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Cleveland Controls Model AFS-262 Pressure Proving Switch

Cleveland Controls Model AFS-262 Pressure Proving Switch

  • $49.50


Model AFS-262 Air Pressure Sensing Switch is a general purpose proving switch designed for HVAC and Energy Management applications. It may be used to sense positive, negative, or differential air pressure.


  • Mounting Position: Mount with the diaphragm in any vertical plane.
  • Set Point Range: 0.05 ± 0.035/-0.005"W.C. to 2.0" W.C.
  • Field Adjustable “Operate Range”: 0.07" W.C. to 2.0" W.C.
  • Field Adjustable “Release Range”: 0.04" W.C. to 1.9" W.C.
  • Approximate Switching Differential: Progressive, increasing from 0.02 ± 0.01" W.C. at minimum set point to approximately 0.1" W.C. at maximum set point.
  • Measured Media: Air, or combustion by-products that will not degrade silicone.
  • Maximum Pressure:. ½ PSI (0.03 bar).
  • Operating Temperature Range: -40F to 180F (-40 to 82C).
  • Life: 100,000 cycles minimum at  ½ PSI maximum pressure each cycle and at maximum rated electrical load.
  • Electrical Rating: 300 VA pilot duty at 115 to 277 VAC, 15 amps noninductive to 277 VAC, 60Hz.
  • Contact Arrangement: SPDT.
  • Electrical Connections: Screw-type terminals with cup washers.
  • Conduit Opening: ⅞" diameter opening accepts. ½” conduit.
  • Sample Line Connectors: Male, externally threaded 7⁄16" -24 UNS 2A thread, complete with nuts and self- aligning ferrules.
  • Sample Line Connections: Connectors will accept ¼” OD rigid or semi-rigid tubing.
  • Approvals: UL, FM, CSA, CE


Technical Literature for the AFS-262 Air Proving Switch Here. 

Air Switch Glossary Here.


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