User Manual
3SU12 compact units   
6.1 Overview 
  SIRIUS ACT 3SU1 pushbuttons and signaling devices 
124  System Manual, 02/2015, A5E03457306020A/RS-AB/002 
Pushbuttons with transparent button  
Labeling of the button is possible
see Chapter "Devices with labeling 
(Page 79)
" in this respect
Flat button 
Raised button 
Collar / Front ring material 
Article number 
Plastic / Plastic  3SU1201-0EB 
(http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10226601) 
•  Red 
3SU1201-0EB20-0AA0  --- 
•  Clear 
3SU1201-0EB70-0AA0  --- 
Plastic / Metal, matte  3SU1231-0EB 
(http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10226627) 
•  Red 
3SU1231-0EB20-0AA0  --- 
•  Clear 
3SU1231-0EB70-0AA0 
--- 
Metal / Metal   3SU1251-0EB 
(http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10226602) 
•  Red 
3SU1251-0EB20-0AA0  --- 
•  Clear 
3SU1251-0EB70-0AA0  --- 
The extension plunger compensates the distance between the pushbutton and the 
unlatching button of an overload relay. The length of the extension plunger can be adapted 
individually. 
Extension plungers 
Material  
Article number 
Plastic  3SU1900-0KG10-0AA0 
(http://mall.industry.siemens.com/mall/
en/en/Catalog/Products/10221537) 










