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SPDT Air Pressure Switch Fixed at 0.40" W.C.

Cleveland RFS Air Pressure Switch
$116.31
SKU: DFSH-CO
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More about this product

The DFSH-CO is an airflow proving switch designed for duct heater, oven, and other HVAC or Energy Management applications where a nonadjustable switch is desirable. It can be used to sense positive, negative, or differential air pressure.

Details:

  • Snap-acting SPDT switch
  • One 1/4" - 18 NPT female connector for the high pressure inlet, and one 1/8" - 27 NPT female connector for the low pressure inlet
  • Fixed to operate on pressure rise @ 0.40 ± 0.08" W.C.
  • Enclosure covered switch terminals
  • Conduit Opening: one ⅞" diameter opening, accept ½" conduit
  • Surface mount to a rigid flange via the 1" - 14 NPT externally threaded connector with PAL nut. This connector is also internally threaded (1/4" - 18 NPT) for rigid mounting to a pipe nipple.
  • Maximum Pressure: ½ psi (0.03 bar).
  • Operating Temperature Range: -40 ºF to 180 ºF (-40 ºC to 82 ºC).
  • 100,000 cycle minimum lifespan at ½ psi maximum pressure each cycle and at maximum rated electrical load.