Terminal Explanation
23 - 24 Safety-related output 2 (NO contact, relay contact)
33 - 34 Safety-related output 3 (NO contact, relay contact)
43 - 44 Safety-related output 4 (NO contact, relay contact)
51 - 52 NC circuit as feedback contact (NC, relay contact)
5.3.6 Output expansion 3SK1213
5.3.6.1 Device features
Article number
3SK1213-xAB40 24 V DC
3SK1213-xAJ20 115 V AC
3SK1213-xAL20 230 V AC
x = 1: Screw-type terminal; x = 2: Spring-loaded (push-in) terminal
Supply:
24 V DC:
• An SELV / PELV power supply must be used for the infeed
115 V AC and 230 V AC
• 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
• 3 safety-related outputs (NO contacts),
• 1 NC circuit as feedback contact for the 3SK1213 output expansion for the upstream basic
unit
• 3ZY12 device connectors.
• Enclosure width 90 mm
• Removable terminals
3SK1 / 3RQ1 devices
5.3 3SK1 output expansions
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
94 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
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