- Reduced price
![](https://www.expert4house.com/489-large_default/sonoff-pow-r3.jpg)
Another very important feature is that the output contact is normally closed: this means that in the absence of power supply or device failure, the operation of the loads downstream is in any case guaranteed.
Finally, the device benefits from the new native integration of eWeLink with Home Assistant to allow you to create unified dashboards to view the consumption of the various appliances:
Observing the dimensions of 162 × 122 × 46 mm and the construction features, it is immediately clear how it was designed to handle high loads with installation inside an electrical panel with DIN bar.
In particular, observing the connection terminals of the device, it can be seen that they are generously sized to accommodate electrical cables of the necessary section (4 mm2) to support such important loads (25 A):
The wiring diagram for connecting the device is quite basic:
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