{"product_id":"440k-mt55029-allen-bradley-tongue-interlock","title":"440K-MT55029 | Allen-Bradley Tongue Interlock","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe 440K-MT55029 is a tongue interlock switch from Allen-Bradley, designed for safety applications requiring position monitoring of guards and access doors. Part of the Guardmaster line, it features a compact, rugged housing and a mechanical tongue actuator, ensuring secure machine access control.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"height: 313.5px; width: 101.648%;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 27.141%; text-align: left; height: 19.5938px;\"\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\"\u003e\u003cspan\u003e\u003cspan data-sheets-root=\"1\"\u003eNew\/Never Used Surplus\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 27.141%; text-align: left; height: 19.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0\" width=\"50%\" data-v-dbe417ec=\"\" style=\"width: 72.4975%; height: 19.5938px;\"\u003e\u003cspan\u003e\u003cspan data-sheets-root=\"1\"\u003eAllen-Bradley \u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 27.141%; text-align: left; height: 19.5938px;\"\u003e\u003cspan\u003eCategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\u003cspan\u003eSafety Systems\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 27.141%; text-align: left; height: 19.5938px;\"\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 72.4975%; height: 19.5938px;\"\u003e\u003cspan\u003e\u003cspan data-sheets-root=\"1\"\u003e440K-MT55029\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 27.141%; text-align: left; height: 19.5938px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem]  md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"flex gap-[1.75rem]  md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv\u003e\u003cspan\u003eSafety Interlock Switch\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.141%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cspan\u003eActuator\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\"\u003e\u003cspan\u003eFully-Flex\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.141%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cspan\u003eBBM or MBB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\"\u003e\u003cspan\u003eBreak Before Make\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 27.141%; height: 58.7812px;\"\u003e\u003cstrong\u003e\u003cspan\u003eConduit Entry\/Connection Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 72.4975%; height: 58.7812px;\"\u003e\n\u003cdiv class=\"sc-bczRLJ kKUFt\"\u003e\u003cspan class=\"TypographyStyle--11lquxl eejEsk\"\u003e\u003cspan\u003e1\/2in NPT Conduit\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.141%; height: 39.1875px;\" class=\"leftCol\"\u003e\u003cstrong\u003e\u003cspan\u003eContacts (Safety\/Auxiliary)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.4975%; height: 39.1875px;\" class=\"rightCol\"\u003e\u003cspan\u003e3 Normally Closed, 1 Normally Open\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.141%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cspan\u003eHousing Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\"\u003e\u003cspan\u003eMetal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.141%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cspan\u003eModel Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\"\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.141%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct Family\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan\u003eMT-GD2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.141%; height: 19.5938px;\"\u003e\u003cstrong\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.4975%; height: 19.5938px;\"\u003e\u003cspan\u003e1.20 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 440K-MT55029\u003c\/h4\u003e\n\u003cp\u003eThe\u003cstrong\u003e \u003c\/strong\u003e440K-MT55029 is a compact tongue interlock switch from Allen-Bradley’s Guardmaster Series, designed to enhance machine safety by ensuring access doors or guards remain closed before operation. With a mechanical key (tongue) actuator and robust enclosure, this safety switch is ideal for monitoring the position of sliding or hinged guards in industrial environments. Rated to IP67, it withstands dust, moisture, and vibration, making it a reliable component in safety interlock systems for machinery and automation equipment.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCompatibility: Allen-Bradley Guardmaster Series safety systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSwitch Type: Tongue interlock switch for mechanical key actuation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafety Function: Prevents machine operation when guard doors are open or misaligned\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContact Configuration: 2 N.C. safety contacts + 1 N.O. auxiliary contact (typical)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHousing Material: Rugged, compact enclosure (plastic or metal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounting Orientation: Suitable for hinged or sliding guard doors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIngress Protection: IP67 – dust tight and water-resistant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eActuator Type: Mechanical tongue\/key (must be inserted to operate)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectrical Ratings: Compatible with low-voltage safety control circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandards Compliance: ISO 14119, IEC 60947-5-1, UL, CSA, CE certified\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis tongue interlock switch is ideal for OEMs, machine builders, and safety system integrators requiring a dependable, tamper-resistant solution to help protect personnel from access to hazardous machine areas during operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":49105492508928,"sku":"440K-MT55029","price":316.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/64de2250d8b6439c94640c6f2d36046d.jpg?v=1785548043","url":"https:\/\/alotechparts.com\/products\/440k-mt55029-allen-bradley-tongue-interlock","provider":"Alo Tech Solutions","version":"1.0","type":"link"}