Siemens SIRIUS 3SK1 Equipment Manual page 143

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.
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
7.11 Removing 90 mm devices with device connectors from a standard mounting rail
Mounting
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