The XCKM ATEX limit switches (3 cable entries) range is a historical Telemecanique format designed to offer multipurpose medium duty metal body products. The XCKM3921H29EX limit switch is composed of a fixed zamak body and a plunger head. The fixing is done by the body. It has a thermoplastic spring return roller lever plunger operator with a lateral approach (1 direction). The movement of operating head is linear. It has two normally closed and one normally open snap action contacts with positive opening operation. It has three cable entries tapped for M20 x 1.5mm cable gland and it is powered by screw-clamp terminals (clamping capacity : 1 x 0.34…2 x 0.75mm²). The contactor can perform an average of 20 million no-load operating cycles without mechanical failure. The XCKM3921H29EX limit switch is made of a zamak body. It measures 64mm in height, 63mm in width, and 30mm in depth. It complies with INERIS 04ATEX0014X and IEC-Ex INE 17.0020X standards, and its protection level complies with IP66 and IP67. Telemecanique Sensors 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
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