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SONOFF Smart Wi-Fi Switch for Energy Metering SPM-MAIN
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- €53,39
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- €53,39
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Sonoff SPM-MAIN smart switch - easy energy consumption monitoring For anyone who wants to have a better overview of their electricity consumption at home or...
Vendor: Sonoff
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Sonoff SPM-MAIN smart switch - easy energy consumption monitoring
For anyone who wants to have a better overview of their electricity consumption at home or in the office, and is looking for a practical way to manage electrical installations via a Wi-Fi network.
- Allows remote monitoring and measurement of energy consumption
- User-friendly management via app
- Suitable for multiple devices
- Increased security with smart features
- Energy savings and greater control over consumption
Allows connection of up to 32 SPM-4-relay relays
You can connect 32 SPM-4 relays to one SPM-main. Each SPM-4Relay has 4 isolated channels, which helps you manage your devices more conveniently.
Consumption measurement (Smart Stackable Power Meter)
You can monitor the consumption measurement by checking the eWeLink app on your mobile phone. Easily get information about current, voltage and power.
Support up to maximum current 20A/channel
Each channel can support a maximum current of 20A without fear of being unable to operate more demanding loads
Enables RS-485 communication protocol
SPM-Main communicates with SPM-4 relays via RS-485, which enables multi-terminal and stable data transfer in case of longer connections
Overload protection
When overload protection is enabled, it can protect your devices from excessive electrical current
Note: The main unit (SPM-MAIN) and 4-relay power meters must be used together. The main unit must be connected to at least one 4-channel relay for operation.
Manufacturer's website: https://b2b.itead.cc/spm-main.html
Technical information:
Product type |
Wi-Fi smart switch | |
| Electrical voltage | 100-240V 50mA Max | |
| Contact type | Wet | |
| Wireless connectivity | Wi-Fi IEEE 802.11b/g/n 2.4GHz | |
| RF 433MHz | No | |
| DIY fashion | No | |
| Declaration of conformity | CE, FCC | |
| Operating temperature |
|
|
| Housing material | PC V0 |
User view
The SONOFF SPM-MAIN smart Wi-Fi switch for energy consumption measurement is most often chosen by users who want a better overview of electricity consumption at home, in the office or in small business premises. It is a practical solution especially for those who want to automate consumption control or make daily remote device management easier.
Modern users appreciate easy connectivity to an existing smart home and the ability to control via a mobile app. The reputation of the Sonoff brand, which is considered a reliable choice in the field of smart home components, is also important.
Why buy at Enaa
At Enaa, you can find a wide range of smart home solutions, where you can easily compare products within the same category and quickly find the right model for you. Our user experience and clear information help you choose the product that meets your needs.
Answers to frequently asked questions
What do I need to start using the SONOFF SPM-MAIN smart switch?
To operate, you need a stable Wi-Fi network and basic setup via a mobile app that guides you through the steps to connect and manage the switch.
Can I use this product to monitor the consumption of multiple devices at the same time?
The switch is suitable for installation in a system that allows monitoring the consumption of multiple devices in a room, but the specific support for the number of devices may vary depending on your overall smart home setup.
Is remote control possible?
Yes, you can control the switch and monitor its operation remotely if you have an internet connection in the room where the switch is installed.
What type of user is this module best suited for?
It is most used by those interested in optimizing energy costs, whether in a home environment or in spaces with multiple devices where consumption control is important for efficiency.
Can the switch be integrated into larger smart home systems?
Yes, the standard communication options make the switch suitable for integration into larger smart home management solutions, although it is recommended to check compatibility with your existing system.
Description updated: March 2026