Our Bulletin 840 Float Switches are heavy-duty industrial control devices. They open and close contacts in response to changes in liquid level. These switches are available in five different styles with both motor and pilot duty contact ratings.
To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.
Browse Literature Library where you can search for additional technical and commercial publications in more languages.
Search Literature Library
Visit our online resource for technical information, support chat and forums, software updates and product safety advisories/notices.
Typical applications for Bulletin 840 Float Switches include: