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Sonoff Smart Stackable Power Meter (Main Unit)

A smarter and more efficient energy management

Sonoff SPM-Main smart switch is your way to a smarter and more efficient energy management. With the ability to measure power consumption and connect via both Ethernet and Wi-Fi, it becomes easy to keep track of energy usage in your home or workplace.

Expandable and versatile

With the capacity to handle up to 128 channels, you can combine it with up to 32 SPM-4Relay switches (with 4 channels each), which can be purchased separately. The overload protection is an additional safety feature that prevents damage to your devices.

Many possibilities

The SPM-Main switch is not only smart but also versatile. Whether you want to monitor power consumption in your rental properties, a shopping center, an office, a server room, or a cryptocurrency mine, this smart switch is the perfect choice. The overload protection feature is especially useful in environments where the equipment is sensitive and expensive to replace.

Unique features

The unique feature of SPM-Main is its reliable Ethernet connection, which allows you to control and monitor power consumption and ensure that your equipment is protected.

Conclusion

Sonoff SPM-Main smart switch is an excellent choice for those who want to efficiently monitor and control power consumption. With the ability to combine up to 128 channels and the built-in overload protection, your equipment is in safe hands. The installation is simple, and the reliable communication with the cloud via Ethernet makes it easy to manage and monitor your energy usage..iaai