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Siemens AG
Entry type: FAQ Entry ID: 91689359, Entry date: 05/07/2014
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Safe switching of contactors size S6 to S12

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QUESTION:

How can the contactors size S6 to S12 be switched for fail-safe applications?

 

 

ANSWER:

Usually the switching capacity of fail-safe module is not enough to switch contactors of the sizes S6 to S12. To do so coupling links or SIRIUS 3SK1 safety relays have to be installed. In the following document both methods are explained in detail.

FAQ_91689359_Safe_switching_S6-S12.pdf (605 KB) ( 605 KB )

 

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