Push the device connectors together until they engage.
1. Mount the cover on the left of the rst device connector. The cover is included in the scope
of supply of the device terminator.
2. Set the slide switch in the device termination connector for the 3SK1 safety relays to the
following positions:
– below 3SK1 basic device
position 2 (bottom; i.e. open)
– below 3SK1211 output expansion
position 1 (top; i.e. closed)
(not applicable when mounting 3RM1 Failsafe motor starters)
3. Hold the device connector against the level surface prepared for screw fastening.
4. Insert the screws through the holes in the device connectors.
Mounting
7.12 Mounting 22.5 mm/17.5 mm devices with device connectors on the wall
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 145
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