ABB | Advant 800xA TU921B

Product Details

• Part Number 1 TU921B

Product Description

TU921B is identified by ABB as a Redundant Termination Unit within the Advant 800xA family.

For replacement planning, this type of unit concentrates field connections at a defined termination point before signals reach the related control-system electronics. Correct pairing with the associated I/O hardware is essential. The original equipment schedule should guide compatibility review.

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. The plant's maintenance records should support final product selection.

When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. Ratings and capacity should be verified against the exact model documentation.

Product Documentation

• Part Notes

  Alt# 3KDE175112L9210

• Common Part Typos TU92IB, TU92lB

Reviews

5.0 Rating

"Dear Frank and James, This morning we tested the "new" IEPAF01 cards. Everything is fine!!! I want to express my thanks and my personal acknowledgement on how you..."

- Carmelo I., Italy

"We received the cables Frank. They are in great shape, including the connectors. Thanks for the good service."

- Larry A., United States

"DCS CENTER Really saved the day! I had the parts I needed in my hands the day after ordering ( I'm in Toronto Canada ). I highly recommend..."

- Steven T., United States

"Frank your customer service has been excellent, you go out of your way to help and support. Your response and feedback is exceptional, its a pleaure to engage..."

- Selva Moodley, South Africa

"Hi Frank and thank you for your quick response - good service. We look forward to doing more business with DCS"

- Serge, United States

"James is the BEST! He makes sure all your questions are answered and that you're happy with your order before it's shipped. My part arrived right on time...."

- Katie, United States