Cleveland Controls Model AFS-262 Pressure Proving Switch

Description: 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. Features: 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.