{"product_id":"tu842-abb-3bse020850r1-s800-i-o-mtu-36-screw-terminals","title":"TU842 ABB 3BSE020850R1 S800 I\/O MTU 36 Screw Terminals","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB TU842 (3BSE020850R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-integrity Module Termination Unit (MTU) designed for the S800 I\/O system. It provides the physical and electrical interface between field process signals and S800 I\/O modules within ABB’s\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAC 800M\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSymphony Plus\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitectures. By supporting redundant configurations, the TU842 ensures continuous signal flow even during hardware swaps or module failures. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original in Factory Packing\u003c\/strong\u003e, providing the Swiss-engineered precision required for power generation and complex industrial control loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTU842\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3BSE020850R1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRedundant Module Termination Unit (MTU)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB S800 I\/O, AC 800M, Symphony Plus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eField Wiring\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e36 Screw Terminals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect Plug-in for S800 I\/O\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHorizontal or Vertical DIN Rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–25°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e127 mm x 133 mm x 27 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 kg (Unit weight: 0.6 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSwitzerland\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Path Assurance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe TU842 supports redundant I\/O module pairs. This architecture allows the control system to maintain process visibility and control even if one I\/O module malfunctions, facilitating Hot Configuration in Run (HCIR) capabilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Noise Suppression:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEvery TU842 includes dedicated grounding terminals and an integrated shield connection for signal cables. This design effectively drains electromagnetic interference (EMI), protecting low-level analog signals from the high-frequency noise common in industrial motor control centers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Wiring Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 36-point screw terminal block accommodates complex field wiring in a compact footprint. This density reduces the overall size of marshalling cabinets while providing clear, accessible termination points for maintenance technicians.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Environmental Tolerance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt to withstand harsh process environments, the unit operates reliably from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e–25°C to +70°C\u003c\/strong\u003e. The rugged mechanical support structure prevents vibration-induced signal intermittentcy, ensuring a gas-tight connection for the lifetime of the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the TU842 compatible with third-party I\/O modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. ABB designed the TU842 specifically for the S800 I\/O family. It features a proprietary direct plug-in interface that aligns exclusively with ABB S800 I\/O module connectors to ensure signal integrity and proper mechanical seating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the grounding requirements for the TU842?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo achieve maximum noise immunity, you must connect the integrated shield bar to a clean instrument ground. Proper wiring discipline ensures that field-side interference does not enter the AC 800M controller backplane.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit support \"Hot Swapping\" of I\/O modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. When used in a redundant configuration, the TU842 allows you to replace a faulty I\/O module without powering down the station or interrupting the process signal, provided the secondary module remains active.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the condition and warranty of this product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe offer this product in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNew and Original factory condition\u003c\/strong\u003e. Every unit includes a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12-month factory warranty\u003c\/strong\u003e, ensuring performance and reliability in critical automation infrastructures.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44166403981411,"sku":"TU842 3BSE020850R1","price":540.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/472._837e2c07-4a19-47f2-878b-e1e6c9bbf601.jpg?v=1778124810","url":"https:\/\/www.autocontrolglobal.com\/products\/tu842-abb-3bse020850r1-s800-i-o-mtu-36-screw-terminals","provider":"AutoControl Global","version":"1.0","type":"link"}