{"product_id":"allen-bradley-1756-tbe-controllogix-extended-depth-terminal-housing","title":"Allen-Bradley 1756-TBE ControlLogix Extended-Depth Terminal Housing","description":"\u003cp\u003eConfigured for high-density conductor routing in ControlLogix chassis I\/O systems, the \u003cstrong\u003eAllen-Bradley 1756-TBE\u003c\/strong\u003e (\u003cstrong\u003e1756-TBE\u003c\/strong\u003e Terminal Block Housing) provides direct physical\/electrical execution. It replaces standard removable terminal block (RTB) covers to expand physical housing depth to 157.43 mm, securing 36-pin field wiring connections. The component accommodates heavy-gauge wiring up to 14 AWG (2.5 mm2) while maintaining mechanical isolation over the front of the 1756 I\/O module assembly.\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)\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\u003ePower Dissipation: 6.19 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1200 mA at 5 VDC \/ 2.5 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eRemovable Terminal Block Extended Cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\u003ctd\u003e36-Pin Terminal Connection\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 capacity (20 to 14 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type Rating\u003c\/td\u003e\n\u003ctd\u003eNone (Open Style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic I\/O \u0026amp; Backplane Integrity\u003c\/h3\u003e\n\u003cp\u003eThe 1756-TBE housing preserves signal integrity across ControlLogix backplane bus structures by shielding field-side termination points from external physical mechanical strain. Maintaining clear physical separation between heavy-gauge field wiring runs eliminates stress on internal I\/O module terminal pins. This protection supports deterministic EtherNet\/IP I\/O scan execution and maintains backplane communication velocity without field noise coupling or conductor detachment risks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: When is it necessary to specify the 1756-TBE extended-depth housing over the standard 1756 RTB cover?\u003c\/p\u003e\n\u003cp\u003eA: The 1756-TBE is required when field wiring conductors exceed standard 18 AWG sizes (up to 14 AWG or 2.5 mm2), or when high-density wire bundles require up to 628 sq mm of total routing volume within the housing shell.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1756-TBE housing be installed or removed while field power is applied to the RTB?\u003c\/p\u003e\n\u003cp\u003eA: Field power must be fully de-energized prior to installing or removing the terminal housing to eliminate risks of accidental short circuits, electrical shock, or unintended process control disruption.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Isolation:\u003c\/strong\u003e Turn off all field-side power sources and system chassis power prior to engaging or removing the terminal housing assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlignment:\u003c\/strong\u003e Align the bottom guide grooves of the 1756-TBE side-by-side with the side edges of the wired Removable Terminal Block (RTB).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Latching:\u003c\/strong\u003e Slide the extended housing cover flush over the RTB assembly until the retaining tabs lock securely into place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Strain Relief:\u003c\/strong\u003e Route 20 AWG to 14 AWG wire bundles cleanly through the lower cable exit slot, using tie-wraps to prevent tension on individual 36-pin terminal screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Seating:\u003c\/strong\u003e Verify that the RTB with the installed 1756-TBE housing latches completely onto the front card guide of the 1756 I\/O module to ensure positive backplane pin engagement.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52734366712088,"sku":"1756-TBE","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/1756-TBE2_Cocoai_de35bc05-1fe3-499d-b577-8c2c2ac6010e.jpg?v=1789870756","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-1756-tbe-controllogix-extended-depth-terminal-housing","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}