User Manual
SIRIUS ACT 3SU1 pushbuttons and signaling devices 
System Manual, 02/2015, A5E03457306020A/RS-AB/002 
23 
  Safety notes 
2 
DANGER 
Hazardous voltage. Will cause death or serious injury. 
•  Turn off and lock out all power supplying this device before working on this device. 
•  Secure against switching on again. 
•  Verify that the equipment is not live. 
•  Ground and short-circuit. 
•  Erect barriers around or cover adjacent live parts. 
DANGER 
Hazardous voltage. Will cause death or serious injury. 
Qualified Personnel.
The equipment / system may only be commissioned and operated by qualified personnel. 
For the purpose of the safety information in this documentation, a “qualified person” is 
someone who is authorized to energize, ground, and tag equipment, systems, and circuits 
in accordance with established safety procedures. 
Note 
Lamps and LED modules are designed solely for use with SIRIUS pushbuttons and signaling 
devices. They are not suitable for use in domestic lighting systems.
Note 
Always make sure that the components (particularly those with a holder or actuator) are 
securely in
stalled (free from vibration). Mount them on a support of at least 1 mm thickness. 










