Siemens UL 489 - Auxiliary and Signaling Switches

8 – 2
8.2 Auxiliary switches
Signaling switches
Wire no.
1 3
24
S1
X6.12
X6-12
X6.10
X6-10
X6.11
X6-11
X6.9
X6-9
1 3
X6.4
X6-4
X6.2
X6-2
X6.3
X6-3
X6.1
X6-1
X5.10
X5-10
X5.
8X5-8
X5.9
X5-9
X5.7
X5-7
X5.6X5-6
X5.4
X5-4
X5.
5
X5-5
X5.3
X5-3
S1, S2
Optional auxiliary switches
Internal
S3, S4
Optional additional auxiliary switches
0136-01_u
Wire no.
Te rm inals
Terminals
ba
1 3
24
S3
ba
1 3
24
S4
ba
24
S2
ba
S1
S2
S3
S4