Siemens SIRIUS 3SK1 Manual page 139

Procedure
Step Instructions
1 Insert the push-in lugs into the
openings provided on the device until
they engage.
2 Hold the device up to the surface
prepared for screw fastening.
3 Insert the screws through the
elongated holes into the push-in lugs.
4 Screw the device onto the level
surface so that it is secure.
Tightening torque: 1 Nm
SIRIUS 3SK1 safety relays
Manual, 06/2018, A5E02526190021A/RS-AD/004
8.3 Mounting the devices on a level surface
Figure
17.5 mm and 22.5 mm devices
90 mm device
Mounting
139