Zigbee Energy Meter - Power Cut Off

Hi Guys,

Hope this is posted in the correct place, I am looking at using Zigbee hardware to complete the following task.

I want to switch off a domestic water pump after a certain amount of energy is used per day (kWHr). Essentially so that the house does not flood when I am out

The relationship between kWHr and flow rates is directly proportional so I want to have it setup that the Zigbee power meter removes power after 400Wh is used.

Cosidering somthing like the below device.

https://www.amazon.co.uk/dp/B0CB3NS1S8/?coliid=I13MDTGIN7H9JX&colid=224WQTZYBD41Q&psc=0&ref_=list_c_wl_lv_ov_lig_dp_it

I suppose the first port of call is that is this possible using Zigbee,

I am not familiar with the system but am an electrical engineer with some coding experience (None Zigbee)

Any help greatly appreciated

It depends on your situation. Zigbee works best when you have lots of mains-powered devices (lights, sockets) to forward messages round the network. It’s not good at simple point-to-point connections. You might be better looking at wi-fi.

Not knowing how much power your motor needs, as an EE you’re probably aware that any relay you use for a motor will have to be spec’ed as much as 3x higher to accommodate startup inrush current.

That said, here’s a nice write up for a Zigbee high-power (30A) relay that provides energy monitoring in HA. There are also several WiFi devices available with similar features, but look for locally-controlled (cloud-independent) WiFi like Shelly, Tasmota, or ESPhome for best results. Here is a 10A option, for example.