{"product_id":"3bse038726r1-abb-tu833-s800-i-o-extended-mtu","title":"3BSE038726R1 ABB TU833 S800 I\/O Extended MTU","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB TU833 (3BSE038726R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-density Extended Module Termination Unit (MTU) designed for the S800 I\/O and AC 800M controller hardware portfolio. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecomponent provides the essential mechanical and electrical interface for up to 16 I\/O channels. It bridges field wiring to the I\/O modules while distributing the ModuleBus signals and process power. Designed for the rigors of process industries and utilities, the TU833 facilitates scalable distributed control by allowing seamless expansion of communication interfaces and I\/O modules within the System 800xA architecture.\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\u003eDetails\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\u003eTU833\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct ID\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3BSE038726R1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 16 Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Rated Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Rated Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 A per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcess Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Process terminals (2+2 connections)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFusing\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTwo individually isolated groups, 6.3 A per group\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBus Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModuleBus \/ CEX Bus (Controller Extension)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥ 500 V AC RMS\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\u003e0 °C to +55 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (LxWxH)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.4 cm x 12.6 cm x 10.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.34 kg (Net) \/ 1.5 kg (Shipping)\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\u003eDual-Group Power Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe TU833 divides process voltage into two individually isolated groups. Each group features its own 6.3 A fuse, ensuring that a localized fault in one power circuit does not compromise the entire I\/O rack, thereby increasing total system availability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic Addressing Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis unit eliminates manual addressing errors during installation. It generates the correct address for the attached I\/O module by automatically shifting outgoing position signals to the next MTU in the sequence.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Field Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy supporting 16 channels in a compact 12.6 cm wide frame, the TU833 reduces the footprint required for high-point-count I\/O. Each channel provides two I\/O connections and one ZP (0V) connection for clean, organized wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swappable Functionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe robust design allows for module replacement without interrupting the system bus. This capability minimizes downtime during maintenance or when scaling the AC 800M controller extension bus (CEX bus).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecure Mechanical Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA precision-engineered mechanical latch locks the TU833 firmly to standard DIN rails. This prevents electrical disconnects caused by industrial vibrations or accidental physical impact in harsh plant environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I determine the correct fuse rating for the TU833?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the unit ships with standard 6.3 A fuses, you must select the final fuse rating based on your specific application’s load and cooling requirements. Consult the\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eS800 I\/O Getting Started\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eguide (Power and Cooling chapter) to calculate the appropriate ampacity for your field devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary difference between the TU833 and standard MTUs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe TU833 is an \"Extended\" MTU. It typically offers a larger number of termination points (16 channels) and specialized bus extension capabilities compared to standard 8-channel units, making it ideal for higher-density cabinet layouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the TU833 support grounding for shielded cables?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the unit provides integrated grounding support and robust mechanical housing to ensure that signal shields maintain continuity, which is critical for protecting analog signals from electromagnetic interference (EMI).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with all AC 800M controllers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe TU833 interfaces with the AC 800M controller via the CEX bus and ModuleBus. It supports the majority of S800 I\/O expansion modules and communication interfaces utilized in the System 800xA environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44172560662627,"sku":"TU833 3BSE038726R1","price":520.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/493._a9b886e3-ae30-4da6-89cc-89fc8f09ebdf.jpg?v=1778567084","url":"https:\/\/www.autocontrolglobal.com\/products\/3bse038726r1-abb-tu833-s800-i-o-extended-mtu","provider":"AutoControl Global","version":"1.0","type":"link"}