Siemens SIRIUS 3SK1

5.2.7.2 Design
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① Top cover 󹪞ap
② Top cover 󹪞ap; internal inscription
③ Display LEDs
④ Potentiometer for setting the delay time
⑤ DIP switch
⑥ SET/RESET button
⑦ Bottom cover 󹪞ap
⑧ Bottom cover 󹪞ap; internal inscription
⑨ DataMatrix code
⑩ Device identi󹪝cation label
5.2.7.3 Terminal assignment
Terminal Explanation
A1 +
A2 -
3SK1 / 3RQ1 devices
5.2 3SK1 Advanced
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
74 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005