Data Sheet for Product

Dimensions
Type
∅
1
∅
2
H1 (NC)
H2 (NO)
L
[mm] [kg]
STA..21..
39 40.5
68 -
>32 0.10
STP..21.. - 72
Revision no.
Type Item number Valid from
rev. no.
Type Item number
Valid from
rev. no.
STA121 S55174-A177 ..A STP121 S55174-A179 ..A
STA121.L20 S55174-A181 ..A STP121.L20 S55174-A183 ..A
STA121.L20H S55174-A195 ..A STP121.L50 S55174-A187 ..A
STA121.L50 S55174-A185 ..A STP321 S55174-A180 ..A
STA321 S55174-A178 ..A STP321.L20 S55174-A184 ..A
STA321.L20 S55174-A182 ..A STP321.L50 S55174-A188 ..A
STA321.L20H S55174-A196 ..A
STA321.L50 S55174-A186 ..A
Issued by
Siemens Switzerland Ltd
Smart Infrastructure
Global Headquarters
Theilerstrasse 1a
CH-6300 Zug
[phone]
www.siemens.com/buildingtechnologies
© Siemens Switzerland Ltd, 2021
Technical
specifications and availability subject to change without notice.
Document ID
A6V12986007_en--_b
Edition
2022-02-07