{"product_id":"1794-tb3k-allen-bradley-flex-i-o-conformal-coated-screw-clamp-terminal-base","title":"1794-TB3K |Allen Bradley | FLEX I\/O Conformal Coated Screw-Clamp Terminal Base","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1794-TB3K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the critical mounting and wiring interface for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFLEX I\/O\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem. This terminal base provides the physical housing and backplane connection for I\/O modules, facilitating the distribution of signals from field devices to the industrial network. Featuring a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econformal coating\u003c\/strong\u003e, the 1794-TB3K withstands aggressive atmospheric conditions that would otherwise compromise standard electronic assemblies. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, ensuring a pristine, uncompromised connection for your distributed I\/O 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\u003eFeature\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\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\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\u003e18 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\u003e18 Points (+V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnvironmental Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConformal Coated (K-Version)\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 (Open 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\u003e0.51 lbs (0.23 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWiring Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3-Wire Termination Capability\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\u003eCorrosion Resistance in Harsh Zones:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe factory-applied conformal coating shields the internal circuitry and contact points from moisture, salt spray, and corrosive chemical vapors. This hardware-level protection prevents trace oxidation and intermittent signal loss in pulp and paper mills, refineries, and wastewater treatment facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified 3-Wire Sensor Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1794-TB3K provides 18 common terminals and 18 voltage terminals. This expanded capacity allows engineers to wire 3-wire sensors (power, return, and signal) directly to the base without utilizing external terminal strips or jumper blocks, significantly reducing cabinet wiring complexity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eScrew-Clamp Physical Security:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe high-torque screw-clamp design ensures a gas-tight electrical connection. Unlike spring-style terminals in high-vibration environments, these mechanical clamps prevent wire pull-out and maintain constant contact pressure over years of thermal cycling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModular Maintenance Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe terminal base remains stationary on the DIN rail during module replacements. Technicians swap the plug-in I\/O modules without disconnecting any field wiring, which drastically lowers the Mean Time To Repair (MTTR) and eliminates the risk of rewiring errors during emergency maintenance.\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\u003eCan the 1794-TB3K replace a standard 1794-TB3 unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1794-TB3K is the \"K\" (conformal coated) version of the 1794-TB3. It shares the same footprint and electrical characteristics, making it a superior drop-in replacement for any application requiring 3-wire screw-clamp termination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting precautions should I follow for the 1794-TB3K?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways snap the base firmly onto a grounded 35mm DIN rail. Ensure you engage the side-locking tabs with the adjacent terminal base to maintain the integrity of the FLEXbus communication backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this product factory sealed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We guarantee this 1794-TB3K is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e. It arrives in the original manufacturer’s packaging with all factory seals intact. We do not provide refurbished or used surplus components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many modules can I connect in a single FLEX I\/O row?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the terminal base supports a single module, the FLEXbus allows you to daisy-chain up to eight terminal bases per I\/O adapter. Ensure your power supply provides sufficient current for the total count of modules and sensors attached to the stack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52804936106293,"sku":"1794-TB3K","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1794-TB3K1.png?v=1777535581","url":"https:\/\/www.5gplc.com\/products\/1794-tb3k-allen-bradley-flex-i-o-conformal-coated-screw-clamp-terminal-base","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}