In weather stations, BMU801 is located inside an enclosure, mounted on a DIN rail. BMU801 is typically preinstalled inside the enclosure at the factory. You can also install BMU801 into the enclosure on site.
The correct DIN rail type for BMU801 mounting is IEC/EN 60715 (35‑mm /1.38‑in) DIN rail.
Insert BMU801 on a DIN rail and snap it onto place.