Sonoff Smart Stackable Power Meter Main Unit Sonoff Smart Stackable Power Meter Main Unit Sonoff Stackable Power Meter realises smart management with overload protection, metadata monitoring and electricity statistics. In addition, you can also activate the overload delay to avoid spurious triggering. One SPM-Main can be connected with up to 32SPM-4Relays. Each channel can support maximum current of 20A, no fear of high power load. **Note : The Main Unit and 4-Relay of the Stackable Power Meter need to be used together. The Main Unit is connected to at least one 4-Relay to function ** Scene not supported yet have request to be a feature realese Back to store R998,00 Add to cart
