Terminal Coding - Siemens SIRIUS 3SK1 Equipment Manual

Mounting

7.2 Terminal coding

7.2 Terminal coding
You can provide the terminals with coding pins (3ZY1440-1AA00). This helps you to avoid errors
when replacing the terminals.
Figure 7-1
Figure 7-2
124
Module with coding pins
Stud position rotated by 60° in each case
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005