{"product_id":"allen-bradley-1791-tb2-flex-i-o-terminal-base-unit","title":"Allen-Bradley 1791-TB2 Flex I\/O Terminal Base Unit","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1794-TB2 Flex I\/O Terminal Base Unit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview \u0026amp; Key Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer \u0026amp; Model:\u003c\/strong\u003e This unit is manufactured by Allen-Bradley, with the part number \u003cb\u003e1794-TB2\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e It features convenient \u003cspan style=\"color: #0066cc;\"\u003ecage clamp terminals\u003c\/span\u003e for fast and secure wire connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Options:\u003c\/strong\u003e You can easily mount the base on a \u003cspan style=\"color: #0066cc;\"\u003eDIN rail or a panel\u003c\/span\u003e, offering installation flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e The \u003cb\u003e1794-TB2\u003c\/b\u003e is \u003cspan style=\"color: #0066cc;\"\u003eUL listed and CSA certified\u003c\/span\u003e for safety and quality assurance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e It has an \u003cspan style=\"color: #0066cc;\"\u003eopen-type enclosure\u003c\/span\u003e for easy access to terminals and components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications \u0026amp; Ratings\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Ratings:\u003c\/strong\u003e The unit supports a maximum voltage of \u003cspan style=\"color: #0066cc;\"\u003e125V AC\/DC\u003c\/span\u003e and a current of \u003cspan style=\"color: #0066cc;\"\u003e10 Amps\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Configuration:\u003c\/strong\u003e It includes \u003cspan style=\"color: #0066cc;\"\u003e1 row of 16 terminals, 1 row of 18 terminals, and 1 row of 2 terminals\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e It provides \u003cspan style=\"color: #0066cc;\"\u003e125V continuous isolation\u003c\/span\u003e; channel-to-channel isolation depends on the I\/O module used.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Torque:\u003c\/strong\u003e Use a torque of \u003cspan style=\"color: #0066cc;\"\u003e0.56 to 0.79 N·m (5 to 7 lb·in)\u003c\/span\u003e for terminal screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Wire Size:\u003c\/strong\u003e It accepts \u003cspan style=\"color: #0066cc;\"\u003e0.21 to 1.3 mm² (24 to 16 AWG)\u003c\/span\u003e stranded copper wire.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePhysical \u0026amp; Environmental Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e The unit measures \u003cspan style=\"color: #0066cc;\"\u003e3.7 x 2.7 x 3.7 inches (H x W x D)\u003c\/span\u003e for a compact footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e It functions reliably from \u003cspan style=\"color: #0066cc;\"\u003e0 to 55°C\u003c\/span\u003e in ambient conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e You can safely store it from \u003cspan style=\"color: #0066cc;\"\u003e-40 to 85°C\u003c\/span\u003e when not in use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Resistance:\u003c\/strong\u003e It withstands operating vibration of \u003cspan style=\"color: #0066cc;\"\u003e5 g at 10–500 Hz\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Resistance:\u003c\/strong\u003e The base tolerates \u003cspan style=\"color: #0066cc;\"\u003e30 g operating shock and 50 g non-operating shock\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e The unit is lightweight at only \u003cspan style=\"color: #0066cc;\"\u003e0.50 lbs (0.23 kg)\u003c\/span\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eComponents \u0026amp; Installation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey Components:\u003c\/strong\u003e The base includes a \u003cspan style=\"color: #0066cc;\"\u003emale and female Flexbus connector, cover plug, key switch, I\/O terminal strips, and a module locking latch\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Instructions:\u003c\/strong\u003e Use category 2 wires with \u003cspan style=\"color: #0066cc;\"\u003e3\/64-inch insulation\u003c\/span\u003e for optimal compatibility and safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Steps:\u003c\/strong\u003e Secure the base to a DIN rail or panel using the provided mounting holes and locking tab.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Insertion:\u003c\/strong\u003e Align your Flex I\/O module with the connectors and secure it using the locking latch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging \u0026amp; Shipping Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging List:\u003c\/strong\u003e Your order includes one \u003cb\u003e1794-TB2\u003c\/b\u003e terminal base unit and any included documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Condition:\u003c\/strong\u003e We supply only \u003cspan style=\"color: #0066cc;\"\u003ebrand new, original\u003c\/span\u003e Allen-Bradley components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Carriers:\u003c\/strong\u003e We ship worldwide using reliable services like \u003cspan style=\"color: #0066cc;\"\u003eDHL, FedEx, and UPS\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessing Time:\u003c\/strong\u003e Orders are processed and dispatched within \u003cspan style=\"color: #0066cc;\"\u003e5 business days\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturn Policy:\u003c\/strong\u003e We offer a \u003cspan style=\"color: #0066cc;\"\u003e30-day return policy\u003c\/span\u003e for your complete satisfaction.\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\u003eWhat is the Allen-Bradley \u003cb\u003e1794-TB2\u003c\/b\u003e used for?\u003c\/strong\u003e\u003cbr\u003eIt is a terminal base unit that provides wiring connections for modules in the Flex I\/O \u003cb\u003e1794 series\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat type of terminals does this base unit have?\u003c\/strong\u003e\u003cbr\u003eIt features \u003cspan style=\"color: #0066cc;\"\u003ecage clamp terminals\u003c\/span\u003e for reliable, screwless wire connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the maximum wire size it accepts?\u003c\/strong\u003e\u003cbr\u003eIt accepts wires from \u003cspan style=\"color: #0066cc;\"\u003e0.21 to 1.3 mm² (24 to 16 AWG)\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I mount this on a standard DIN rail?\u003c\/strong\u003e\u003cbr\u003eYes, the \u003cb\u003e1794-TB2\u003c\/b\u003e is designed for easy mounting on a \u003cspan style=\"color: #0066cc;\"\u003eDIN rail or panel\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat are the key electrical ratings?\u003c\/strong\u003e\u003cbr\u003eIt is rated for \u003cspan style=\"color: #0066cc;\"\u003e125V AC\/DC maximum voltage and 10A maximum current\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the isolation voltage?\u003c\/strong\u003e\u003cbr\u003eThe base provides 125V continuous isolation; specific channel isolation depends on the I\/O module inserted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs this product certified for safety?\u003c\/strong\u003e\u003cbr\u003eYes, it is fully \u003cspan style=\"color: #0066cc;\"\u003eUL listed and CSA certified\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the condition of the product you sell?\u003c\/strong\u003e\u003cbr\u003eWe supply only \u003cspan style=\"color: #0066cc;\"\u003ebrand new, original, and unused\u003c\/span\u003e Allen-Bradley products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow long does shipping take?\u003c\/strong\u003e\u003cbr\u003eWe process orders within \u003cspan style=\"color: #0066cc;\"\u003e5 business days\u003c\/span\u003e and ship via express carriers like DHL, FedEx, or UPS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo you accept returns?\u003c\/strong\u003e\u003cbr\u003eYes, we offer a straightforward \u003cspan style=\"color: #0066cc;\"\u003e30-day return policy\u003c\/span\u003e for qualified purchases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ePhone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47289700876546,"sku":"1791-TB2","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/1791-TB2.jpg?v=1773900934","url":"https:\/\/www.nex-auto.com\/hu\/products\/allen-bradley-1791-tb2-flex-i-o-terminal-base-unit","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}