4. Push the device connectors together until they engage.
5. Mount the cover on the left of the rst device connector piece and the device connectors
supplied in the set for enclosures of 45 mm upwards (right-hand side).
6. Note the clearances required for the 90 mm devices.
Mounting
7.10 Mounting 90 mm devices with device connectors on a standard mounting rail
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 139