Siemens SIMATIC S7-1500 System Manual page 156

Installation
6.2 Installing the mounting rail
For ...
• Additional fixing screws (for mount­
ing rails > 482.6 mm)
Dimensions for the drill holes
Table 6-2 Dimensions for the drill holes
"Standard" mounting rails
Length of the mounting
rail
160 mm
245 mm
482.6 mm
530 mm
830 mm
Additional fixing screws (for mounting rails > 530 mm)
For profile rails > 530 mm, we recommend using additional fixing screws at intervals of
>482.6 mm on the identification groove.
156
use ...
M6 hexagon head screws according to
ISO 4017 (DIN 4017)
Distance a Distance b
10 mm 140 mm
10 mm 225 mm
8.3 mm 466 mm
15 mm 500 mm
15 mm 800 mm
Explanation
You also need washers for cylinder head
screws with an internal diameter of
6.4 mm and an external diameter of
11 mm in accordance with ISO 7092
(DIN 433).
"Longer" mounting rails
System Manual, 11/2022, A5E41814787-AD
S7-1500R/H redundant system