{"product_id":"allen-bradley-1794-tb3gk-flex-i-o-terminal-base-unit","title":"Allen-Bradley 1794-TB3GK FLEX I\/O Terminal Base Unit","description":"\u003ch2\u003eAllen-Bradley 1794-TB3GK FLEX I\/O Terminal Base Unit\u003c\/h2\u003e\n\u003cp\u003eConfigured for field wiring termination and power distribution in FLEX I\/O systems, the \u003cstrong\u003eAllen-Bradley 1794-TB3GK\u003c\/strong\u003e (\u003cstrong\u003e1794-TB3GK\u003c\/strong\u003e FLEX I\/O Terminal Base Unit) provides direct physical\/electrical execution for 16-point I\/O module connections within the FLEX I\/O platform.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-TB3GK\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware Type\u003c\/td\u003e\n\u003ctd\u003eTerminal Base Unit\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\u003eTerminal Count\u003c\/td\u003e\n\u003ctd\u003e36 terminals total (16 I\/O, 18 common\/VDC, 2 ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size Range\u003c\/td\u003e\n\u003ctd\u003e0.2 to 2.5 mm2 (24 to 12 AWG) solid\/stranded copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e125 V AC \/ DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current Rating\u003c\/td\u003e\n\u003ctd\u003e10 A total through base unit, 2 A per terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e94 x 94 x 69 mm (H x W x D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +55 deg C (32 deg F to +131 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive terminal base unit; no independent power consumption specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Options\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail or direct panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eOpen-style \/ IP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Compatibility\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O 16-point modules with mechanical keying protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet-IP Industrial Control Integration Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1794-TB3GK functions as a passive electrical interface within the FLEX I\/O architecture. The terminal base unit provides mechanical retention, field wiring termination, and distribution paths between FLEX I\/O modules and connected field devices. Mechanical keying prevents incorrect module insertion and maintains module-to-base alignment during installation and replacement operations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1794-TB3GK provide active communication or network processing functions?\u003cbr\u003eA: No. The 1794-TB3GK is a terminal base unit and does not contain communication processors, firmware, or independent network interfaces. Communication functions are provided by compatible FLEX I\/O adapter modules.\u003c\/p\u003e\n\u003cp\u003eQ: Can the terminal base unit be replaced without removing all field wiring?\u003cbr\u003eA: The spring-clamp terminal design allows field conductors to remain terminated during compatible module servicing procedures. Replacement operations must follow the system power isolation requirements defined for the installed FLEX I\/O assembly.\u003c\/p\u003e\n\u003cp\u003eQ: What wiring considerations apply during installation?\u003cbr\u003eA: Field wiring should maintain separation from high-noise power conductors where required, use appropriate grounding practices, and ensure terminal tightening and conductor preparation meet the installation requirements of the connected FLEX I\/O module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the 1794-TB3GK on a compatible 35 mm DIN rail or approved panel surface.\u003c\/li\u003e\n\u003cli\u003eVerify mechanical keying positions before installing the FLEX I\/O module.\u003c\/li\u003e\n\u003cli\u003eRoute signal wiring separately from high-voltage switching conductors to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConnect grounding terminals according to the control panel grounding design.\u003c\/li\u003e\n\u003cli\u003eUse shielded instrumentation wiring where required by the connected field device and application environment.\u003c\/li\u003e\n\u003cli\u003eConfirm conductor size compatibility before terminating field cables.\u003c\/li\u003e\n\u003cli\u003eInspect spring-clamp terminal engagement after wiring installation to prevent loose connections.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43783137198170,"sku":"1794-TB3GK","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-TB3GK2.jpg?v=1785823751","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-tb3gk-flex-i-o-terminal-base-unit","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}