SKU: SPM-Main
In stock
Sonoff SPM-Main smart main unit with energy monitoring, Ethernet and Wi-Fi, expandable with up to 32 SPM-4Relay modules.
The Sonoff SPM-Main relay measures energy consumption and supports connectivity via both Ethernet and Wi-Fi. You can combine it with up to 32 SPM-4Relay switches (4 channels each), which are available to purchase separately. What's more, overload protection prevents damage to your devices.
This stackable power meter delivers smart management with overload protection, data monitoring and electricity statistics. The SPM-Main unit connects up to 32 SPM-4Relay modules.
Once overload protection is enabled, there is no need to worry about electrical appliances burning out, helping to remove potential safety hazards. You can also set an overload activation delay to avoid false triggering.
Track the power consumption of each stall or manage an entire shopping centre from one place. With the eWeLink app on your mobile phone, you can monitor electricity usage remotely and view power consumption with a single tap.
