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      Module Termination Unit

      TU891 3BSC840157R1

      Product Information:

      TU891 non-IS MTU The documented channels is 8 Channels. The documented voltage is 24 V. Selection requires the complete nameplate identity, hardware revision and receiving-system configuration. Verify affected functions after installation.

      • One-year warranty
      • Global shipping
      • Exact-model verification
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      Model Verified

      Model, revision and nameplate reviewed
      02


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        • PRODUCT OVERVIEW

          What is this product?

          TU891 non-IS MTU Selection must preserve the complete model identity, hardware execution, installed interfaces and approved configuration. The documented channels is 8 Channels. The documented voltage is 24 V.

          Source boundary

          Exact-model hardware values shown here are qualified from public technical cross-references and require order-stage confirmation.
        • APPLICATIONS

          Where it may be used

          Use this product only where its documented role, interfaces and system limits match the receiving equipment.

          Industrial Manufacturing

          Supports industrial manufacturing applications where the documented module termination unit role, interfaces and system limits match the receiving equipment.

          Water and Wastewater

          Supports water and wastewater applications where the documented module termination unit role, interfaces and system limits match the receiving equipment.

          Chemical Processing

          Supports chemical processing applications where the documented module termination unit role, interfaces and system limits match the receiving equipment.

          Power Utilities

          Supports power utilities applications where the documented module termination unit role, interfaces and system limits match the receiving equipment.
      Technical specifications for

      TU891 3BSC840157R1

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        ABB
      • Product Category:
        DCS Systems
      • Type:
        Compact
      • Connection:
        Terminal block
      • Channels:
        8
      • Voltage:
        24 V
      • Mounting:
        Horizontal
      • Mounting detail:
        55 ºC (131 °F)
      • Use with I/O:
        AI890, AI893, AI895, AO890, AO895, DI890, DO890
      • Process connections:
        27 gray terminals
      • Single/redundant I/O:
        Single
      • Maximum current per I/O channel:
        2 A
      • Acceptable wire sizes:
        Process Connector: Solid 0.2 - 4 mm² Stranded 0.2 - 2.5 mm², 24 - 12 AWG Recommended torque 0.5 - 0.6 Nm Power supply connector: 0.25 - 2.5 mm², 24 - 14 AWG Recommended torque 0.5 - 0.6 Nm
      • Dielectric test voltage:
        500 V a.c.
      • CE mark:
        Yes
      • Electrical safety:
        IEC 61131-EN 61010-1, EN 61010-2-201
      • Hazardous Location:
        -
      • Marine certification:
        ABS, BV, DNV, LR, CCS
      • Temperature, Operating:
        0 to +55 °C (+32 to +131 °F) (Storage -40 to +70 °C) (-40 to +158 °F), RH=5 to 95 % non-condensing
      • Pollution degree:
        Degree 2, IEC 60664-1
      • Corrosion protection:
        ISA-S71.04: G3
      • Max ambient temperature:
        55 °C (131 °F), for vertical mounting 40 °C (104 °F)
      • Protection class:
        IP20 according to IEC 60529
      • Mechanical operating conditions:
        IEC/EN 61131-2
      • EMC:
        EN 61000-6-4, EN 61000-6-2
      • Overvoltage categories:
        IEC/EN 60664-1, EN 50178
      • Stock Availability:
        8
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        Confirm the order

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        Pay by bank transfer

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      • 06

        Verify and dispatch

        The item receives a pre-shipment inspection and suitable protective packaging. Functional testing is performed only where appropriate equipment and procedures are available for the specific item. We confirm the applicable inspection scope and provide tracking after dispatch.
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      BUYER INFORMATION

      Product condition level information

      Commercial details are confirmed in writing before payment.
      • 01

        Factory Sealed

        Unused product with the original factory seal intact; packaging age or storage marks may still be present.

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      • 02

        Original Pack

        Unused product in original manufacturer packaging that was not originally factory sealed.

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      • 03

        Factory New

        New and current product sourced through the manufacturer or authorized supply channel when expressly confirmed in the quotation.

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      Alternative Names

      ABB TU891 3BSC840157R1 TU891 3BSC840157R1 ABB Module Termination Unit

      Information

      Overview Manuals Termination Function Advant Fit Commissioning

      Features:

      • The documented channels is 8 Channels.
      • The documented voltage is 24 V.
      • The documented mounting is Horizontal.

      TU891 3BSC840157R1 is an ABB Module Termination Unit selected by its complete product identity and documented equipment role. Suitability depends on the installed Advant S800 I/O hardware, interfaces and application requirements matching the supplied unit.

      Before replacement, record the nameplate, installed position, terminal or connector arrangement and paired assemblies. After installation, verify every affected power, communication, protection, control or I/O function before returning TU891 3BSC840157R1 to service.

      The TU891 3BSC840157R1 ABB Module Termination Unit is listed as Obsolete / Discontinued by OEM. Current revision, availability and supplied scope are confirmed in the written quotation.

      ABB TU891 3BSC840157R1 documentation and reference links.

      Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

      TU891 3BSC840157R1 performs the documented module termination unit function within the Advant S800 I/O system. Confirm the recorded power, signal, communication and mechanical interfaces against the approved equipment record. Do not infer ratings or interchangeability from appearance; the complete label and hardware revision control selection.

      Replacement of TU891 3BSC840157R1 requires an exact match to the receiving Advant S800 I/O hardware, connected assemblies and configuration record. Record the installed position and connections before removal, preserve required settings, and verify every affected function after installation.

      Before energizing TU891 3BSC840157R1, inspect mounting, connector keying, terminal allocation, protective grounding and paired equipment. After startup, review diagnostics and complete controlled functional tests before returning the equipment to service.

      Technical notes

      Select TU891 3BSC840157R1 by its complete ABB marking and documented module termination unit role. Preserve the Advant S800 I/O receiving position, connected hardware and configuration record. After installation, review diagnostics and complete the approved functional checks before process release.

      Termination Details

      TU891 3BSC840157R1 is documented as an ABB Module Termination Unit for the Advant S800 I/O equipment family. The documented channels is 8 Channels. The documented voltage is 24 V. Use these values only with the complete product identity and verified receiving-system record.

      Advant S800 I/O Integration

      Match TU891 3BSC840157R1 to the approved mounting position, terminal or connector arrangement, paired assemblies and configuration record. The documented mounting is Horizontal. After installation, verify every affected function.

      Customs & shipping dimensions / weight

      • Net product dimensions
        Confirmed after final packing
        ABB lists net product dimensions of 58.5 × 64 × 194 mm (W × D × H); final packed dimensions depend on included items and protective packaging.
      • Net product weight
        Confirmed after final packing
        ABB lists a net product weight of 0.3 kg; final packed weight includes protective packaging.
      • Packed shipping data
        Confirmed after final packing
        Packed dimensions and weight depend on included items and protective packaging.
      • Country of origin
        Singapore
        Verified from the product nameplate or traceable documentation.
      • Ships from
        Xiamen, Fujian, China
        Dispatch details are stated in the written quotation.
      • Customs documents
        Confirmed before dispatch
        Available document scope is stated in the written quotation.
      PRODUCT & ORDER FAQS

      Questions buyers ask about TU891 3BSC840157R1

      • How is the exact TU891 3BSC840157R1 identified?

        Match the complete TU891 3BSC840157R1 marking, revision, connectors and installed position. The documented channels is 8 Channels.

      • Which system must TU891 3BSC840157R1 match?

        It must match the documented Advant S800 I/O receiving hardware and configuration. The documented voltage is 24 V.

      • Can a visually similar unit replace TU891 3BSC840157R1?

        No. Appearance does not establish interchangeability; compare the complete order code and hardware execution.

      • What should be recorded before removing TU891 3BSC840157R1?

        Record the nameplate, installed position, terminal or connector allocation, settings and diagnostic state.

      • What information should accompany a TU891 3BSC840157R1 enquiry?

        Provide the complete marking, clear label photographs, required condition, quantity and receiving-system reference.

      • Which installation checks apply to TU891 3BSC840157R1?

        Confirm isolation, mounting, wiring or connector placement, paired equipment and configuration dependencies before energizing.

      • How should TU891 3BSC840157R1 be tested after installation?

        Review diagnostics, then function-test every affected power, communication, protection, control or I/O path.

      • How are revision and availability confirmed for TU891 3BSC840157R1?

        The exact revision, lifecycle stage, supplied condition, included items and availability are confirmed in the written quotation.
      All FAQ
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          • Pre-shipment inspection

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          • Documentation available

            Product photos, packaging photos, certificates and datasheets can be provided when available.

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            Condition, warranty, lead time, included items and shipping terms are stated clearly in writing.

          • 20+ years of experience

            Over 20 years of experience in industrial automation and hard-to-source legacy parts.

          • Product Lifecycle Stage

            Obsolete / Discontinued by OEM

            Moore Automated supplies ABB TU891 3BSC840157R1 Module Termination Unit units subject to confirmed availability and condition. Every supplied item is inspected before shipment to support stable operation and reduce unplanned downtime.

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          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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