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Cleveland Controls AFS-A Air Pressure Sensing Switch

Cleveland Controls AFS-A Air Pressure Sensing Switch
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Cleveland Controls AFS-A Air Pressure Sensing Switch

Cleveland Controls AFS-A Air Pressure Sensing Switch

SKU: AFS-A
In Stock 33
Rating:
$30.49 /ea
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Cleveland Controls AFS-A Air Pressure Sensing Switch with Adjustable Set Point Range

Model AFS-A is a general purpose airflow proving switch designed for package burners, furnaces, and fuel-burning equipment. AFS-A accurately senses positive, negative, or differential air pressure. The plated housing contains a diaphragm, a calibration spring and a snap-acting SPDT switch. The AFS-A has a field adjustable set point range of 0.05″ wc to 12.0″ wc. The screw terminals and set point adjusting screw are protected by an enclosure that accepts ½” conduit. The sample connection located on the low pressure side of the diaphragm accepts ” pipe. The sample connection located on the high pressure side of the diaphragm accepts ¼” pipe.
Mounting Position Mount with the diaphragm in any vertical plane.
Set Point Range 0.05 ± 0.02" w.c. to 12.0"w.c. (1.27 mm w.c. to 304.8 mm w.c.) (0 to 0.43 psi)
Field Adjustable Operating Range 0.07"w.c. to 12.0" w.c.
Field Adjustable Release Range 0.04"w.c. to 11.2" w.c.
Approximate Switching Differential Progressive, increasing from 0.02 ± 0.01"w.c. at minimum set point to approximately 0.8" w.c. at maximum set point.
Measure 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 maxi - mum 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, 60 Hz.

Following are the Attached files for this product:

Cleveland Controls AFS-A Air Pressure Sensing Switch Datasheet

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