Hays Cleveland Air Flow Switch. .05-12.0 WC GOLD CONTACTS
Model AFS-405 Air Pressure Sensing
Switch is a general purpose proving switch
with gold contacts designed for HVAC, Energy
Management and DDC (Direct Digital
Control) applications. Gold-contact switches
are commonly used in computer environments,
direct digital control, or wherever low
ampere currents are wired. Model AFS-405
may be used to sense positive, negative, or
differential air pressure.
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Quick Order Number: 173
Manufacturer: Hays/Cleveland Controls
Part Number: AFS-405
Weight: 1.25 lbs
Stocked Item*: Yes
Quantity Available*: 0
* If an order is placed where the item is a "Non-Stocked Item" or the quantity ordered is more than the quantity available, all items in stock will be shipped and the remainder of the items will be shipped as soon as we get the "backordered" items in.
Mounting Position: Mount with the diaphragm
in any vertical plane.
Set Point Range: 0.05 ± 0.02" w.c. to
Field Adjustable “Operate 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
Measured Media: Air, or combustion byproducts
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 1/2 psi
maximum pressure each cycle and at
maximum rated electrical load.
300 VA pilot duty at 115 to 277 VAC,
15 amps noninductive to 277 VAC, 60 Hz.
10 ma at 5 VDC (applies to dry circuit applications).
Contact Arrangement: SPDT.
Electrical Connections: Screw-type
terminals with cup washers.
Conduit Opening: 7/8" diameter opening
accepts ½" conduit.
Sample Line Connectors: Male,
externally threaded 7/16" 24 UNS 2A
thread, complete with nuts and selfaligning
Sample Line Connections: Connectors
will accept ¼" OD rigid or semi-rigid
Approval: UL, FM, CSA.
Shipping Weight: 1.2 lbs.