The unit is rated IP65 / NEMA 4X

ensuring a perfect fit on 1/4" motor shafts without modifications

secured by a removable mounting tab or the integrated ratcheting wire clamp

like this 023Z5023

Cleveland Controls DFSH-CO Switch The unit is rated IP65The Cleveland Controls DFSH CO is a heavy duty, field proven fixed point air pressure sensing switch specifically designed for high demand HVACR environments, including duct heaters, industrial ovens, and energy management systems. This differential pressure switch comes with a protective enclosure box and is factory calibrated to actuate at a fixed set point of 0. 4" W. C. (+ 0. 08"), eliminating the risk of field tampering or drift. As a direct