Supply:
24 V AC:
• Control 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:
• For 24 V DC variant only: Slide switch for selecting the control type (time-delayed /
instantaneous)
• 1 LED for status display
• 4 safety-related outputs (NO contacts),
• 1 NC circuit as feedback contact for the 3SK1211 output expansion to the upstream basic unit
• 3ZY12 device connectors.
• Enclosure width 22.5 mm
• Removable terminals
3SK1 / 3RQ1 devices
5.3 3SK1 output expansions
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 91
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