Siemens SIRIUS 3SK1 Manual page 150

Mounting
8.9 Removing 22.5 mm/17.5 mm devices with device connectors from a standard mounting rail
Step Instructions
5 Separate the device connectors using
a screwdriver.
6 Remove the cover.
7 Press the device connector down.
8 Pull the lower half of the device
connector away from the standard
mounting rail.
9 Lift the device connector from the
upper edge of the standard mounting
rail.
150
Figure
SIRIUS 3SK1 safety relays
Manual, 06/2018, A5E02526190021A/RS-AD/004