User Manual

Accessories
11.2 Protection
SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 02/2015, A5E03457306020A/RS-AB/002
251
11.2.5
Locking device
Note
The front plate thickness is restricted to < 4 mm for all accessory components that are
installed beneath an actuator
Locking devices are designed to protect pushbuttons and switches against unauthorized
actuation.
Description
Article number
3SU1950-0D (http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10221534)
Locking device for pushbuttons, flat
(suitable for front plate thickness of < 4 mm)
3SU1950-0DM80-0AA0
Locking device for pushbuttons, raised
(suitable for front plate thickness of < 4 mm)
3SU1950-0DN80-0AA0
Description
Article number
Locking device for mushroom pushbuttons in diame-
ter 30 mm or 40 mm
(suitable for front plate thickness of < 4 mm)
3SU1950-0DP80-0AA0
Note
Locking devices for selector switches require a hole (diameter 22.5 mm) with knock
-out to
prevent
unauthorized switch actuation.