{"product_id":"allen-bradley-1794-tb2-flex-i-o-screw-clamp-terminal-base","title":"Allen-Bradley 1794-TB2 Flex I\/O Screw Clamp Terminal Base","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-TB2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the foundational mounting and wiring interface for the Flex I\/O system. This terminal base establishes the physical connection between field devices and I\/O modules, providing a compact, modular solution for industrial control panels. It facilitates efficient signal distribution through a rugged screw-clamp termination system. We provide this component as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring high-integrity electrical pathways for your critical automation architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1794-TB2 utilizes an open-style architecture designed for seamless integration into standard industrial enclosures.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFlex I\/O 1794\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTermination Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eScrew Clamp\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Terminals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommon Terminals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Terminals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Points\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\u003eDIN Rail (Standard 35mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOpen Style\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\u003e0.44 lbs (0.20 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Brand New Original\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\u003eOptimized Wiring Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1794-TB2 provides 16 dedicated I\/O terminals alongside 8 common and 2 voltage terminals. This consolidated layout reduces the need for external terminal blocks, significantly decreasing the footprint required in crowded control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Screw-Clamp Security:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe heavy-duty screw clamps ensure high-torque retention for field wiring. This mechanical design prevents intermittent signal loss caused by industrial vibrations or thermal expansion in high-duty cycle environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModular Hot-Swap Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis terminal base allows for \"Removal and Insertion Under Power\" (RIUP). You can replace I\/O modules without disturbing the field wiring or shutting down the entire system, minimizing expensive production downtime during maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified DIN Rail Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated locking mechanism snaps directly onto standard 35mm DIN rails. This design streamlines assembly and allows for rapid expansion of the I\/O rack as system requirements evolve.\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\u003eWhat is the difference between the 1794-TB2 and 1794-TB3?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794-TB2 utilizes a 2-wire termination style with 16 I\/O terminals, whereas the 1794-TB3 offers additional common and power terminals (3-wire) to accommodate more complex sensor\/actuator wiring requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit include the I\/O module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1794-TB2 is the terminal base only. You must select and install a compatible Flex I\/O digital or analog module into the base to complete the assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1794-TB2 with analog modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the 1794-TB2 supports many modules, engineers typically prefer the 1794-TB3 or 1794-TBN for analog applications to better manage shielding and common-mode signal requirements. Always verify module compatibility in the Flex I\/O selection guide.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat wire gauge does the screw clamp accept?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794-TB2 screw clamps reliably secure wire sizes ranging from 22 AWG to 12 AWG (0.34 to 4.0\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$mm^2$\u003c\/span\u003e), allowing for flexibility in field cabling choices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53363686015160,"sku":"1794-TB2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1794-TB22.jpg?v=1776405313","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1794-tb2-flex-i-o-screw-clamp-terminal-base","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}