User Manual
  3SU18 enclosures 
  8.3 Enclosures with standard fittings 
SIRIUS ACT 3SU1 pushbuttons and signaling devices 
System Manual, 02/2015, A5E03457306020A/RS-AB/002 
157 
8.3
Enclosures with standard fittings 
Enclosures (standard fittings) with pushbuttons and indicator lights are available in the 
following versions:  
●  1 to 3 command points 
●  Operating voltage up to 500 V 
●  Vertical mounting type 
●  Plastic enclosures with plastic actuators and indicators. Metal enclosures with metal 
actuators and indicators 
●  Contact modules and LED modules for base mounting (are snapped into the enclosure 
lower part); screw terminals as standard; some versions also with spring-loaded terminals 
The enclosures have a recess for labeling plate(s). The color of the enclosure top is gray, 
and the enclosure lower part is black.  
Plastic version 3SU180 (http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10221523) 
No. of com-
mand points 
Fittings 
Color of the actuating or 
signaling element 
Label 
Article number 
1  Pushbuttons  Green  "I"  3SU1801-0AB00-2AB1 
Red 
"O" 
3SU1801-0AC00-2AB1 
White  "I"  3SU1801-0AD00-2AB1 
Black 
"O" 
3SU1801-0EB00-2AB1 
2  Pushbuttons 
Pushbuttons 
Red 
Green 
"O" 
"I" 
3SU1802-0AB00-2AB1 
Pushbuttons 
Pushbuttons 
Black 
Black 
"O" 
"I" 
3SU1802-0AC00-2AB1 
3  Pushbuttons 
Pushbuttons 
Indicator lights 
Red 
Green 
Clear 
"O" 
"I" 
"Without inscription" 
3SU1803-0AB00-2AB1 
Pushbuttons 
Pushbuttons 
Indicator lights 
Black 
White 
Clear 
"O" 
"I" 
"Without inscription" 
3SU1803-0AC00-2AB1 
Pushbuttons 
Pushbuttons 
Pushbuttons 
Red 
Black 
Black 
"O" 
"I" 
"II" 
3SU1803-0AD00-2AB1 










