123400 McDonnell & Miller AF3 AIR Flow Switch

Flow Switches – AirSeries AF3Air Flow SwitchesFeatures and BenefitsFor general purpose low velocity applications where the most economical flow switch is desiredPaddle fits 8" (203mm) minimum duct sizeTwo electrical knock-outs allow connection from either endBrass, steel and aluminum constructionSingle pole, double throw snap switchSensitivity adjusting screw makes flow adjustment easyCan be equipped with a time delay relayOptional featureTwo SPDT snap switchesMinimum ambient temperature 32°F (0°C)Maximum duct temperature 275°F (135°C)