User Manual
3SU11 complete units   
5.2 Overview 
  SIRIUS ACT 3SU1 pushbuttons and signaling devices 
110  System Manual, 02/2015, A5E03457306020A/RS-AB/002 
5.2.2
Mushroom pushbuttons 
Overview of 40 mm diameter mushroom pushbuttons 
Mushroom pushbuttons are used to actuate contact modules. 
Their large, easily accessible button surface makes them easy to operate with the whole 
palm of the hand.  
By pressing or pulling these buttons, it is possible to generate up to 3 signals with just a 
single device.  
The actuator is available in diameter 40 mm. 
Mushroom pushbuttons are available in different variants according to the following features:  
●  Collar and front ring material 
●  Quantity and type of modules included in the scope of supply 
Typical diagram 
Collar / Front ring material
  Number of mod-
ules 
Number of NO 
contacts 
Number of 
NC contacts 
Article number
Plastic / Plastic  
3SU1100-1BA (http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10221498) 
•  Red 
1  0  1  3SU1100-1BA20-xCA0 
1 
1 
1 
3SU1100-1BA20-xFA0 
Plastic / Metal, matte 
3SU1130-1BA (http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10226607) 
•  Red 
1 
0 
1 
3SU1130-1BA20-1CA0 
1 
1 
1 
3SU1130-1BA20-1FA0 
Metal / Metal 
3SU1150-1BA (http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10221499) 
•  Red 
1 
0 
1 
3SU1150-1BA20-xCA0 
1 
1 
1 
3SU1150-1BA20-xFA0 
x: 1 = screw terminals
x: 3 = spring-loaded terminals 










