Air Flow Switch – Vetrix PS-50AF


  • Renovated SPDT micro switch ensures the reliable switch function
  • Stainless steel paddle
  • Cut-in and cut-out
  • Brass level
  • IP65 housing

Vetrix PS-50AF Duct Air Flow Switches are designed to control and monitor air and non aggressive gases flow in ducts, chambers, etc.,of heating, cooling, and air conditioning equipment.


Model PS-50AF
Type Of Operation On/Off, single-stage, micro switch
Output SPDT, 24/250 VAC, 15 (8) A
Flow Rate Switching
        Cut-out Min. 1.0 m/sec, Max. 8.0 m/sec
        Cut-in Min. 2.5 m/sec, Max. 9.2 m/sec
Flow Rate Setting Adjustment Internal screw
Sensing Element Paddle
Paddle Size 3.2 x 6.9 in. (80 x 175 mm)
Paddle w/level – Length 7.9 in. (200 mm)
Flow Applications Air and non aggressive gases
Paddle Material Stainless steel
Paddle Level Material Brass
Permissible Ambient Temperature
       Housing -40°F to 185°F (-40°C to 85°C)
       Paddle 14°F to 185°F (-10°C to 85°C)
Permissible Ambient Humidity 10…90% RH, non-condensing
Cable entry M18 fitting
Housing Material Base: Steel, galvanized;  Cover: ABS, fire retardant or PC
Housing Color White
Housing Protection IP 65
Installation Duct mounted
Ship Weight 0.7kg


Vetrix PS-50AF Air Flow Switch_DpstarGroup


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