{"product_id":"allen-bradley-1444-tb-a-terminal-base","title":"Allen-Bradley 1444-TB-A Terminal Base","description":"\u003ch1\u003eAllen-Bradley 1444-TB-A Terminal Base\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1444-TB-A\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1444-TB-A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTerminal Base, operates as a dedicated hardware component for module mounting, field wiring termination, and local bus interfacing within the Dynamix 1444 monitoring system.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDIN-35 rail mounted terminal base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScrew-type field wiring terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Dynamix 1444 measurement, relay, tachometer, and analog output modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRequires 1444-TBA-RPC connector set for module integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports 18–32 V DC SELV\/Class 2 power supplies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\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\u003e1444-TB-A\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 65 × 54 × 154 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e18–32 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current\u003c\/td\u003e\n\u003ctd\u003e5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Classification\u003c\/td\u003e\n\u003ctd\u003eSELV \/ Class 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN-35 rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Modules\u003c\/td\u003e\n\u003ctd\u003e1444-DYN04-01RA, 1444-RELX00-04RB and other Dynamix 1444 modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Accessory\u003c\/td\u003e\n\u003ctd\u003e1444-TBA-RPC connector set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEtherNet\/IP Backplane Integration Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1444-TB-A supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebackplane bus communication velocity licenses\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethrough direct local bus interconnection between Dynamix 1444 monitoring modules. Mechanical alignment tolerances and terminal spacing are designed for deterministic module insertion and stable EtherNet\/IP communication continuity. The terminal base architecture permits\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eI\/O density scaling\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout additional external junction assemblies.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Can Dynamix 1444 modules operate without the 1444-TB-A terminal base?\u003cbr\u003eA: No. The terminal base is required for module mounting, power distribution, and field termination.\u003c\/p\u003e\n\u003cp\u003eQ: What type of power supply is permitted for this terminal base?\u003cbr\u003eA: The unit supports 18–32 V DC SELV\/Class 2 power supplies with a maximum current capacity of 5 A.\u003c\/p\u003e\n\u003cp\u003eQ: Is the terminal base hot-swappable during operation?\u003cbr\u003eA: Removal or insertion under energized conditions is not recommended because bus communication and field wiring continuity may be interrupted.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSecure the terminal base firmly to a grounded DIN-35 rail before module installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify all screw terminal torque values according to field wiring practices to prevent intermittent contact faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeparate low-level signal wiring from high-current motor and relay conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstall the 1444-TBA-RPC connector set before applying system power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain enclosure airflow to avoid localized thermal accumulation around terminal assemblies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43426293022810,"sku":"1444-TB-A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1444-TB-A2.jpg?v=1779938865","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1444-tb-a-terminal-base","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}