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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 SPDT Sensing Switch Cleveland Controls AFS-A Air Pressure 120v-277Vac Sensing Switch

Cleveland Controls AFS-A Air Pressure Sensing Switch

SKU: AFS-A
In Stock 37
Rating:
$34.40 /ea
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Cleveland Controls AFS-A is an airflow proving switch designed for package burners, furnaces, and fuel-burning equipment. This switch accurately senses positive, negative, or differential air pressure. The plated housing consists of a diaphragm, a calibration spring, and a snap-acting SPDT switch. Model 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 1/2" conduit. The sample connection located on the low-pressure side of the diaphragm accepts 1/8” pipe. The sample connection located on the high-pressure side of the diaphragm accepts 1/4" pipe.
Mounting Position Mount with the diaphragm in any vertical plane
Field Adjustable Operating Range 0.07" w.c. to 12.0" w.c.
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 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.
Operating Temperature Range -40F to 180F (-40 to 82C)
Measure Media Air,or combustion by-products that will not degrade silicone
Maximum Pressure 1/2 psi (0.03 bar)
Electrical Rating 300 VA pilot duty at 115 to 277 VAC, 15 amps noninductive to 277 VAC, 60 Hz
Life 100,000 cycles minimum at 1/2 psi maximum pressure each cycle and at maximum rated electrical load

Following are the Attached files for this product:

Cleveland Controls AFS-A Air Pressure Sensing Switch Technical Datasheet

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