Siemens SIMATIC NET SCALANCE XR-300WG Operating Instructions Manual page 43

Follow these steps to install the device with a DIN rail:
1. In the recess on the top of the housing, there are two guides for receiving a DIN rail. Push the
DIN rail into the guides as shown in the following figure:
Figure 5-2
SCALANCE XR-300WG
Operating Instructions, 03/2021, C79000-G8976-C454-07
Connecting SCALANCE and DIN rail
5.4 DIN rail mounting / wall mounting
Installation
43