Siemens SIRIUS 3SK1

7.10 Mounting 90 mm devices with device connectors on a standard
mounting rail
Requirements
• A horizontal 35 mm wide mounting rail in accordance with DIN EN 60715 has been properly
secured at the installation location.
• Clearances: The distance to be maintained at the side with side-by-side mounting is 0 mm.
The distance to be maintained at the side from grounded parts is 5 mm.
• Please observe the information about the mounting position in the technical data
(Page 191).
• Use the device termination connector set for 3SK1 safety relays, > 45 mm wide.
Refer to the accessories list for the relevant article number in the chapter "Accessories
(Page 227)".
• Please observe the obligatory mounting rules in the chapter: "System con󹪝guration rules
(Page 120)".
Procedure
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1. Hang the back of the device connector onto the upper edge of the standard mounting rail.
2. Press the lower half of the device connector against the standard mounting rail until the
connector engages.
3. Repeat the procedure with all the required device connectors.
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
138 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005