Siemens SIRIUS 3SK1

Circuit diagrams
7.1 Internal circuit diagrams
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
105
7.1.2 Internal circuit diagrams for 3SK1 Advanced basic units
Basic unit 3SK1121-.AB40 Advanced relay instantaneous
_6WDUWXS7HVW\HVQR
_VLQJOHFKVHQVRUVGRXEOHFKVHQVRU
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_$XWRVWDUW0RQLWRUHG6WDUW
6(75(6(7
/RJLF

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6<6
Basic unit 3SK1121-.CB4. Advanced relay time-delayed
/RJLF
6<6
6(75(6(7
_$XWRVWDUW0RQLWRUHG6WDUW
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_VLQJOHFKVHQVRUVGRXEOHFKVHQVRU
_6WDUWXS7HVW\HVQR
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$
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$
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,1. ,1 7 3$5,1 7 ,1) ,16    
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