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AFS-222

Air Flow Switch
Automation Components (ACI) | Part Number: AFS222
$33.81

The AFS-222 is a differential pressure switch, it is a general purpose proving switch designed for both HVAC and Energy Management applications. Has a input range of 0.02" to 12" wc and has a 0.04" to 11.2" wc release range.

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These pressure switches can be used to sense positive, negative, or differential air pressures. All units contain a diaphragm, calibration spring, and a snap acting SPDT switch. The enclosure cover guards against accidental contact with the live switch terminal screws and the setpoint adjustment screw
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AFS-222 Technical Data

Input Pressure Range
0.05 +/- 0.02" to 12" wc

Set Point Range
0.05 +/- 0.02" to 12.0" wc

Field Adjustable "Operate" Range
0.07 to 12.0" wc

Field Adjustable "Release" Range
0.04 to 11.2" wc

Approximate Switching Differential
Progressive, increasing from 0.02 +/- 0.01" wc
@ minimum set point to 0.8" wc @ maximum set point

Contact (Load) Rating
300 VA pilot duty @ 115 to 277 VAC, 60 Hz

Contact Arrangement
SPDT w/ Automatic Reset

Measured Media
Air or combustion by-products that will not degrade silicone

Maximum Pressure
0.5 PSI (0.03 Bar)

Life Expectancy
100,000 cycles minimum @ 1/2 psi (0.03 Bar) maximum pressure

Operating Temperature Range
-40 to 180F (-40 to 82C)

Operating Humidity Range
10 to 95% RH, non-condensing

Mounting Direction
Any vertical plane

Enclosure Material
Galvanized Steel

Electrical Connections
Screw type terminal with cup washers

Conduit Opening
Accepts 1/2" Conduit (7/8" (22.3 mm) opening)

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AFS-ACI.pdf
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