3SK1 devices
5.3 3SK1 output expansions
3SK1 safety relays
80 Manual, 04/2013, A5E02526190021A/RS-AA/01
5.3.5 Output expansion 3SK1211
5.3.5.1 Device features
MLFB:
3SK1211-xBB00 24 V AC
3SK1211-xBB40 24 V DC
3SK1211-xBW20 110 ... 240 V AC / DC (wide-range supply)
(x) 1 = screw-type terminal; 2 = push-in terminal
Supply:
24 V AC:
● Activation via 24 V transformer is possible
24 V DC:
● An SELV / PELV power supply must be used for the infeed
110 ... 240 V AC/DC:
● Direct line supply connection L/N
Device properties:
● Slide switch for selecting the activation type (time-delayed / instantaneous)*
● 1 LED for status display
● 4 enabling circuits (safe circuits, NO contacts)
● 1 NC circuit as feedback contact for output expansion 3SK1211 to the up-circuit basic
unit
● 3ZY device connectors*
● Enclosure width 22.5 mm
● Removable terminals
* For 24 V DC variant only
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