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McDonnell Miller Series AF3 Air Flow Switches

Air Flow Switches
Series AF3

• For general purpose low velocity applications where the most economical flow switch is desired
• Paddle fits 8” (203mm) minimum duct size
• Two electrical knock-outs allow connection from either end

• Single pole, double throw snap switch
• Sensitivity adjusting screw makes flow adjustment easy
• Can be equipped with a time delay relay
• Optional feature
   – Two SPDT snap switches
• Minimum ambient temperature 32°F (0°C)
• Maximum duct temperature 275°F (135°C)

Select a link under the "item" tab below to order.

Cat #DescriptionsPart NumberWeight Ibs.(kg)
AF3Air flow switch - medium velocity1234001.7 (. 8)
AF3- DAF3 w/2 SPDT switches1234502.0 (. 9)
AF3- EAF3 - CE conformance rated1234011.7 (. 8)


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