
3SU19 accessories
13.3 Protection
SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 08/2018, A5E03457306020A/RS-AK/010
395
Typical diagrams
Description
Article number
Protective cap for twin pushbuttons, flat; material:
silicone
Suitable for:
•
An installation in enclosures (without recess for
labeling plates) is only possible in combination with
single-pole contact modules for front plate mounting
3SU1900-0DG70-0AA0
Protective cap for twin pushbuttons, raised; material:
silicone
Suitable for:
•
An installation in enclosures (without recess for
labeling plates) is only possible in combination with
single-pole contact modules for front plate mounting
3SU1900-0DH70-0AA0
The system, consisting of protective cap, actuator or signaling device and holder, can be
used in all areas according to DIN EN 1672-2 (Fig.: Classification of hygiene areas).
The holder must be installed in an enclosed space, e.g. control cabinet, distributor box. The
actuator or signaling device with its fitted protective cap must be mounted outwards (toward
hygiene area).
The temperature range in which the protective caps can be used is: -20 °C to +70 °C.
①
Non-foodstuff area
②
Foodstuff area: Foodstuff can get back into the main production flow.
③
Spraying area: Foodstuff cannot get back into the main production flow.
Figure 13-11 Classification of hygiene areas