{"product_id":"itctu11-abb-infi-90-termination-unit","title":"ITCTU11 ABB Infi 90 Termination Unit","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cb\u003eABB ITCTU11\u003c\/b\u003e\u003cspan\u003e,\u003c\/span\u003e\u003cspan\u003e also cataloged as the \u003c\/span\u003e\u003cb\u003eITCTU11\u003c\/b\u003e\u003cspan\u003e Termination Unit,\u003c\/span\u003e\u003cspan\u003e operates as a dedicated hardware component for field signal termination and I\/O bus routing within ABB Bailey Infi 90 control cabinets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHardware Configuration Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eITCTU11 Standard\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Primary termination assembly configured for field signal landing in Infi 90 racks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eITCTU11-A High Isolation\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Variant supporting enhanced dielectric separation across adjacent channels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInfi 90 Interface Standard\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Standardized multi-pin connector landing profile for system interconnect cables.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eITCTU11\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSWEDEN\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20.3 x 5.1 x 35.6 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 to +70 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStorage Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHumidity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5-95% RH non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePassive unit (N\/A)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eContact Resistance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 5 mOhm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInsulation Resistance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt; 100 MOhm at 500 V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHarmonized Tariff Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8537101190\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDeterministic Backplane Communications and Signal Integrity\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe ITCTU11 ensures optimized signal transmission paths without degrading backplane bus communication velocity across connected Infi 90 processing modules.\u003c\/span\u003e\u003cspan\u003e High insulation resistance (\u0026gt; 100 MOhm at 500 V DC) paired with contact resistance under 5 mOhm guarantees accurate signal pass-through for high-density I\/O configurations while isolating internal control logic from external transients.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eOrder Fulfillment Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 x ABB ITCTU11 Termination Unit Assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2 x Panel Mounting Brackets\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAssembly Installation Procedures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDIN Rail Mounting\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Secure the termination unit firmly onto standard mounting rails,\u003c\/span\u003e\u003cspan\u003e verifying mechanical latch engagement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eShield Grounding\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Connect instrument cable drain wires directly to the main cabinet protective earth bar to optimize noise suppression.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWiring Clearance\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Maintain a minimum 100 mm separation between low-voltage field signal wiring and 230 VAC \/ 480 VAC power lines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTerminal Screw Tightening\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Fasten field wire terminal screws to 0.\u003c\/span\u003e\u003cspan\u003e5 Nm maximum torque to ensure low contact resistance without stripping threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhat causes high channel resistance values on the ITCTU11 termination unit?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCorrosion or loose screw connections on field terminals increase contact resistance beyond 5 mOhm,\u003c\/span\u003e\u003cspan\u003e leading to signal drop errors.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCan I hot-swap I\/O cable harnesses connected to the ITCTU11?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDisconnecting cable harnesses while connected I\/O loops are active drops live process feedback and can trigger system alarm faults.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhat insulation test parameters apply to the terminal track?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe termination assembly insulation resistance must measure greater than 100 MOhm when tested at 500 V DC continuous.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHow does extreme temperature exposure impact signal transmission?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExceeding the -25 to +70 deg C operating threshold causes thermal expansion across contacts,\u003c\/span\u003e\u003cspan\u003e increasing resistance above the \u0026lt; 5 mOhm limit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhat current rating limits apply to individual terminal blocks?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach termination path on the ITCTU11 is engineered to handle up to 5 A continuous current without thermal degradation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes the ITCTU11 require an independent DC power supply connection?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo,\u003c\/span\u003e\u003cspan\u003e the unit functions as a passive field signal landing block and requires no external auxiliary power inputs to operate.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHow does high ambient humidity affect internal track isolation?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOperation within 5-95% non-condensing RH is standard; moisture condensation lowers insulation resistance below the 100 MOhm threshold.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhat wire size range fits into the screw termination points?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe screw compression terminal blocks accept field wiring ranging from 14 AWG down to 24 AWG solid or stranded copper conductors.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021109711021,"sku":"ITCTU11","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/ITCTU11.jpg?v=1789279034","url":"https:\/\/www.maxwellplc.com\/ga\/products\/itctu11-abb-infi-90-termination-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}