Smart Switch Sonoff SPM-4Relay

Smart switch Sonoff SPM-4Relay

Smart switch Sonoff SPM-4Relay, which in conjunction with the SPM-Main module (sold separately) allows for power consumption measurement. It can handle 4 independent channels and also provides overload protection to safeguard your devices from damage. The product is very easy to install - you can easily mount it on a DIN rail.

Many applications

Switches Sonoff SPM-4Relay will be useful in many applications. For example, it will allow you to check how much electricity your tenants consume monthly, as well as the energy consumption in a shopping mall or office. The product will also prove useful in a cryptocurrency mine or a server room. Thanks to the overload protection feature, you will reduce the risk of damaging your devices.

Reliable connection

How does it all work? Sonoff It gives you the ability to connect devices. The main switch SPM-Main communicates with the cloud using Ethernet or Wi-Fi connectivity. This allows it to control the SPM-4Relay switches via RS-485. As a result, stable data transmission over long distances is ensured. Don't worry about connection issues!

Power consumption measurement

Are you interested in being able to monitor energy consumption in every room of the office? Or maybe you want to check how much electricity your tenants are using? Switches Sonoff SPM-Main and SPM-4Relay will enable you to do this! The devices allow for precise measurement of energy consumption, and convenient access to information is provided by the eWeLink app. You no longer have to leave your home to check power consumption - just reach for your phone!

Overload protection

Using brand switches Sonoff You can also increase security in a server room or cryptocurrency mine. The product offers an overload protection feature. Just activate it, and the connected equipment will be automatically turned off when the current parameters reach the values specified in the application. You can also take advantage of the load delay feature.

4 channels for each switch

Each SPM-4Relay switch offers 4 independent channels with a maximum load of 20 A each. Moreover, one SPM-Main can control up to 32 SPM-4Relay switches. This means that one main module can handle as many as 128 channels! This is an excellent solution, for example, for an apartment building, as it allows for monitoring energy consumption by tenants of rented apartments. Connect the switches together and enjoy the results!

Specification