The 9007AO/CO range is an offer of plastic snap limit switches which has a broad selection of operator styles and contact arrangements in 10A and 15A versions. The 9007AB21 snap limit switch is composed of a fixed cast zinc body. The fixing is done by the body. It has a metal spring return roller lever plunger (RH bracket) operator with a traverse approach (2 directions). The movement of operating head is linear. It has form Z snap action contacts without positive opening operation. It is powered by 1 or 2 cables for 6 binder head screw terminals (AWG 22…14). It operates in a temperature range of -20°F to +185°F. The 9007AB21 snap limit switch is made of a cast zinc body. It weighs 0.17lb (US) and measures 2.5in in height, 0.95in in width, and 2.44in in depth. This limit switch complies with UL, CSA, and CE standards, and its protection level complies with IP20 (protected against solid objects). Square D limit switches are ideal for industrial environments : they are precise, robust, reliable, easy to install and offer high repeatability. A limit switch is a device that converts a mechanical motion into an electrical control signal