Mounting The Devices On A Level Surface - Siemens SIRIUS 3SK1 Equipment Manual
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7.3
Mounting the devices on a level surface
Requirements
Please note the following requirements for mounting on a level surface:
• Mounting position: Any (except 3SK1213). With 3SK1213: +/- 22.5° lateral inclination.
• Clearances: The distance to be maintained at the side with side-by-side mounting is 0 mm.
The distance to be maintained at the side from grounded parts is 5 mm.
• Properly executed drill holes with thread or plug on the level surface.
For details of the distances between the drilled holes, refer to the relevant dimension
drawings (Page 195).
• Two headed screws for 17.5 mm or 22.5 mm devices / four headed screws for 90 mm devices
to fit the holes M4 x 12 in accordance with DIN 784.
• Plastic push-in lugs: Refer to the accessories list for the relevant article number in the chapter
"Accessories (Page 227)".
Procedure
Figure 7-3
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
17.5 mm and 22.5 mm devices
7.3 Mounting the devices on a level surface
Mounting
125
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