McDonnell Miller 123400 AF-3 Air Flow Switch
Operating Velocity Range (FPM) 235 to 1445
Max. Operating Velocity (FPM) 1200
Voltage 120/240
Switch Type SPDT (Snap Switch)
Features and Benefits
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 (Sold Separate)
Minimum ambient temperature 32°F (0°C)
Maximum duct temperature 275°F (135°C)