter enables 24/7 real-time energy consumption monitoring via smartphone apps. ToB clients and end-users can check voltage, current and power consumption data anytime and anywhere, realizing remote tracking of energy usage for buildings and industrial equipment—eliminating the need for on-site manual meter reading and improving management efficiency.
Maintaining Class 1.0 accuracy and a starting current of 0.04%Ib, the ETU02 ensures precise metering for both light and heavy loads. It supports 3×220/380V, 3×230/400V and 3×240/415V three-phase voltage systems, with a maximum current of 100A, making it a reliable three phase smart energy meter for high-power industrial and commercial scenarios.
Featuring bottom and upside dual connection design and 35mm standard din rail mounting, this meter adapts to various distribution cabinet wiring layouts, reducing on-site construction complexity for bulk installation. Its compact size (126mm×77mm×97mm) and digital display ensure clear data reading and space-saving deployment.
The meter automatically collects high-precision real-time energy data and generates detailed energy consumption analysis reports via the Tuya smart platform. These reports provide in-depth insights into energy usage patterns, peak/off-peak consumption and equipment energy efficiency, helping ToB clients optimize energy management strategies and reduce operational costs.


A core device for smart home energy management systems, deployed by smart home solution providers to realize unified monitoring and remote control of household high-power equipment (air conditioners, water heaters, etc.) for residential communities and high-end apartments.
Suitable for energy metering and management in light industrial workshops, small factories and processing plants, where it tracks the energy consumption of production equipment and helps optimize production processes to reduce energy waste.
Ideal for shopping malls, office buildings and industrial parks, enabling property management companies to conduct multi-point centralized energy monitoring, realize sub-area and sub-equipment billing, and improve the overall energy efficiency of buildings.
Serves as a metering solution for distributed photovoltaic and energy storage supporting systems, providing accurate energy data for grid connection and energy scheduling, and adapting to the development of new energy industries.
Tepsung provides tailored OEM customization services for the ETU02 smart meter to meet the personalized needs of ToB clients in the smart energy industry. We support custom logo printing, brand-specific packaging design and minor technical parameter adjustments for the Tuya smart system. For bulk orders, our professional technical team can also provide customized APP interface development and data docking with the client’s own energy management platform, with one-stop technical support from sample testing to bulk production.
Intelligent Technology Integration: As a specialized and innovative enterprise in the electrical field, we have in-depth cooperation with Tuya Smart, ensuring stable and compatible WIFI communication and intelligent functions of the meter.
18-Month Long Warranty: We provide an 18-month quality guarantee for all smart meters, with free replacement and maintenance for non-human damage, reducing the after-sales costs of ToB clients.
Professional Technical Guidance: We offer detailed user manuals, operation videos and on-site technical training for the Tuya smart platform, ensuring clients can quickly deploy and use the meter system.
One-Stop Solution: From product customization to logistics distribution and after-sales support, we provide a full-chain service for bulk projects, matching the delivery cycle and project progress of clients.
Global Logistics & Compliance: Our products meet international electrical standards, with flexible shipping options (air/express for small orders, sea for bulk orders) to support cross-border smart energy projects worldwide.
The ETU02 three phase four wire WIFI Tuya din rail smart electric energy meter is an intelligent metering solution integrating Tuya smart technology and WIFI communication, designed for ToB clients pursuing digital and intelligent energy management. As a Class 1.0 precision digital smart kWh meter, it supports real-time remote monitoring, energy consumption analysis and intelligent equipment management, perfectly adapting to high-power scenarios such as modern smart homes, light industrial facilities and commercial buildings. This 380V WIFI Tuya smart meter features dual connection (bottom/upside) and a clear digital display, with a maximum current of 100A to meet the metering needs of high-energy-consumption electrical systems. Equipped with a 18-month warranty and professional technical support, it is the first choice for smart home solution providers, property management companies and industrial energy management service providers seeking to upgrade their metering systems to intelligent, data-driven platforms.
Integrated with Tuya WIFI communication technology, the meter enables 24/7 real-time energy consumption monitoring via smartphone apps. ToB clients and end-users can check voltage, current and power consumption data anytime and anywhere, realizing remote tracking of energy usage for buildings and industrial equipment—eliminating the need for on-site manual meter reading and improving management efficiency.
Maintaining Class 1.0 accuracy and a starting current of 0.04%Ib, the ETU02 ensures precise metering for both light and heavy loads. It supports 3×220/380V, 3×230/400V and 3×240/415V three-phase voltage systems, with a maximum current of 100A, making it a reliable three phase smart energy meter for high-power industrial and commercial scenarios.
Featuring bottom and upside dual connection design and 35mm standard din rail mounting, this meter adapts to various distribution cabinet wiring layouts, reducing on-site construction complexity for bulk installation. Its compact size (126mm×77mm×97mm) and digital display ensure clear data reading and space-saving deployment.
The meter automatically collects high-precision real-time energy data and generates detailed energy consumption analysis reports via the Tuya smart platform. These reports provide in-depth insights into energy usage patterns, peak/off-peak consumption and equipment energy efficiency, helping ToB clients optimize energy management strategies and reduce operational costs.


A core device for smart home energy management systems, deployed by smart home solution providers to realize unified monitoring and remote control of household high-power equipment (air conditioners, water heaters, etc.) for residential communities and high-end apartments.
Suitable for energy metering and management in light industrial workshops, small factories and processing plants, where it tracks the energy consumption of production equipment and helps optimize production processes to reduce energy waste.
Ideal for shopping malls, office buildings and industrial parks, enabling property management companies to conduct multi-point centralized energy monitoring, realize sub-area and sub-equipment billing, and improve the overall energy efficiency of buildings.
Serves as a metering solution for distributed photovoltaic and energy storage supporting systems, providing accurate energy data for grid connection and energy scheduling, and adapting to the development of new energy industries.
Tepsung provides tailored OEM customization services for the ETU02 smart meter to meet the personalized needs of ToB clients in the smart energy industry. We support custom logo printing, brand-specific packaging design and minor technical parameter adjustments for the Tuya smart system. For bulk orders, our professional technical team can also provide customized APP interface development and data docking with the client’s own energy management platform, with one-stop technical support from sample testing to bulk production.
Intelligent Technology Integration: As a specialized and innovative enterprise in the electrical field, we have in-depth cooperation with Tuya Smart, ensuring stable and compatible WIFI communication and intelligent functions of the meter.
18-Month Long Warranty: We provide an 18-month quality guarantee for all smart meters, with free replacement and maintenance for non-human damage, reducing the after-sales costs of ToB clients.
Professional Technical Guidance: We offer detailed user manuals, operation videos and on-site technical training for the Tuya smart platform, ensuring clients can quickly deploy and use the meter system.
One-Stop Solution: From product customization to logistics distribution and after-sales support, we provide a full-chain service for bulk projects, matching the delivery cycle and project progress of clients.
Global Logistics & Compliance: Our products meet international electrical standards, with flexible shipping options (air/express for small orders, sea for bulk orders) to support cross-border smart energy projects worldwide.
