Siemens Electrical Lean Switch Installation Instructions Manual page 40

Installation and Maintenance
Installation on a SIMATIC S7-300 Standard Rail
1. First secure the supplied brackets to the left and right of the ELS.
2. Fit the guide on the top of the ELS casing into the S7 rail.
3. Screw the ELS to the bottom of the standard rail.
Figure 14. Installing an ELS TP40 on a SIMATIC S7-300 Standard Rail
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Industrial Ethernet
A5E00152007-03