Design; Terminal Assignment - Siemens SIRIUS 3SK1 Equipment Manual

5.5.2.3

Design

①
②
③
④
⑤
⑥
⑦
5.5.2.4

Terminal assignment

A1
A2
+
+
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
Top cover flap
Top cover flap; internal inscription
Display LEDs
Bottom cover flap
Bottom cover flap; internal inscription
DataMatrix code
Device identification label
Terminal
L+
N-
+24 V DC
+24 V DC
3SK1 / 3RQ1 devices
5.5 3SK1 input expansions
Explanation
109