User Manual
Accessories   
11.2 Protection 
  SIRIUS ACT 3SU1 pushbuttons and signaling devices 
252  System Manual, 02/2015, A5E03457306020A/RS-AB/002 
Description
Article number
Locking device for selector switches (short / long 
actuator), position on left 
(suitable for front plate thickness of < 4 mm) 
3SU1950-0DQ80-0AA0 
Locking device for selector switches (short / long 
actuator), position in center 
(suitable for front plate thickness of < 4 mm) 
3SU1950-0DR80-0AA0 
  Locking device for selector switches (short / long 
actuator), position on right 
(suitable for front plate thickness of < 4 mm) 
3SU1950-0DS80-0AA0 
  Locking device for selector switches (short / long 
actuator), position on left only 
(suitable for front plate thickness of < 4 mm) 
3SU1950-0DT80-0AA0 
Locking device for selector switches (short / long 
actuator), position on right only 
(suitable for front plate thickness of < 4 mm) 
3SU1950-0DU80-0AA0 
11.2.6
Cover for locking device 
The cover for locking devices is designed to prevent unauthorized actuation. 
Description 
Article number 
3SU1950-0DV80-0AA0 (http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10221534) 
Cover for locking device 
(front plate thickness of < 4 mm) 










