Siemens SIRIUS ACT 3SU1 System Manual page 407

Locking devices for mushroom pushbuttons
Locking devices for selector switches
The locking devices for selector switches are not suitable for mounting on enclosures.
Note
Locking devices for selector switches require a hole (diameter 22.5 mm) with knock-out (acc.
to IEC 60947-5-1 D22) to prevent unauthorized switch actuation.
You will also find information in Chapter "Mounting dimensions (Page 460)".
SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 08/2018, A5E03457306020A/RS-AK/010
Description
Locking device for mushroom pushbuttons
Suitable for:
Mushroom pushbuttons, 30 mm or 40 mm
•
diameter, with 22.5 mm mounting diameter
Installation in enclosures (command point in
•
center without protective collar) only in
combination with single-pole contact modules for
front plate mounting
Front plate mounting
•
Front plate thickness < 4 mm
Description
Locking device, left position
Suitable for:
Selector switches with 22.5 mm mounting
•
diameter, with short or long handle
Front plate mounting
•
Front plate thickness < 4 mm
Locking device, center position
Suitable for:
Selector switches with 22.5 mm mounting
•
diameter, with short or long handle
Front plate mounting
•
Front plate thickness < 4 mm
3SU19 accessories
13.3 Protection
Article number
3SU1950-0DP80-0AA0
Article number
3SU1950-0DQ80-0AA0
3SU1950-0DR80-0AA0
407