Siemens SIRIUS 3SK1 Manual page 126

Mounting
8.3 Mounting the devices on a level surface
Procedure
Step Instructions
1 Insert the securing brackets
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
oblong holes in the securing
brackets.
4 Screw the device onto the
level surface so that it is
secure.
Tightening torque: 1 Nm
126
Figure
17.5 mm and 22.5 mm devices
90 mm device
Manual, 04/2013, A5E02526190021A/RS-AA/01
3SK1 safety relays