McDonnell & Miller Series AF3 Air Flow Switches
• 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
• Brass, steel and aluminum construction
• 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)
