Siemens 3TK28 - Level Surface Mounting Procedure

Mounting
4.3 Mounting the device on a level surface
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
185
4.3
Mounting the device on a level surface
Requirements
Please note the following requirements for mounting on a level surface:
● Please observe the information about the mounting position in the chapter "General
technical data (Page 18)".
● Two properly executed drill holes with thread or plug on the level surface
For details of the distances between the drilled holes, please refer to the relevant
dimension drawings in the chapter "Dimension drawings 3TK28 (Page 195)".
● Two screws with a maximum thread diameter of 4.8 mm
● Two plastic securing brackets
Please refer to the accessories list for the relevant article number in the chapter
"Accessories (Page 205)".
Note
The procedure is shown applied to the 45 mm housing. The procedure for 22.5 mm
devices is analogous.
Procedure for mounting on a level surface
Step
Operating instruction
Figure
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.