
The Shelly EM 50 A is a compact single-phase energy meter that gives you an accurate overview of energy consumption and production on two independent circuits. Ideal for residential and smaller commercial applications where the emphasis is on efficient energy management. With Wi-Fi and Bluetooth support, it's easy to connect to the network and set up your device in minutes. The Shelly Pro EM 50 A power meter offers 1% measurement accuracy and supports bi-directional monitoring, which is especially appreciated by owners of photovoltaic systems or renewable energy sources. You can use the consumption and performance data to analyse and optimise costs, and with mjS scripting you can create automation scenarios tailored to your exact needs. The Shelly Pro EM 50 A energy meter is compatible with platforms such as Home Assistant and supports voice assistants such as Amazon Alexa and Google Assistant, so you always have full control of your energy at your fingertips.

The Shelly Pro EM 50 A power meter offers flexible and reliable connectivity via Wi-Fi, LAN and Bluetooth, ensuring seamless integration into your smart home or industrial installation. Thanks to the possibility of simultaneous use of Ethernet and Wi-Fi, you are assured of stable communication and fast response. The device supports advanced protocols such as MQTT, inbound and outbound WebSocket, UDP and mTLS to ensure secure and efficient communication. Shelly Pro EM 50 A is also compatible with Home Assistant, allowing for easy integration and centralized management within a smart ecosystem.

The Shelly Pro EM 50 A supports bi-directional metering that allows real-time monitoring of both consumption and energy production. This feature is ideal for homes and commercial premises using photovoltaic systems or other renewable energy sources. With accurate metering, you can monitor how much energy your solar panels are producing and how much you are sending back to the grid, giving you full control over your energy flow. Shelly Pro EM 50 A helps you to optimise consumption, increase energy efficiency and reduce operating costs.

The Shelly Pro EM 50 A power meter allows monitoring of single-phase electrical systems at up to 3 separate points simultaneously, providing a detailed overview of energy flows. With instant notification capability, you get instant information about changes in power or consumption. The device also keeps a detailed history with 1-minute records for at least 60 days, allowing you to analyse long-term trends and optimise the operation of electrical systems in your home or commercial premises.

Shelly Pro EM 50 A offers full MODBUS protocol support, allowing easy integration into industrial energy management systems. This standardized communication protocol ensures reliable and efficient data transfer between Shelly Pro EM 50 A and other control units or software platforms. MODBUS support makes Shelly Pro EM 50 A the ideal solution for monitoring and managing energy consumption in industrial installations where accuracy, speed and scalability are important.

The Shelly Pro EM 50 A series introduces a revolutionary "virtual components" feature that changes the way you manage and control equipment from different manufacturers. With Shelly Smart Control, you can create virtual devices that make it easy to integrate other brands into a single control system. With this feature, you can control all smart devices, regardless of their origin, from one clear interface.

The Shelly Pro EM 50 A power meter delivers maximum convenience and flexibility by supporting voice assistants such as Amazon Alexa and Google Assistant, which allow you to control your device using voice commands. In addition, it offers advanced automation capabilities with MQTT, Webhooks, HTTPS and mjS scripting, making it an ideal choice for smart homes and commercial spaces. These technologies allow you to create complex scenarios such as automatic lighting control, blind synchronization, fan triggering or integration with smart home systems such as Home Assistant or Node-RED.


Ideal for industrial and domestic applications, the Shelly Pro EM 50 A provides accurate monitoring of voltage, current, power and energy with MODBUS support and data sampling up to every 100ms. It provides two-way power metering to monitor energy produced and consumed, analyzes the quality of the power grid, and protects equipment from voltage drops. Thanks to mjS scripting and web hooks, it enables local automation, for example controlling heating, cooling or charging electric cars based on production from photovoltaic panels. It stores historical data with 1-minute records for 60 days, making it easy to optimize the use of solar and wind systems.

The Shelly Smart Control app is the perfect tool for managing Shelly Pro EM 50 A and other devices in your smart home or commercial space. It allows you to easily monitor energy consumption on three independent phases, track historical data and analyze energy flows in real time. The intuitive interface makes configuring the device fast and convenient, whether you're at home, in the office, or on the go. The app supports unified control of all elements of the Shelly ecosystem, ensuring efficient management and centralized control of your entire energy infrastructure from one clear interface.
Shelly Group LLc., : 51 Cherni Vrah Blvd., building 3, floor 2 and 3, 1407 Sofia, Bulgaria, [email protected] , +359 2 957 1249
Specifications can be changed without notice. Images are for illustrative purposes only.