{"product_id":"440r-b23211-allen-bradley-safety-relay","title":"440R-B23211 | Allen-Bradley Safety Relay","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe Allen-Bradley 440R-B23211 (MSR117T) is a compact, single-function safety relay designed for monitoring safety devices such as emergency stop buttons and safety gate switches.\u003c\/span\u003e\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: 294px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 20.9091%; text-align: left; height: 19.6px;\"\u003eCondition\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 78.7273%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 20.9091%; text-align: left; height: 19.6px;\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eAllen-Bradley \u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 20.9091%; text-align: left; height: 19.6px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003eSafety Systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 20.9091%; text-align: left; height: 19.6px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e440R-B23211\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 20.9091%; text-align: left; height: 19.6px;\"\u003eSubcategory\u003c\/th\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eSafety Relay\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 20.9091%; text-align: left; height: 19.6px;\"\u003e\n\u003cdiv class=\"specLabel\"\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003eFor Monitoring of Emergency-Stop Circuits\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\u003cstrong\u003e\u003cspan\u003eEnclosure\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003e22.5MM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\n\u003cdiv class=\"specLabel\"\u003e\u003cstrong\u003e\u003cspan\u003eOutput\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003e0,3,0,0\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\u003cstrong\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\n\u003cdiv class=\"spec\"\u003e\n\u003cdiv class=\"specValue\"\u003e\u003cspan\u003eC-Tick,CE,CULus,TV\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\u003cstrong\u003e\u003cspan\u003eVoltage\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003e24 VAC\/VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\u003cstrong\u003e\u003cspan\u003eContact Rating\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003e3 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\u003cstrong\u003e\u003cspan\u003eMounting Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003eRail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\u003cstrong\u003e\u003cspan\u003ePower Supply\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003e24V AC\/DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\n\u003cdiv class=\"specLabel\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003eBasic Device, 1-Channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 20.9091%; height: 19.6px;\"\u003e\u003cstrong\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 78.7273%; height: 19.6px;\"\u003e\u003cspan\u003e0.40 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 440R-B23211\u003c\/h4\u003e\n\u003cp data-start=\"0\" data-end=\"190\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe\u003cstrong\u003e \u003c\/strong\u003eAllen-Bradley 440R-B23211 (also known as the MSR117T) is a single-function safety relay designed for monitoring safety devices such as emergency stop buttons and safety gate switches.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIt provides three Normally Open (NO) safety outputs and one Normally Closed (NC) auxiliary output, operating on a 24V AC\/DC power supply.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe relay supports both automatic\/manual and monitored manual reset modes, making it suitable for Category 4, PLe, SIL 3 safety applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 data-start=\"192\" data-end=\"215\"\u003eKey Features:\u003c\/h4\u003e\n\u003cul data-start=\"217\" data-end=\"764\"\u003e\n\u003cli data-start=\"217\" data-end=\"248\"\u003e\n\u003cp data-start=\"219\" data-end=\"248\"\u003eInput Configuration: 1 NC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"249\" data-end=\"275\"\u003e\n\u003cp data-start=\"251\" data-end=\"275\"\u003eSafety Outputs: 3 NO\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"276\" data-end=\"304\"\u003e\n\u003cp data-start=\"278\" data-end=\"304\"\u003eAuxiliary Output: 1 NC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"305\" data-end=\"363\"\u003e\n\u003cp data-start=\"307\" data-end=\"363\"\u003eReset Modes: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eAutomatic\/manual or monitored manual\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"364\" data-end=\"423\"\u003e\n\u003cp data-start=\"366\" data-end=\"423\"\u003ePower Supply: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e24V AC\/DC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"424\" data-end=\"484\"\u003e\n\u003cp data-start=\"426\" data-end=\"484\"\u003eHousing Width: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e22.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"485\" data-end=\"540\"\u003e\n\u003cp data-start=\"487\" data-end=\"540\"\u003eMounting: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDIN rail\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"541\" data-end=\"602\"\u003e\n\u003cp data-start=\"543\" data-end=\"602\"\u003eSafety Ratings: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCategory 4, PLe (ISO 13849-1), SIL 3 (IEC 62061)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"603\" data-end=\"663\"\u003e\n\u003cp data-start=\"605\" data-end=\"663\"\u003eResponse Time: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e30 ms\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"664\" data-end=\"764\"\u003e\n\u003cp data-start=\"666\" data-end=\"764\"\u003eCertifications: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCE, cULus, TÜV\u003c\/span\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"766\" data-end=\"844\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThis safety relay is ideal for applications requiring reliable safety monitoring with straightforward integration into control systems.\u003c\/span\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":49105341448448,"sku":"440R-B23211","price":546.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/shopping_58_bd0ed1f5-44b3-40b2-b272-d2c74b86fe6f.webp?v=1785545223","url":"https:\/\/alotechparts.com\/products\/440r-b23211-allen-bradley-safety-relay","provider":"Alo Tech Solutions","version":"1.0","type":"link"}