Enhance your machine safety with the Telemecanique Sensors XCSTR853 Guard Switch. This robust safety hinge switch features a durable polyamide PA66 fibre glass impregnated enclosure and a stainless steel spindle for reliable operation. Designed for demanding industrial environments, it offers a high level of protection with an IP67 rating and is built to withstand significant vibration and shock. The XCSTR853 ensures positive opening and is suitable for safety applications up to SIL 3 and PL e when used with an appropriate monitoring system.The Telemecanique Sensors XCSTR853 is a guard switch from the Telemecanique Safety switches XCS range. It features a turret head rotary axis operator with a 30 mm spindle. The switch is double insulated and uses slow-break contacts, with a composition of 3 NC (Normally Closed) contacts. It has a clamping connection capacity of 1 x 0.34 to 2 x 0.75 mm² and two entries tapped for 1/2 NPT cable. The enclosure is made of polyamide PA66 fibre glass impregnated, and the lever is stainless steel. It is rated for safety levels up to Category 4 and PL e according to ISO 13849-1, and SIL 3 according to IEC 61508. The switch has a B10d value of 5,000,000 operations. It is resistant to vibrations up to 50 gn and shocks up to 50 gn for 11 ms. The electrical shock protection class is Class II, and it has an IP67 degree of protection. Electrical ratings include AC-15 (Ue = 120 V, Ie = 6 A) and (Ue = 240 V, Ie = 3 A), and DC-13 (Ue = 125 V, Ie = 0.2 A) and (Ue = 250 V, Ie = 0.1 A). Resistance across terminals is 30 mOhm.