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Product overview
Differential Pressure Switch, 0.05 to 12.0 inWC, SPDT, Auto Reset, Compression Fitting
Application
- Monitoring Filter Blockage
- Proof of Flow
- Prove Excessive or Insufficient Flow
- Alarms and Control
Product specifications
Input Pressure Range:
AFS-222: 0.05 +/- 0.02" to 12" wc
AFS-262: 0.05 +/- 0.02" to 2.0" wc
AFS-460: 0.40 +/- 0.06" to 12.0" wc
Set Point Range:
AFS-222: 0.05 +/- 0.02” to 12.0" wc
AFS-262: 0.07" to 2.0" wc
AFS-460: 0.40 +/- 0.06” to 12“ wc
Field Adjustable “Operate” Range:
AFS-222: 0.07" to 12.0" wc
AFS-262: 0.07" to 2" wc
AFS-460: 0.46" to 12" wc
Field Adjustable “Release” Range:
AFS-222: 0.04" to 11.2" wc
AFS-262: 0.04" to 1.9" wc
AFS-460: 0.46"w.c. to 11.2" w.c.
Approximate Switching Differential:
Progressive, increasing from 0.02 +/- 0.01" wc @ minimum set point to 0.8" wc @ maximum set point
Contact (Load) Rating:
AFS-222/AFS262: 300 VA pilot duty @ 115 to 277 VAC, 60 Hz; 15A non-inductive to 277 VAC, 60 Hz
AFS-460: 15A @ 125, 250, or 277 VAC / 1/2A @ 125 VDC, 1/4A @ 250 VDC / ¼ hp @ 125 VAC, ½ hp @ 250 VDC
AFS-460-137: 8A @ 250 VAC
Contact Arrangement:
AFS-222/AFS-262: SPDT w/ Automatic Reset
AFS-460: SPST-NC w/ Manual Reset
AFS-460-137: DPDP w/ Manual Reset
Media Types:
AFS-222/AFS-262: Air or combustion by-products that will not degrade silicone
AFS-460: Air
Maximum Pressure:
0.5 PSI (0.03 Bar)
Life Expectancy:
AFS-222/AFS-262: 100,000 cycles minimum @ 1/2 psi (0.03 Bar) max pressure / cycle & max load
AFS-460: 6,000 cycles minimum @ 1/2 psi (0.03 Bar) max pressure / cycle & max load
Operating Temperature Range:
-40 to 180ºF (-40 to 82ºC)
Operating Humidity Range:
10 to 95% RH, non-condensing
Mounting Direction:
Any vertical plane
Enclosure Material:
Galvanized Steel
Sample Line Connections:
Accepts ¼” OD rigid or semi-rigid metallic tubing using integral compression fitting, ferrule and nut
“-112 Option”: Includes two barbed fittings that accepts ¼” flexible plastic tubing
Electrical Connections:
Screw type terminal with cup washers
Conduit Knockouts:
Accepts ½” Conduit (7/8” (22.3 mm) opening)
Dimensions (H x W x D):
6.25” x 4.46” x 3.18” (158.8 mm x 113.3 mm x 80.8 mm)
Product Weight:
1.2 lbs (0.544 kg)
Agency Approvals:
UL, CUL, FM, CSA, CE, ISO 9001: 2008
