Siemens SIRIUS ACT 3SU1 - Page 407

3SU19 accessories
13.3 Protection
SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 08/2018, A5E03457306020A/RS-AK/010
407
Locking devices for mushroom pushbuttons
Description
Article number
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
3SU1950-0DP80-0AA0
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)".
Description
Article number
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
3SU1950-0DQ80-0AA0
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
3SU1950-0DR80-0AA0