{"product_id":"1794-tb3gk-allen-bradley-flex-i-o-conformal-coated-terminal-base","title":"1794-TB3GK | Allen Bradley | FLEX I\/O Conformal Coated Terminal Base","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1794-TB3GK\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a high-integrity connection point for the FLEX™ I\/O distributed system. This terminal base unit houses the I\/O module and provides the interface to the FlexBus backplane. It features 3-wire screw terminations, making it ideal for high-density sensor and actuator connections. Specifically designed for longevity in demanding conditions, this version features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econformal coating\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto resist environmental contaminants. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your distributed I\/O architecture maintains maximum uptime in corrosive or humid atmospheres.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1794-TB3GK offers robust mechanical and electrical interfacing for industrial nodes:\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\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 (3-Wire)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSpecial Coating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConformal Coated (K-Series)\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 or Panel Mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDistributed I\/O Terminal Base\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\u003e3.00 lbs (1.36 kg)\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\u003eSupports 1 FLEX I\/O Module\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\u003cp\u003eThe 1794-TB3GK solves critical deployment challenges in process and heavy industry:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Chemical Resistance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe conformal coating provides a protective barrier against moisture, salt spray, and corrosive chemical vapors. This prevents trace-level corrosion on internal circuitry, a technical necessity for wastewater treatment plants, paper mills, and oil and gas facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Field Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 3-wire screw termination design allows for direct connection of sensors and actuators without requiring additional external terminal strips. This reduces the number of potential failure points and streamlines the troubleshooting process for maintenance technicians.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Mechanical Interlocking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module-to-base interlocking mechanism ensures a secure electrical contact even in high-vibration environments. The base snaps firmly onto standard DIN rails, preventing lateral movement during machine operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexBus Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated backplane connector extends the FlexBus to the next terminal base in the row. This modular \"daisy-chain\" architecture allows engineers to expand I\/O capacity without complex bus cabling or special termination resistors.\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 does the \"K\" suffix in the part number signify?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"K\" designates that the 1794-TB3GK undergoes a specialized conformal coating process during manufacturing. This protects the internal PCB from environmental stressors like humidity and airborne contaminants, whereas the standard 1794-TB3 does not have this layer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix conformal coated bases with standard bases on the same rail?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1794-TB3GK remains physically and electrically compatible with all standard FLEX I\/O components. However, for maximum system protection in harsh environments, we recommend using conformal coated modules (K-series) and bases throughout the entire rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I ensure a secure connection with the screw terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse a small flat-head screwdriver and follow the torque specifications provided in the installation guide. Proper torque prevents wire pull-out and ensures a low-resistance electrical path, especially in high-current 24V DC applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine Allen Bradley product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee that every 1794-TB3GK we ship is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e. The unit arrives in the factory-sealed box with the original UPC, batch code, and Rockwell Automation quality documentation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52793217188149,"sku":"1756-PBM","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1794-TB3GK.png?v=1777358894","url":"https:\/\/www.5gplc.com\/products\/1794-tb3gk-allen-bradley-flex-i-o-conformal-coated-terminal-base","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}