ABB | Advant 800xA TU844

Product Details

• Part Number 1 TU844
• Part Number 2 3BSE021445R1
• Part Number 3 U3BSE021445R1
• Additional Part Numbers EXC3BSE021445R1, REP3BSE021445R1

Product Description

The product identified as ABB TU844 is a Termination Unit in the Advant 800xA hardware family.

Within the process-control arrangement, a termination assembly helps separate permanent field wiring from replaceable electronic modules, providing a structured connection point for commissioning, troubleshooting, and lifecycle service. Exact operating details should be taken from the installed model documentation.

ABB Advant and System 800xA environments combine control, I/O, communication, and operator resources. This product supports the hardware function identified by its description within the installed system. Installation should follow the control node's approved hardware records.

For ongoing lifecycle support, proper application depends on matching the product to the original control-system design, including its physical position, electrical connections, and configured relationship with surrounding hardware. The product remains part of the broader control and signal-handling arrangement.

Product Documentation

• Part Notes

  ASEA Brown Boveri

• Catalog Description

  TU844 Redundant MTU (Module Termination Unit), 50V

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