Honeywell | UCN 621-3450

Product Details

• Part Number 1 621-3450

Product Description

For UCN system applications, Honeywell 621-3450 provides the function of an Input Module.

For replacement planning, this class of module brings discrete field status into the control system. Typical signal sources include switches, relay contacts, permissives, and equipment-status circuits when they match the module's electrical requirements. Its role should remain distinct from that of similarly named assemblies.

For system maintenance, this product is associated with the UCN family and the control system modules category. Configuration and compatibility should be confirmed for the exact system in which it will be used. The original equipment schedule should guide compatibility review.

In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. Final selection should be based on the plant's controlled-equipment records.

Product Documentation

• Specification PDF honeywellucn.pdf
• Part Notes

  DCS Center can repair your 621-3450 part or offer an exchange for quick turnaround. This Honeywell UCN unit New, Remanufactured or Repaired is fully warranted by DCS Center.

• Common Part Typos 621-345O, 6213450, 621345O, 62I-3450, 62I3450, 62l-3450, 62l3450

Reviews

5.0 Rating

"Thank you for your help in finding new surplus parts for our ABB system. Y'all always do a great job for us. We are happy to buy from..."

- Amanda, United States

"Been doing business with the DCS Center for years. Quick responses, solid repairs and excellent follow-up support!"

- Alex L., United States

"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

"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

"Frank, we are very happy with your service. Our test mechanic has checked the controllers, they all are good!"

- Tony N., United States

"We received the 6ES7141-1BF12-0XB0 module yesterday - thank you very much! We will probably order another one next week. Thanks"

- George C., United States