{"product_id":"1794-tb3-allen-bradley-flex-i-o-terminal-base-unit","title":"1794-TB3 Allen-Bradley Flex I\/O Terminal Base Unit","description":"\u003ch2\u003e\n\u003cstrong\u003e1794-TB3 Flex I\/O Terminal Base Unit by Allen-Bradley\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Allen‑Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e \u003cstrong\u003e1794-TB3\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage Range:\u003c\/strong\u003e 125V DC\/AC, 50\/60Hz, 10A (max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current Draw:\u003c\/strong\u003e 640 mA @ 5V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Configuration:\u003c\/strong\u003e 52 terminals in three strips (16 I\/O, 18 common, 18 supply)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Size:\u003c\/strong\u003e 0.34 – 3.3 mm² (22–12 AWG), insulation thickness 1.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Torque:\u003c\/strong\u003e 0.56–0.79 Nm (5–7 lb‑in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 125V continuous (basic insulation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 94 x 94 x 69 mm (H x W x D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20 °C to 70 °C (-4 °F to 158 °F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 5–95% non‑condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock \u0026amp; Vibration:\u003c\/strong\u003e 30G shock, 5G vibration (10–500 Hz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Mounting Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePosition the \u003cstrong\u003e1794-TB3\u003c\/strong\u003e at a slight angle over the DIN rail top.\u003c\/li\u003e\n\u003cli\u003eHook the base over the rail and slide it firmly against the adjacent adapter.\u003c\/li\u003e\n\u003cli\u003ePush the base downward until it locks securely onto the DIN rail.\u003c\/li\u003e\n\u003cli\u003eEnsure the FlexBus connector engages properly with the adapter module.\u003c\/li\u003e\n\u003cli\u003eUse the screw‑clamp terminals for reliable field wiring connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatible I\/O Modules (Partial List)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1794-IA8, 1794-IA8I, 1794-IA16\u003c\/strong\u003e – AC input modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1794-OA8, 1794-OA8I, 1794-OA16\u003c\/strong\u003e – AC output modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1794-IB8, 1794-IB16XT, 1794-IB10XOB6\u003c\/strong\u003e – DC input\/combo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1794-OB8, 1794-OB8EP, 1794-OB16\u003c\/strong\u003e – DC output modules\u003c\/li\u003e\n\u003cli\u003eFull compatibility with over 30 Flex I\/O modules – refer to the manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eElectrical \u0026amp; Environmental Ratings\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #c00000;\"\u003e\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 120V AC \/ 125V DC (max 132V AC)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #c00000;\"\u003e\u003cstrong\u003eCurrent Capacity:\u003c\/strong\u003e 10 Amperes (continuous)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #c00000;\"\u003e\u003cstrong\u003eFlexBus Draw:\u003c\/strong\u003e 640 mA @ 5V DC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #c00000;\"\u003e\u003cstrong\u003eIsolation:\u003c\/strong\u003e 125V continuous (basic insulation type)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #c00000;\"\u003e\u003cstrong\u003eTemperature Code:\u003c\/strong\u003e T4A (North America) \/ T4 (IEC)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #c00000;\"\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e c‑UL‑us, UL, CSA, CE\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWiring \u0026amp; Terminal Assignment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTop strip (16 terminals): I\/O signal connections (0–15).\u003c\/li\u003e\n\u003cli\u003eMiddle strip (18 terminals): Voltage common (B‑16 to B‑33).\u003c\/li\u003e\n\u003cli\u003eBottom strip (18 terminals): Supply voltage + (C‑34 to C‑51).\u003c\/li\u003e\n\u003cli\u003eDaisy‑chain support: use C‑34 (+) and B‑16 (-) for supply in, C‑51 (+) and B‑33 (-) for supply out.\u003c\/li\u003e\n\u003cli\u003eUse stranded copper wire (24‑16 AWG) for optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x \u003cstrong\u003e1794-TB3\u003c\/strong\u003e Flex I\/O Terminal Base Unit\u003c\/li\u003e\n\u003cli\u003ePre‑installed screw‑clamp terminal blocks\u003c\/li\u003e\n\u003cli\u003eMounting hardware and DIN rail clips\u003c\/li\u003e\n\u003cli\u003eQuick‑start guide (printed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWe ship via \u003cstrong\u003eFedEx, UPS, or DHL\u003c\/strong\u003e – fast and trackable.\u003c\/li\u003e\n\u003cli\u003eAll orders dispatch within \u003cstrong\u003e5 business days\u003c\/strong\u003e from our warehouse.\u003c\/li\u003e\n\u003cli\u003eWe maintain \u003cstrong\u003eplenty of stock\u003c\/strong\u003e – no long lead times.\u003c\/li\u003e\n\u003cli\u003e30‑day return policy applies – hassle‑free process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the 1794-TB3 brand new and original?\u003c\/strong\u003e\u003cbr\u003eYes, we supply only \u003cspan style=\"color: #c00000;\"\u003e100% genuine, brand‑new\u003c\/span\u003e Allen‑Bradley units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum wire size for the terminals?\u003c\/strong\u003e\u003cbr\u003eIt accepts 12 AWG (4 mm²) max and 22 AWG (0.35 mm²) min.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I daisy‑chain multiple terminal bases?\u003c\/strong\u003e\u003cbr\u003eYes, the \u003cstrong\u003e1794-TB3\u003c\/strong\u003e supports daisy‑chaining for power distribution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003e-20 °C to 70 °C (-4 °F to 158 °F) at 5‑95% humidity (non‑condensing).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How long does delivery take?\u003c\/strong\u003e\u003cbr\u003eWe ship within 5 days via FedEx, UPS, or DHL – delivery varies by region.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the 1794-TB3 compatible with 1794-OW8?\u003c\/strong\u003e\u003cbr\u003eYes, it fully supports \u003cstrong\u003e1794-OW8\u003c\/strong\u003e and all listed Flex I\/O modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eContact Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor inquiries, please email \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e or call \u003ca href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003ePartner: \u003ca href=\"https:\/\/www.nex-auto.com\/\" target=\"_blank\"\u003eNexAuto Technology Limited\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46592661618849,"sku":"1794-TB3","price":236.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/1794-TB3.jpg?v=1782201080","url":"https:\/\/www.autonexcontrol.com\/products\/1794-tb3-allen-bradley-flex-i-o-terminal-base-unit","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}