{"product_id":"allen-bradley-1794-tb3gs-spring-clamp-grounded-terminal-base-module","title":"Allen-Bradley 1794-TB3GS Flex I\/O Spring-Clamp Grounded Terminal Base","description":"\u003cp\u003eThe 1794-TB3GS is a 36-point spring-clamp grounded terminal base unit designed for the Allen-Bradley Flex I\/O 1794 modular platform. This terminal base serves as the physical mounting and electrical termination interface for various digital and analog I\/O modules, providing a robust connection point in industrial control systems.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration-Resistant Design:\u003c\/strong\u003e Utilizes constant-force spring-clamp (cage clamp) technology to maintain secure wire connections, eliminating the need for periodic retightening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounded Infrastructure:\u003c\/strong\u003e The \"G\" and \"S\" designation indicates integrated chassis grounding, ideal for analog signals and environments with high electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexbus Integration:\u003c\/strong\u003e Features an internal backplane pass-through to distribute logic power and data signals across adjacent Flex I\/O modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Termination:\u003c\/strong\u003e Provides 36 active terminals plus auxiliary common and voltage terminals for efficient field-device wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Keying:\u003c\/strong\u003e Includes a rotatable keyswitch to prevent the insertion of incompatible modules, ensuring system safety and preventing hardware damage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe 1794-TB3GS is intended for use in distributed I\/O applications where high-density wiring and vibration resistance are required. It is commonly deployed in manufacturing, process control, and material handling systems that utilize the Allen-Bradley Flex I\/O platform.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-TB3GS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eSpring-Clamp (Cage Clamp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Points\u003c\/td\u003e\n\u003ctd\u003e36 Active Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e24V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Capacity\u003c\/td\u003e\n\u003ctd\u003e10.0 A (Aggregate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN-Rail (Top-Hat)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C (-4 to 158 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Snap the terminal base onto a standard 35mm DIN-rail. Ensure the base is securely locked into position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use appropriate wire gauges for the spring-clamp terminals. Strip wires to the manufacturer-specified length to ensure proper contact without exposing excessive copper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeying:\u003c\/strong\u003e Before installing an I\/O module, set the mechanical keyswitch on the base to match the keying of the specific module being used.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Always disconnect field power and system power before installing or removing I\/O modules from the terminal base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure the chassis ground connection is properly established to take advantage of the grounded terminal base design for EMI protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary difference between the 1794-TB3GS and standard terminal bases?\u003c\/h3\u003e\u003cp\u003eThe 1794-TB3GS includes integrated chassis grounding (denoted by the \"G\") and spring-clamp terminals (denoted by the \"S\"), providing superior vibration resistance and noise immunity compared to standard screw-terminal bases.\u003c\/p\u003e\u003ch3\u003eCan I use this base with any Flex I\/O module?\u003c\/h3\u003e\u003cp\u003eThe 1794-TB3GS is compatible with most 1794 Flex I\/O modules, but the mechanical keyswitch must be set correctly to match the specific module to prevent improper installation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50988406374652,"sku":"1794-TB3GS","price":86.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_d65f803d-8aaf-4c89-8708-caf287feb6a7.jpg?v=1786898611","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1794-tb3gs-spring-clamp-grounded-terminal-base-module","provider":"Electronic PLC","version":"1.0","type":"link"}