Siemens SIRIUS 3SK1

3. Mount the new device
– Chapter "Mounting the devices on a level surface (Page 125)"
– Chapter "Mounting 22.5 mm/17.5 mm devices on a standard mounting rail (Page 129)"
– Chapter "Mounting the 90 mm devices on a standard mounting rail (Page 130)"
– Chapter "Mounting 22.5 mm/17.5 mm devices with device connectors on the wall
(Page 144)"
– Chapter "Mounting 90 mm devices with device connectors on the wall (Page 149)"
4. Connect the defective device at the terminals
– Chapter for 22.5 mm / 17.5 mm devices "Connecting the screw-type terminals
(Page 158)", "Connecting spring-loaded (push-in) terminals (Page 161)" and "Attaching
the terminals (Page 163)"
– Chapter for 90 mm devices "Connecting terminals (Page 168)" and "Mounting terminals
(Page 170)"
5. Set the DIP switches/slide switches and, if applicable, the times according to the defective
device.
After applying the supply voltage, the new 3SK1 basic unit checks whether the hardware
con󹪝guration matches the device con󹪝guration.
If there are no deviations, the system re-enters safety mode.
Connection
8.4 Device replacement
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
174 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005