{"product_id":"tk-prr021-honeywell-redundancy-module-33-24-vdc","title":"TK-PRR021 | Honeywell Redundancy Module 3.3–24 VDC","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Honeywell TK-PRR021 is a high-performance redundancy module designed for reliable power and signal management in industrial control systems. Operating across a wide voltage range of 3.3–24 VDC, it supports precise current ratings for multiple voltage levels, ensuring stable performance in demanding applications.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 352.688px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eIndustrial Control Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eTK-PRR021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eRedundancy Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003e3.3–24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 39.1875px;\"\u003e\u003cstrong\u003eCurrent Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 39.1875px;\"\u003e7 mA @ 1.2 VDC, 0.75 A @ 3.3 VDC, 1.0 A @ 5.1 VDC, 90 mA @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eRelay Contact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003e100 mA @ 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eClass I, Division 2, Groups A, B, C, D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eTemperature Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eT4A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003ePWA Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003e51309283-300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eRevision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eRev K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 39.1875px;\"\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 39.1875px;\"\u003eHazardous industrial environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003ePanel\/board mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eSafety Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003eE187439 certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.1971%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.9252%; height: 19.5938px;\"\u003e460 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eTK-PRR021\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"470\" data-end=\"1144\"\u003eThe TK-PRR021 is a Printed Wiring Assembly (PWA) redundancy module from Honeywell, built for Class I, Division 2 hazardous locations, certified for Groups A, B, C, and D. It is engineered to provide fault-tolerant operation in shared bus configurations, ensuring uninterrupted performance in industrial automation, process control, and critical safety systems. The module supports currents from 7 mA to 1.0 A depending on the applied voltage, with relay contacts rated at 100 mA @ 30 VDC for signal switching. Its rugged build and T4A temperature code rating make it suitable for challenging environments where safety and reliability are essential.\u003c\/p\u003e\n\u003cp data-start=\"1146\" data-end=\"1165\"\u003e\u003cstrong data-start=\"1146\" data-end=\"1163\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1166\" data-end=\"2101\"\u003e\n\u003cli data-start=\"1166\" data-end=\"1279\"\u003e\n\u003cp data-start=\"1168\" data-end=\"1279\"\u003e\u003cstrong data-start=\"1168\" data-end=\"1193\"\u003eWide voltage support:\u003c\/strong\u003e Operates from 3.3 VDC to 24 VDC to accommodate various control system requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1280\" data-end=\"1418\"\u003e\n\u003cp data-start=\"1282\" data-end=\"1418\"\u003e\u003cstrong data-start=\"1282\" data-end=\"1311\"\u003ePrecise current handling:\u003c\/strong\u003e Delivers 7 mA @ 1.2 VDC, 0.75 A @ 3.3 VDC, 1.0 A @ 5.1 VDC, and 90 mA @ 24 VDC for tailored performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1419\" data-end=\"1548\"\u003e\n\u003cp data-start=\"1421\" data-end=\"1548\"\u003e\u003cstrong data-start=\"1421\" data-end=\"1455\"\u003eClass I, Division 2 compliant:\u003c\/strong\u003e Certified for hazardous locations in Groups A, B, C, and D for safe industrial deployment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1549\" data-end=\"1661\"\u003e\n\u003cp data-start=\"1551\" data-end=\"1661\"\u003e\u003cstrong data-start=\"1551\" data-end=\"1576\"\u003eT4A temperature code:\u003c\/strong\u003e Ensures safe operation in environments with maximum surface temperatures of 120°C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1662\" data-end=\"1771\"\u003e\n\u003cp data-start=\"1664\" data-end=\"1771\"\u003e\u003cstrong data-start=\"1664\" data-end=\"1693\"\u003eShared bus configuration:\u003c\/strong\u003e Supports redundant power and communication paths to increase system uptime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1772\" data-end=\"1869\"\u003e\n\u003cp data-start=\"1774\" data-end=\"1869\"\u003e\u003cstrong data-start=\"1774\" data-end=\"1799\"\u003eRelay contact rating:\u003c\/strong\u003e Rated for 100 mA @ 30 VDC, enabling dependable low-power switching.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1870\" data-end=\"1978\"\u003e\n\u003cp data-start=\"1872\" data-end=\"1978\"\u003e\u003cstrong data-start=\"1872\" data-end=\"1901\"\u003eRugged industrial design:\u003c\/strong\u003e Built to withstand demanding process environments and long-term operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1979\" data-end=\"2101\"\u003e\n\u003cp data-start=\"1981\" data-end=\"2101\"\u003e\u003cstrong data-start=\"1981\" data-end=\"2017\"\u003eRevision and build traceability:\u003c\/strong\u003e Includes detailed revision markings for maintenance and configuration management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2103\" data-end=\"2244\"\u003eThe TK-PRR021 delivers the reliability and precision required for redundancy management in mission-critical control and automation systems.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105245700352,"sku":"TK-PRR021","price":4555.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/ed9f2ee502beac50ffe1cb1ecf2547b3_869x652_e536faa8-27f4-4bdf-b545-b25d99a41eb2.png?v=1785543420","url":"https:\/\/alotechparts.com\/products\/tk-prr021-honeywell-redundancy-module-33-24-vdc","provider":"Alo Tech Solutions","version":"1.0","type":"link"}