Smart DIN rail switch SONOFF SPM-Main WiFi

Product detailed description

The Sonoff SPM-Main smart switch, which enables energy metering and supports both Ethernet and Wi-Fi connectivity. It can handle up to 128 channels - you can combine it with up to 32 SPM-4Relay switches (4 channels each), which can be purchased separately. Plus, overload protection prevents damage to your devices. The product is also very easy to install.

More apps
The SPM-Main switch will prove itself in many different applications. For example, it will allow you to find out how much electricity your tenants are using per month, or to find out the energy consumption in a shopping centre or office. The product will also prove itself in a server room or cryptocurrency mine - the overload protection function will allow you to prevent damage to certain equipment.

Reliable signal transmission
Enjoy the ability to connect your device. SPM-Main communicates with the cloud via Ethernet or Wi-Fi connection. It also connects to SPM-4Relay switches via RS-485, so it can provide stable transmission over long distances. Connection problems are a thing of the past!

Energy consumption meter
Do you want to control changes in energy consumption in individual rooms in your office? Or are you interested in how much electricity your tenants are using? With Sonoff it is possible! The SPM-Main and SPM-4Relay switches allow you to accurately measure your electricity consumption. All information can be found in the eWeLink app. So you can check your energy consumption without leaving the house - just reach for your phone!

Overload protection
Increase security in your server room and don't worry about damaging your devices. The switch offers an overload protection function. When activated, the device will automatically shut down when the current, voltage or power reaches the value specified in the application. A load delay function is also available.

Supports up to 128 channels
One SPM-Main module can control up to 32 SPM-4Relay switches. In addition, each SPM-4Relay offers up to 4 independent channels with a maximum load of 20 A each. This means that the SPM-Main module can operate up to 128 channels! This makes it ideal in an apartment building, for example, where it allows you to control the energy consumption of tenants in rented apartments.

Other devices
You can now store the history of your energy consumption measurements for the last 180 days. The switch is equipped with an SD card slot (8-32 GB, SDHC). This allows you to export the data conveniently and you can be sure that you will not lose any important information. You won't have any problems mounting the SPM-Main and SPM-4Relay switches either. You can easily mount them on the guide rail. Note: the SD card is not included in the kit.

Technical parameters:

Colour: White
Input: 100-240V ~50/60Hz 50mA max.
Wi-Fi: 802.11 b/g/n 2.4GHz
Material: PC V0
Dimensions: 142,5x90x66,5 mm
Compatible SD cards: 8-32 GB, SDHC