{"product_id":"tu848-module-termination-unit-redundant-abb","title":"TU848 Module Termination Unit Redundant ABB","description":"\u003ch2\u003e\u003cstrong\u003eABB TU848 Module Termination Unit for Redundant ModuleBus\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eABB | TU848\u003c\/strong\u003e – a passive termination unit for redundant Optical ModuleBus Modem TB840\/TB840A.\u003c\/li\u003e\n\u003cli\u003eThis MTU supports dual power feeds, dual electrical ModuleBus lines, and two TB840\/TB840A modems.\u003c\/li\u003e\n\u003cli\u003eA rotary switch (positions 1 to 7) sets the cluster address directly on the unit.\u003c\/li\u003e\n\u003cli\u003eTwo mechanical keys with six positions each offer 36 unique configuration combinations.\u003c\/li\u003e\n\u003cli\u003eYou can change these key settings easily with a standard screwdriver.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Operational Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003eDual power supply connection\u003c\/strong\u003e\u003c\/span\u003e ensures high availability for each modem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003eRedundant ModuleBus\u003c\/strong\u003e\u003c\/span\u003e architecture supports fault-tolerant I\/O networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003eMechanical keying\u003c\/strong\u003e\u003c\/span\u003e prevents inserting an incorrect module type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003eRotary switch\u003c\/strong\u003e\u003c\/span\u003e provides quick cluster address assignment (1 to 7).\u003c\/li\u003e\n\u003cli\u003eIntegrated latching device secures the unit to a DIN rail and provides grounding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003eSupports redundant I\/O\u003c\/strong\u003e\u003c\/span\u003e when paired with TB840\/TB840A modems (TU849 serves non-redundant I\/O).\u003c\/li\u003e\n\u003cli\u003ePassive design consumes only 2.5 W power dissipation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental \u0026amp; Certification Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003eCE-marked\u003c\/strong\u003e\u003c\/span\u003e and RoHS compliant (EU, UAE, CN).\u003c\/li\u003e\n\u003cli\u003eElectrical safety: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201.\u003c\/li\u003e\n\u003cli\u003eHazardous location approvals: cULus Class 1 Zone 2 and ATEX Zone 2.\u003c\/li\u003e\n\u003cli\u003eMarine certificates: ABS, BV, DNV-GL, LR.\u003c\/li\u003e\n\u003cli\u003eWEEE compliant (DIRECTIVE\/2012\/19\/EU).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the TU848 a new original ABB unit?\u003c\/strong\u003e\u003cbr\u003eYes, we supply 100% new and original ABB TU848 modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo you have the TU848 in stock?\u003c\/strong\u003e\u003cbr\u003eYes, we maintain ample stock for the ABB 3BSE042558R1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the typical delivery time?\u003c\/strong\u003e\u003cbr\u003eWe ship within 5 working days after order confirmation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich carriers do you use?\u003c\/strong\u003e\u003cbr\u003eWe ship via FedEx, UPS, or DHL – you can choose your preferred option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I return the TU848 if it doesn't fit my system?\u003c\/strong\u003e\u003cbr\u003eYes, we support a 30-day return policy for unused items in original condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the TU848 support redundant I\/O with TB840A?\u003c\/strong\u003e\u003cbr\u003eYes, this TU848 model is specifically designed for redundant I\/O configurations using TB840 or TB840A modems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the difference between TU848 and TU849?\u003c\/strong\u003e\u003cbr\u003eTU848 provides dual power and redundant ModuleBus for redundant I\/O; TU849 supports non-redundant I\/O with individual power feeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\" target=\"_blank\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e  |  \u003ca href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":48245099266306,"sku":"TU848","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/ABB_TU848.jpg?v=1785740175","url":"https:\/\/www.nex-auto.com\/products\/tu848-module-termination-unit-redundant-abb","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}