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      TU840 3BSE020846R1

      Termination Unit

      Product Information

      Product Describe

      module termination unit (MTU) for

      redundant configuration of Optical

      ModuleBus Modem TB840/TB840A.

      TU840 Termination Unit for 1+1 TB840


      • Manufacturer:
        ABB
      • Product Category:
        DCS System
      • Spare Part Number:
        3BSE020846R1
      • Estimated shipping dimensions:
        18.5x12.2x4.7cm
      • Weight:
        0.42 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        SWEDEN
      • Place of shipment:
        Xiamen, Fujian, China
      • Master or slave:
        N/A
      • Power input:
        24 V d.c (19.2 -30 V)
      • ModuleBus current distribution:
        Maximum 5 V 1.5 A 24 V 1.5 A
      • Rated insulation voltage:
        50 V
      • Power dissipation:
        2.0 W
      • Temperature, Operating:
        0 to +55 °C (+32 to +131 °F), approvals are issued for +5 to +55 °C
      • Temperature, Storage:
        -40 to +70 °C (-40 to +158° F)
      • Relative humidity:
        5 to 95 %, non-condensing
      • Stock:
        20

      • Factory New

        These are new and current items that are procured from the manufacturer.

      • New In Opened Package

        These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.

      • Reliable Industrial Automation Component Suppliers

        In the rapidly evolving field of industrial automation, the need for reliable and cost-effective equipment has never been more critical.

      More Information

      By purchasing this item, you agree to the Terms & Conditions
      Moore Automated is NOT an authorized distributor of ABB
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      1-year warranty

      All our products come with a 1-year warranty for your peace of mind.

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      Moore Automated is not an authorized distributor, reseller or representative of the products featured on this website.
      All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
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          FAQ

          • How does TU840 3BSE020846R1 operate as a precision termination unit to ensure deterministic, low-impedance signal interfacing within the ABB Advant S800 I/O architecture?
            TU840 3BSE020846R1 provides a mechanically robust and electrically stable termination interface that preserves signal integrity between field wiring and S800 I/O modules, ensuring predictable and repeatable signal transmission in continuous operation.
          • In what ways does TU840 3BSE020846R1 enhance signal integrity and suppress degradation caused by contact resistance variation, vibration, or thermal stress?
            By employing high-grade terminal materials, optimized conductor clamping mechanisms, and vibration-resistant construction, TU840 3BSE020846R1 minimizes resistance drift and maintains stable electrical performance over its operational lifecycle.
          • Why is TU840 3BSE020846R1 particularly suitable for compact automation systems that demand high reliability and efficient cabinet space utilization?
            TU840 3BSE020846R1 features a compact form factor and structured terminal layout, enabling orderly wiring practices while maximizing usable cabinet space in modular control installations.
          • How does TU840 3BSE020846R1 support modular system design and facilitate rapid I/O module replacement without disturbing permanent field wiring?
            By separating fixed field connections from pluggable I/O electronics, TU840 3BSE020846R1 allows quick module exchange, reduces maintenance effort, and minimizes system downtime.
          • How does TU840 3BSE020846R1 maintain mechanical stability and electrical continuity under vibration, thermal cycling, and long-term operational stress?
            The rigid housing structure and precision-engineered terminal interfaces of TU840 3BSE020846R1 ensure consistent contact pressure and mechanical stability even in vibration-intensive and thermally dynamic environments.
          • How does TU840 3BSE020846R1 ensure seamless mechanical alignment and electrical interfacing with compatible ABB Advant S800 I/O modules?
            TU840 3BSE020846R1 is engineered to meet ABB’s precise S800 specifications for connector geometry, mounting tolerances, and electrical interfacing, ensuring predictable and error-free module installation.
          • What differentiates TU840 3BSE020846R1 from generic termination units in terms of lifecycle reliability, maintainability, and system transparency?
            Unlike non-platform-specific termination solutions, TU840 3BSE020846R1 is purpose-built for the S800 ecosystem, offering consistent documentation alignment, traceable wiring structures, and superior long-term reliability.

          More Product

          Product Applications
          • 1.Automated equipment is widely used in assembly, inspection, handling, and packaging processes.
          • 2.It can improve production efficiency and product consistency.
          • 3.At the same time, it reduces labor costs and enhances operational safety.
          Specification Value
          Specification Value
          Materials Carbon steel, stainless steel, aluminum alloy, and engineering plastics, etc.
          HS CODE 8537101190
          Port of Shipment Xiamen, Fujian, China
          Control System PLC/DCS control, supports HMI and industrial Ethernet communication
          Protection Class IP54 / IP65 (customizable)
          Installation Floor-standing, wall-mounted, or modular installation
          Delivery and payment
          Delivery arrangements for automation equipment orders will depend on production cycles and project requirements. We accept TT payment, or as per customer requirements. Payment typically includes an advance payment and the balance due before shipment. All arrangements are strictly executed according to the contract to ensure successful order completion.

          • 20 Years of Excellence in Industrial Automation Supply

            For over 20 years, Moore Automated has been a trusted leader in the industrial automation supply industry. As a dependable automation parts supplier, we’ve expanded our product lines, grown a global customer base, and earned repeated recognition as a Most Trusted and Reliable Supplier Award.

            Our long-standing success reflects our commitment to quality, reliability, and customer satisfaction. Whether you’re sourcing hard-to-find components or need expert repairs, Moore Automated stands out among industrial automation parts suppliers for our experience, service, and unbeatable 1-year warranty.

          • Unbeatable 1-Year Warranty on Industrial Automation Parts

            When it comes to industrial automation supply, Moore Automated leads the way with exceptional quality and reliability. All of our PLC, DCS spare parts and repair services are backed by an unbeatable 1-year warranty, giving you the confidence you deserve when choosing an automation parts supplier.

            As one of the most trusted industrial automation parts suppliers, we understand the importance of dependable performance. That’s why we go beyond industry standards—offering a 1-year warranty that outperforms typical coverage. Whether you’re replacing obsolete components or maintaining critical systems, Moore Automated provides the high-quality parts and expert repairs you need.


            Choose Moore Automated

          • Emergency Shipping Available for Industrial Automation Parts

            Downtime can cost you time and money—Moore Automated is here to help. As a reliable automation parts supplier, we offer emergency shipping to get critical components to you fast and minimize disruptions.

            With two decades of experience in industrial automation supply, we understand how vital speed and reliability are. That’s why we’re proud to be one of the few industrial automation parts suppliers offering urgent shipping options to keep your operations running smoothly.


            Need it now? Count on Moore Automated for fast, dependable emergency delivery backed by our unbeatable 1-year warranty.

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