Siemens Industry Online Support
Siemens AG
Entry ID: 109764311, Entry date: 05/02/2019

SIRIUS 3SK safety relays at a glance

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Both new and experienced users will quickly be able to access the most important documents and links for SIRIUS 3SK safety relays here.

The following links provide the most important information about SIRIUS 3SK safety relays:


Current software

SIRIUS Safety ES V1.0 + SP3



Product information

Additional information on 3SK
Broschure - The starter kit for more complex safety applications - SIRIUS 3SK2 safety relay complete with SIRIUS Safety ES parameterization software
Brochure - SIRIUS 3SK Safety Relays. Safety is a SIRIUS business

Application examples 

Application Manual - SIRIUS Safety Integrated


Equipment Manual - SIRIUS 3SK1 safety relays
Equipment Manual - SIRIUS 3SK2 Safety Relays
Operating Manual - SIRIUS engineering Safety ES V1.0

3TK282, 3TK283, 3TK284 and 3TK285 safety relays have not been available for ordering since October 1, 2018.
Exception: 3TK2810
You can order the successor generation of SIRIUS 3SK safety relays.

For old to new conversions, as well as for conversions from other suppliers, our conversion tool is available online.

If any further questions arise during your conversion activities, please do not hesitate to contact our Technical Support.

See Siemens Industry Mall for the 3SK successor devices.

In addition, the following FAQs are available:

Applicative conversion from 3TK28 to 3SK1 safety relays
Procedure for the conversion of 3TK2826 safety relay through 3SK2 safety relay
Application for conversion 3TK2845 to 3SK

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