User Manual
  3SU10 device range 
  4.2 Overview 
SIRIUS ACT 3SU1 pushbuttons and signaling devices 
System Manual, 02/2015, A5E03457306020A/RS-AB/002 
79 
4.2.2.14
Devices with inscription 
Inscription of actuating and signaling elements 
Direct inscription 
Actuating and signaling elements made of plastic or metal can be optionally inscribed with a 
laser. The laser inscription is applied to the actuator, or to the front ring in the case of the 
selector switch. 
The following types of device can be inscribed: 
●  Pushbuttons 
●  Illuminated pushbuttons 
●  Twin pushbuttons 
●  Mushroom pushbuttons 
●  Illuminated mushroom pushbuttons 
●  EMERGENCY STOP buttons 
●  Indicator light lenses 
●  Selector switches 
●  Key-operated switches 
Certain pushbuttons and twin pushbuttons with printed characters are available as standard. 
Inscription version 
A letter height of 4 mm is used as standard for text inscriptions: 
The typeface used is Arial. Other letter heights and typefaces are possible, but must be 
specified when ordering. 
The maximum possible number of characters per line is as follows: 
●  10 characters for one line of text 
●  8 characters for 2 lines of text 
●  6 characters for 3 lines of text, but 10 characters in the middle line. 










