User Manual
3SU18 enclosures   
8.2 Enclosures with EMERGENCY STOP devices 
  SIRIUS ACT 3SU1 pushbuttons and signaling devices 
156  System Manual, 02/2015, A5E03457306020A/RS-AB/002 
8.2.1
Overview of enclosures with EMERGENCY STOP mushroom pushbuttons 
EMERGENCY STOP mushroom pushbuttons are certified according to ISO 13850/EN 418. 
The EMERGENCY STOP mushroom pushbutton enables fast and safe stopping of systems 
in dangerous situations. The metal version is suitable for use even in the harshest 
conditions. 
EMERGENCY STOP devices can be connected directly via the standard AS-Interface with 
safety-related communication. 
  Enclosure  Enclosure with collar 
Material 
Article number 
Plastic  3SU1801-0NA00 
(http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10221523) 
3SU1801-0NA00-2AA2 
3SU1801-0NA00-2AC2 
Metal  3SU1851-0NA00 
(http://mall.industry.siemens.com/mall/en/en/Catalog/Products/10221523) 
3SU1851-0NA00-2AA2 
3SU1851-0NA00-2AC2 










