Condition Sensing

Literature

• Brochure [PDF]
• Catalog Information [PDF]

Selection & Configuration

• Build A Catalog Number
• Configuration and Selection Tools

Condition Sensing Switches and Controls

Level Switches

Bulletin 840 Float Switches

Allen-Bradley Float Switches are heavy-duty industrial control devices. They open and close contacts in response to changes in liquid level. Bulletin 840 Float Switches are available in five different styles with both motor and pilot duty contact ratings.

• Contact ratings NEMA A600 and N300
• Operating sensitivity from 2 - 5 inches
• Most models can be converted between tank and sump operation
• Eleven standard float switch operator assemblies available
• Rods, floats and cables are stainless steel
• Available in Type 1, 4 and 7/9 enclosures

Heavy-duty, quality manufacturing assures long-lasting controls with outstanding dependability. In addition to the standard rugged-duty styles, there are two lower-cost styles. A variety of accessories are available for wall or floor mounting and to accommodate different tank or sump depths.

Typical Applications

• Water treatment plants
• Storage tanks
• Water/waste water treatment plants