Siemens SIMATIC S7-1500 System Manual page 50

Dimensions for the drill holes
The following table contains the dimensions for the mounting rail drill holes.
Table 5- 2 Dimensions for the drill holes
"Standard" mounting rails
Length of the mounting rail Distance a
160 mm
482.6 mm
530 mm
830 mm
Additional fixing screws (for mounting rails > 530 mm)
For mounting rails > 530 mm, we recommend setting additional fixing screws at intervals of
≤ 500 mm on the identification groove.
S7-1500 Automation System
System Manual, 02/2014, A5E03461182-AB
Distance b
10 mm 140 mm
8.3 mm 466 mm
15 mm 500 mm
15 mm 800 mm
"Longer" mounting rails
Installation
5.2 Installing the mounting rail
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