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Rugged and reliable the Series L4 Flotect® Float Switch operates automatically to indicate tank level. Perfect for starting or stopping pumps, opening or closing valves, or actuating level alarm signals. A unique magnetically actuated switching design gives superior performance. There are no bellows, springs, or seals to fail. Instead, the free-swinging float attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm. Float arm hinge design limits the arm angle to prevent vertical hang up.

Product Applications

• Direct pump control for maintaining level
• Automatic tank dump operations
• Control levels or provide alarms in sumps, scrubber systems, hydro-pneumatic tanks, low pressure boilers, and various water/wastewater treatment processes
• Level control
• Valve control

Features

• Superior performance due to unique magnetically-actuated switching design
• Long product life with no bellows, springs, or seals to fail
• Avoids clogs using a free-swinging float that attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm
• Prevents vertical hang up with float arm hinge design that limits the arm angle

Specifications

• Magnetically Operated Switch, Leak Proof Body, Explosion-Proof
  
• Wetted Materials: Float and Rod: 316 SS; Body: Brass or 316 SS standard; Magnet Keeper: 430 SS standard, 316 SS or nickel optional.
  
• Temperature Limits: 4 to 275°F (-20 to 135°C) standard, Process temperature -4 to 163°F (-20 to 73°C).
  
• Pressure Limit: Brass body 1000 psig (69 bar), 316 SS body 2000 psig (138 bar). Standard float rated 100 psig (6.9 bar). For other floats, see options.
  
• Enclosure Rating: Weatherproof and Explosion-proof
  
• Switch Type: SPDT
  
• Process Connection: 1-1/2˝ male NPT or 1-1/2˝ male BSPT standard, 2-1/2˝ male NPT or 2-1/2˝ male BSPT
  
• Compliance: ATEX, CE, CSA, FM, IECEx, UL

Models & Ordering