What is 3em and why you should download it
If you are looking for a smart and professional way to monitor and control your energy consumption, you might want to download 3em. 3em is a smart 3-phase energy meter that can measure the produced and used energy for each of the three phases of your electrical system. It can also control a contactor or a load up to 10 A, allowing you to switch on or off devices remotely or automatically. With 3em, you can access real-time and historical data on your power, voltage, current, overall energy, and power factor. You can also store your data in a free cloud for up to 365 days. By downloading 3em, you can benefit from:
Reducing your energy bills by identifying and eliminating redundant energy consumption
Protecting your appliances and machines from overconsumption, overvoltage, or power outages
Optimizing your solar and wind energy system by monitoring its efficiency and controlling the energy flow
Charging your electric car in a smart and eco-friendly way by using the excess energy from your renewable sources
Integrating 3em with other smart devices and platforms, such as voice assistants, home automation servers, and Arduino projects
In this article, we will show you how to download 3em for your device, how to use it to monitor and control your energy consumption, how to analyze and visualize your data with 3em, and how to integrate it with other smart devices and platforms.
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How to download 3em for your device
Downloading 3em is easy and fast. You just need to follow these steps:
Go to the official website of Shelly, the company that produces 3em, at
Add the product to your cart and proceed to checkout. You will receive an email confirmation with your order details.
Wait for your package to arrive. It will include the Shelly 3EM device and three current transformers (120 A each).
Connect the Shelly 3EM device to your electrical system according to the wiring diagrams provided in the user manual. You can find the manual at
Download the Shelly app on your smartphone or tablet from the App Store or Google Play.
Open the app and create an account or log in with an existing one.
Add the Shelly 3EM device to your app by scanning its QR code or entering its IP address.
Configure the device settings according to your preferences.
Congratulations! You have successfully downloaded 3em for your device. Now you can start using it to monitor and control your energy consumption.
How to use 3em to monitor and control your energy consumption
Using 3em is simple and intuitive. You can use 3em to monitor and control your energy consumption in the following ways:
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Preventative monitoring
One of the main advantages of 3em is that it can help you prevent energy waste and damage by alerting you of any abnormal conditions in your electrical system. You can set up custom alerts for each phase and each parameter, such as power, voltage, current, energy, and power factor. You can also set up thresholds for each alert, such as minimum, maximum, or average values. You can choose how to receive the alerts, such as push notifications, email, SMS, or webhooks. For example, you can set up an alert to notify you if the power consumption of a phase exceeds 10 kW, or if the voltage of a phase drops below 200 V. This way, you can take action before it is too late and avoid costly repairs or replacements.
Solar panels monitoring and control
If you have a solar or wind energy system, you can use 3em to monitor and control its efficiency and performance. You can measure the produced and used energy for each phase and see how much energy you are saving or exporting to the grid. You can also control the energy flow by switching on or off a contactor or a load connected to 3em. For example, you can set up a rule to switch on a water heater when the excess energy from your solar panels reaches a certain level. This way, you can make the most of your renewable energy sources and reduce your dependence on the grid.
Smart and efficient car charger
If you have an electric car, you can use 3em to charge it in a smart and eco-friendly way. You can connect your car charger to 3em and control it remotely or automatically. You can also monitor the charging status and duration of your car. For example, you can set up a schedule to charge your car during off-peak hours when the electricity rates are lower. Or you can set up a rule to charge your car only when the excess energy from your solar panels is available. This way, you can save money and reduce your carbon footprint.
How to analyze and visualize your data with 3em
Another benefit of 3em is that it allows you to access and download your data from the device or the cloud. You can view your data in real-time or historical charts on the Shelly app or web interface. You can also export your data in CSV format for further analysis. To make it easier for you to digest your data, we have created a free Excel template that you can use to visualize your data in different ways. You can download the template at under the "Downloads" section.
To use the template, you just need to follow these steps:
Open the Excel file and enable macros.
Go to the "Data" tab and click on "Import Data".
Select the CSV file that you have downloaded from 3em.
Wait for the data to be imported into the spreadsheet.
Go to the "Dashboard" tab and explore the different charts and tables that show your data.
You can customize the template according to your needs and preferences. You can change the time range, the units, the colors, and the filters. You can also create your own charts and tables using the data from 3em.
How to integrate 3em with other smart devices and platforms
The last thing we want to show you is how to integrate 3em with other smart devices and platforms. This way, you can enhance your smart home experience and create more possibilities with 3em. Here are some examples of what you can do:
Connect 3em with voice assistants
You can connect 3em with voice assistants like Amazon Alexa or Google Assistant and control it with your voice. You can also ask for information about your energy consumption or status. For example, you can say "Alexa, turn on the water heater" or "Hey Google, how much energy did I produce today?" To connect 3em with voice assistants, you need to use a third-party service like IFTTT or Home Assistant.
Connect 3em with home automation servers
You can connect 3em with home automation servers like Domoticz or OpenHAB and create more complex scenarios and rules with 3em. You can also integrate 3em with other devices and sensors in your home network. For example, you can create a rule that switches on a fan when the temperature in a room exceeds a certain level and the power consumption of that phase is below a certain threshold. To connect 3em with home automation servers, you need to use the MQTT protocol or the REST API.
Connect 3em with Arduino projects
You can connect 3em with Arduino projects and create your own custom devices and applications with 3em. You can also use 3em as a sensor or an actuator for your Arduino projects. For example, you can create a smart lamp that changes its color and brightness according to the power consumption of a phase. Or you can create a smart alarm that sounds when the voltage of a phase goes out of range. To connect 3em with Arduino projects, you need to use the serial communication or the HTTP requests.
Conclusion
In this article, we have shown you what 3em is and why you should download it. We have also shown you how to download 3em for your device, how to use it to monitor and control your energy consumption, how to analyze and visualize your data with 3em, and how to integrate it with other smart devices and platforms. We hope you have found this article useful and informative. If you have any questions or feedback, please feel free to contact us at . If you are ready to download 3em and start saving energy and money, click on the button below and order yours today!
FAQs
Here are some of the most frequently asked questions about 3em:
What are the technical specifications of 3em?
The technical specifications of 3em are as follows:
Power supply: AC 110-230V 10%, 50/60Hz
Power consumption: <1 W
Relay output: max 10A/230VAC
Current transformers: max 120A each
Measurement accuracy: 0.5%
Wireless/WiFi protocol: 802.11 b/g/n (2.4 GHz)
Operating temperature: -40C to +40C
Dimensions: 73 x 74 x 32 mm
How secure is 3em?
3em is very secure and reliable. It uses encryption and authentication protocols to protect your data and communication. It also has a built-in firewall and password protection to prevent unauthorized access. You can also disable the cloud service if you prefer to keep your data locally.
How much does 3em cost?
The price of 3em is $69.90 USD (excluding shipping and taxes). You can order it from the official website of Shelly or from one of their authorized distributors.
What is the warranty policy for 3em?
The warranty policy for 3em is two years from the date of purchase. If you have any issues or defects with your device, you can contact Shelly's customer service and they will assist you with the replacement or repair process.
What are some alternative products to 3em?
Some alternative products to 3em are:
Sense Energy Monitor: a smart home energy monitor that tracks your energy usage and gives you insights into your appliances and devices.
Efergy Engage Hub Kit: a wireless energy monitor that connects to your online account and lets you view your energy data on your smartphone or computer.
EmonPi: an open-source energy monitor that measures your power, voltage, current, frequency, and temperature.
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