{"product_id":"msr138dp-allen-bradley-safety-relay-24v","title":"MSR138DP | Allen-Bradley Safety Relay 24V","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley MSR138DP safety relay is designed to monitor safety devices and ensure reliable system shutdowns in emergency conditions. Operating at 24V AC\/DC, it supports multiple reset methods and provides high-integrity protection in compliance with international safety standards.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable width=\"100%\" style=\"height: 665.359px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 49.75px;\"\u003e\n\u003cth style=\"width: 23.5686%; text-align: left; height: 49.75px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003eCondition\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 76.0651%; height: 49.75px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003eNew\/Never Used Surplus\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28px;\"\u003e\n\u003cth style=\"width: 23.5686%; text-align: left; height: 28px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 76.0651%; height: 28px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003eAllen-Bradley\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 57px;\"\u003e\n\u003cth style=\"width: 23.5686%; text-align: left; height: 57px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003eCategory\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 76.0651%; height: 57px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\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\n\u003cspan\u003e\u003c\/span\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\"\u003eDrives\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cbr\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: 55.1875px;\"\u003e\n\u003cth style=\"width: 23.5686%; text-align: left; height: 55.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003ePart Number\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 76.0651%; height: 55.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003c\/span\u003e\u003cspan data-sheets-root=\"1\"\u003eMSR138DP\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 33.6719px;\"\u003e\n\u003cth style=\"width: 23.5686%; text-align: left; height: 33.6719px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eSubcatecory\u003c\/th\u003e\n\u003ctd style=\"width: 76.0651%; height: 33.6719px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\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\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eMotor Drives\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eSeries\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003eGuardmaster Minotaur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.75px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eFunction\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003eSafety Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eSupply Voltage\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003e24V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eSafety Contacts\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eAuxiliary Contacts\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eReset Methods\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003eAutomatic, Manual, Monitored\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eTerminal Type\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eLength\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003e114.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eWidth\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003e99 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 23.5686%; text-align: left;\"\u003eDepth\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 76.0651%;\"\u003e45 mm\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 \u003cspan data-sheets-root=\"1\"\u003eMSR138DP\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"538\" data-end=\"1114\" class=\"\"\u003eThe MSR138DP is part of the Allen-Bradley Guardmaster Minotaur series and carries catalog number 440R-MS138DP. It features two safety contacts and one auxiliary contact, with selectable automatic, manual, or monitored reset options. Engineered for use in safety circuits rated up to Category 4 (ISO 13849-1), Performance Level \"e\", and SIL 3 (IEC 61508), the relay ensures compliance in applications with high safety requirements. The compact housing includes screw terminal connections and a standard mounting profile, with dimensions of 114.5 mm (L) × 99 mm (W) × 45 mm (D).\u003c\/p\u003e\n\u003cp data-start=\"1116\" data-end=\"1136\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1138\" data-end=\"1930\"\u003e\n\u003cli data-start=\"1138\" data-end=\"1255\" class=\"\"\u003e\n\u003cp data-start=\"1140\" data-end=\"1255\" class=\"\"\u003e24V AC\/DC Supply Voltage: Supports dual-voltage operation for flexible installation in diverse control systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1257\" data-end=\"1386\" class=\"\"\u003e\n\u003cp data-start=\"1259\" data-end=\"1386\" class=\"\"\u003eDual Safety Contacts: Provides two normally open safety outputs for direct integration into E-stop or gate switch circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1388\" data-end=\"1480\" class=\"\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1480\" class=\"\"\u003eAuxiliary Contact: Includes one additional contact for signaling or status indication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1482\" data-end=\"1597\" class=\"\"\u003e\n\u003cp data-start=\"1484\" data-end=\"1597\" class=\"\"\u003eMultiple Reset Options: Supports automatic, manual, and monitored resets for tailored safety system behavior.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1599\" data-end=\"1711\" class=\"\"\u003e\n\u003cp data-start=\"1601\" data-end=\"1711\" class=\"\"\u003eHigh Safety Ratings: Certified for SIL 3 (IEC 61508), PL e and Category 4 (ISO 13849-1) safety compliance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1713\" data-end=\"1812\" class=\"\"\u003e\n\u003cp data-start=\"1715\" data-end=\"1812\" class=\"\"\u003eScrew Terminals: Standard screw-type terminals ensure secure and reliable wiring connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1814\" data-end=\"1930\" class=\"\"\u003e\n\u003cp data-start=\"1816\" data-end=\"1930\" class=\"\"\u003eCompact Dimensions: Small footprint of 114.5 × 99 × 45 mm enables integration into tight control panel spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1932\" data-end=\"2049\" class=\"\"\u003eThe MSR138DP delivers versatile safety relay functionality, meeting the most stringent industrial safety regulations.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":49105561354496,"sku":"MSR138DP","price":507.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/C7510936-01.jpg?v=1785549736","url":"https:\/\/alotechparts.com\/products\/msr138dp-allen-bradley-safety-relay-24v","provider":"Alo Tech Solutions","version":"1.0","type":"link"}