Siemens SIRIUS 3SK1

Technical data
13.2 Basic units
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
215
3SK1121-.CB.1 3SK1121-.CB.2 3SK1121-.CB.4
Number of outputs as contact-
affected switching element as NO
contact safety-related
• as contact-affected switching
element
– as NC contact for reporting
function instantaneous
switching
0
– as NO contact for reporting
function instantaneous
switching
0
– as NC contact for reporting
function delayed switching
0
– as NO contact for reporting
function delayed switching
0
– as NC contact safety-related
instantaneous switching
0
– as NO contact safety-related
instantaneous switching
2
– as NC contact safety-related
delayed switching
0
– as NO contact safety-related
delayed switching
2
• as contact-less semiconductor
switching element
– safety-related
– delayed switching
0
– non-delayed
0
– for reporting function
– delayed switching
—
– non-delayed
0
Stop category according to DIN EN
60204-1
0 / 1
Design of the input
• cascading-input/functional
switching
Yes
• feedback input
Yes
• start input
Yes
Design of the electrical connection
jumper socket
No
Operating cycles maximum 1/h 360