Siemens SIRIUS 3SK1 Manual page 150

Mounting
8.13 Removing 22.5 mm/17.5 mm devices with device connectors from the wall
Step Instructions
5 Release the screws
6 Separate the device
connectors using a
screwdriver
7 Remove the cover
150
Figure
Manual, 04/2013, A5E02526190021A/RS-AA/01
3SK1 safety relays