{"product_id":"allen-bradley-1756-tbe-terminal-block-housings","title":"Allen-Bradley 1756-TBE Terminal Block Housings","description":"\u003cp\u003eConfigured for wire strain relief and high-density cable routing in ControlLogix platforms, the \u003cstrong\u003eAllen-Bradley 1756-TBE\u003c\/strong\u003e (\u003cstrong\u003e1756-TBE\u003c\/strong\u003e Extended-Depth Terminal Block Housing) provides direct physical protection for heavy-gauge I\/O connections.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e1756-TBE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.19 lbs (0.09 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eExtended Depth: 157.43 mm (6.198 in) from module front to back of chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax 6.19 W power dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTerminal Block Housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003e36-Pin Removable Terminal Block (RTB) connection support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 628 sq mm total wire cross-sectional area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size\u003c\/td\u003e\n\u003ctd\u003e20 AWG recommended (accommodates 36-18 AWG \/ 23-14 AWG heavy gauge)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5 VDC)\u003c\/td\u003e\n\u003ctd\u003e1,200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24 VDC)\u003c\/td\u003e\n\u003ctd\u003e2.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eOpen Type (None)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network \u0026amp; Backplane Integration\u003c\/h3\u003e\n\u003cp\u003eThe module housing supports backplane bus communication velocity and mechanical protection for high-density signal wiring across 1756 I\/O architecture. Designed to replace standard front covers when using heavy-gauge conductors (up to 2.5 mm squared \/ 14 AWG), the extended enclosure prevents mechanical strain on internal card pins. Firmware flash compatibility and electrical loop integrity remain uncompromised across high-density I\/O density scaling configurations by maintaining structural clearance and routing stability.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: When is it mandatory to use the 1756-TBE extended-depth housing instead of a standard RTB cover?\u003c\/p\u003e\n\u003cp\u003eA: The 1756-TBE is required when using heavy-gauge field wiring (such as 14 AWG \/ 2.5 mm squared conductors) or when total wire bundle cross-sectional volume exceeds standard RTB housing limits, reaching up to 628 sq mm.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1756-TBE housing be installed while field-side power is active?\u003c\/p\u003e\n\u003cp\u003eA: No. Field-side power must be completely isolated prior to mounting or removing the housing to prevent accidental short circuits, unintended machine motion, or electrical hazards.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize all field-side power circuits connected to the target 1756 Removable Terminal Block (RTB) before assembly.\u003c\/li\u003e\n\u003cli\u003eRemove the existing standard cover from the RTB assembly if upgrading to the extended-depth housing.\u003c\/li\u003e\n\u003cli\u003eAlign the bottom grooves of the 1756-TBE housing side-by-side with the side edges of the wired RTB.\u003c\/li\u003e\n\u003cli\u003eSlide the housing smoothly over the RTB wiring arm until the locking tab snaps securely into place.\u003c\/li\u003e\n\u003cli\u003eDress field conductors straight through the extended cable wireway, ensuring no excessive strain is applied to individual terminal screws or card connector pins.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48784591749310,"sku":"1756-TBE","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1756-TBCH_22_836857c5-96be-4d97-9b45-eca623a6284a.jpg?v=1787650635","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1756-tbe-terminal-block-housings","provider":"AutoOilTech Limited","version":"1.0","type":"link"}