3SK1 devices
5.2 3SK1 Advanced
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
63
5.2.7 3SK1121 Advanced basic unit time-delayed (with relay outputs)
5.2.7.1 Device features
MLFB:
3SK1121-xCB4y 24 V DC
(x) 1 = screw-type terminal; 2 = push-in terminal
(y) time delay 1 = 0.05 ... 3 s; 2 = 0.5 ... 30 s; 4 = 5 ... 300 s
Additional / alternative device characteristics
● 2 instantaneous enabling circuits (safety-related circuits, NO contacts)
● 2 time-delayed enabling circuits (safety-related circuits, NO contacts)
● Potentiometer for setting the delay time
● Time function: With OFF-delay
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