User Manual
SIRIUS ACT 3SU1 pushbuttons and signaling devices 
System Manual, 02/2015, A5E03457306020A/RS-AB/002 
5 
Table of contents 
1  Introduction................................................................................................................................. 11 
1.1  Responsibility of the user for system configuration and functionality ................................... 11 
1.2  Target group ..................................................................................................................... 12 
1.3  Purpose of this documentation .......................................................................................... 13 
1.4  Required knowledge .......................................................................................................... 14 
1.5  Scope of validity of the system manual .............................................................................. 15 
1.6  Further documentation ...................................................................................................... 16 
1.7  Siemens Industry Online Support ...................................................................................... 17 
1.8  Configurator for SIRIUS ACT command devices and signaling devices .............................. 19 
1.9  Advantages through energy efficiency ............................................................................... 20 
1.10  Recycling and disposal ...................................................................................................... 21 
1.11  Correction sheet ................................................................................................................ 22 
2  Safety notes ............................................................................................................................... 23 
2.1  Intended use ..................................................................................................................... 24 
2.2  Current information about operational safety ...................................................................... 25 
2.3  ATEX for intrinsically safe circuits ...................................................................................... 26 
3  Overview .................................................................................................................................... 29 
3.1  Overview of the device range ............................................................................................ 29 
3.2  Application areas ............................................................................................................... 31 
3.3  Types of 3SU10 actuating elements and signaling elements .............................................. 32 
3.4  Media resistance ............................................................................................................... 36 
3.5  Failure rates ...................................................................................................................... 37 
4  3SU10 device range .................................................................................................................... 39 
4.1  Application areas ............................................................................................................... 39 
4.2  Overview ........................................................................................................................... 41 
4.2.1  Holders ............................................................................................................................. 41 
4.2.2  Devices for use on 3-slot holder......................................................................................... 47 
4.2.2.1  22.5 mm pushbuttons ........................................................................................................ 47 
4.2.2.2  22.5 mm illuminated pushbuttons ...................................................................................... 49 
4.2.2.3  30.5 mm pushbuttons ........................................................................................................ 51 
4.2.2.4  Twin pushbuttons .............................................................................................................. 53 
4.2.2.5  Mushroom pushbuttons ..................................................................................................... 55 
4.2.2.6  Illuminated mushroom pushbuttons ................................................................................... 59 
4.2.2.7  22.5 mm indicator lights ..................................................................................................... 63 










