Siemens SIRIUS ACT 3SU1 - Disassembly of the Button

3SU10 pushbuttons and indicator lights
5.3 Mounting
SIRIUS ACT 3SU1 pushbuttons and signaling devices
122 System Manual, 08/2018, A5E03457306020A/RS-AK/010
5.3.10
Disassembly of the button
The buttons of the pushbuttons and illuminated pushbuttons can be replaced from the front
by the user.
Procedure:
Insert a precision screwdriver into the gap between the button and the front ring and lever
the button out.
Mounting the button
Procedure:
1. Place the button on the device ①. Make sure the insert label is correctly mounted
(aligned).
2. To prevent incorrect mounting when reattaching the button, coding lugs are positioned at
90° intervals. For this reason, turn the button to the left or right
② until the button
engages
③.