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ABB - Process Automation 3BSE021445R1 - TU844 Redundant MTU, 50V
ABB - Process Automation

3BSE021445R1


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Overview

The ABB TU844 Redundant MTU (SKU 3BSE021445R1) is a Module Termination Unit from ABB Process Automation. Designed for redundant I/O control applications, it operates at a 50V rated isolation and mounts horizontally on a DIN rail. This unit is crucial for ensuring high availability in critical infrastructure by enabling automatic failover to backup components during system failures. It is commonly integrated into SCADA and DCS environments within sectors such as oil & gas, power generation, and water treatment. The TU844 is part of ABB’s automation portfolio and does not include a Shunt Stick. Its horizontal DIN rail mounting ensures compatibility with standard industrial enclosures.
  • Redundant Module Termination Unit (MTU)
  • Manufacturer: ABB Process Automation
  • Model: TU844
  • Rated Isolation: 50V
  • Mounting: Horizontal DIN rail

Specifications

Series
TU844
Voltage Rating
50 V
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Frequently Asked Questions

What voltage rating does the TU844 support?

The TU844 operates with a 50V rated isolation voltage.

How is the TU844 mounted?

The TU844 is designed for horizontal mounting on a DIN rail.

Is a Shunt Stick included with the TU844?

No, the Shunt Stick is not included with the TU844.

Does the TU844 support redundant I/O?

Yes, the TU844 is designed for use with redundant I/O applications.

What applications use the TU844?

The TU844 is used in SCADA and DCS environments, including oil & gas, power generation, and water treatment.

Frequently Asked Questions about ABB - Process Automation

What certifications and standards do ABB - Process Automation products comply with?

ABB - Process Automation products comply with an extensive range of international, national, and marine certifications, including IEC, EN, UL, CSA, CE, and marine classification society standards. Key certifications include IEC 60947 series standards for low-voltage switchgear, UL and CSA approvals for North American markets, CE marking for European compliance, and marine approvals from societies like Bureau Veritas, DNV, and Lloyd's Register of Shipping.

What industries and applications are ABB - Process Automation products used for?

ABB - Process Automation products are engineered for critical applications across multiple heavy-duty and process industries, including Chemical, Energy, Oil and Gas, Mining, Metals, Pulp and Paper, Marine and Offshore, Food and Beverage, and Water/Wastewater. Their solutions cover a wide range of applications such as pump and compressor systems, conveyors, cranes, hoists, fans, and complex industrial automation requirements, with specialized drive systems designed for high-reliability environments and sustainable industrial operations.

What technical support does ABB - Process Automation offer?

ABB - Process Automation offers comprehensive technical support through a full range of lifecycle services, including 24/7 support, software maintenance, technical assistance, repairs, spare parts logistics, training, and customized service agreements. Their technical support covers system diagnostics, cyber security, performance checks, and provides ongoing optimization to maximize plant availability, reliability, and operational excellence.

What are the main product lines offered by ABB - Process Automation?

ABB - Process Automation offers the comprehensive Compact Product Suite, which includes process controllers, field interfaces, HMIs, and control systems designed for industrial automation. Key product lines include the AC 800M Controller, S800 I/O systems, HR Series Controllers, SD/SDe Controllers, and ABB Ability™ Symphony® Plus platform. These products provide seamless integration, scalability, and high performance across process industries, supporting everything from small to large multi-system configurations.

What are the key features of ABB - Process Automation products?

ABB - Process Automation products feature a SIMPLE, SCALABLE, SEAMLESS, and SECURE total plant automation solution. The Symphony Plus system offers comprehensive integration across plant operations, supporting everything from small to large multi-system configurations with seamless device and system connectivity. Key capabilities include advanced cybersecurity, flexible control platforms, and the ability to integrate new technologies and functionalities incrementally while protecting existing control system investments.

What communication protocols do ABB - Process Automation products support?

ABB - Process Automation products support a comprehensive range of industrial communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU. Additional supported protocols include IEC 61850, OPC UA, and MasterBus 300, providing flexible connectivity for diverse industrial automation requirements.

What environmental ratings do ABB - Process Automation products have?

ABB - Process Automation products feature robust environmental ratings across multiple standards. Typical ratings include IP54 to IP66 protection levels, with options for dust-tight and water-resistant enclosures. Products are certified for various environmental conditions, including CSA and CE standards, with specific ratings for industrial and outdoor applications ranging from NEMA Type 1 to Type 4X enclosures.

What accessories are available for ABB - Process Automation products?

ABB - Process Automation offers a comprehensive range of accessories for motor protection and control products. Key accessories include expansion modules like the DX111-FBP.0 (digital inputs), VI150-FBP.0 (voltage module), and AI111.0 (analog/temperature module). Additional accessories span auxiliary contact blocks, electronic timers, interlocks, interface relays, terminal blocks, connection accessories, and mounting pieces for contactors and motor starters.

How are ABB - Process Automation products typically installed?

ABB - Process Automation products are installed through a comprehensive, professional process that includes precise equipment verification, systematic assembly, secure electrical connections, and thorough pre-commissioning and commissioning tests. Installation services cover critical steps such as foundation frame verification, equipment assembly, bushing and busbar installation, control cable connections, earthing system connection, and comprehensive functional testing to ensure optimal performance and reliability.

What is ABB - Process Automation's warranty policy?

ABB - Process Automation offers standard and extended warranty options for its industrial automation products. For specific product lines like S800 I/O, S900 I/O, Fieldbus, and AC 800M, customers can purchase extended warranty coverage ranging from 12 to 48 additional months. The extended warranty pricing is calculated as a percentage (3-12%) of the affected hardware articles in the order, with terms governed by ABB AB in Sweden's Process Control Products supply conditions.