ABB UFC921A101 INT-2 Interface Board

Product Overview

The ABB UFC921A101 is an INT-2 interface board designed for industrial drive systems. Identified by its product number 3BHE024855R0101, this board provides an interface within compatible ABB medium-voltage drive cabinets. It appears in the incoming and control section of platforms such as the ACS 2000, ACS 5000, and ACS 6000.

With a compact circuit-board design and protective varnish coating, the board supports reliable electrical connections within the drive's control architecture. It is a relevant spare part for maintenance teams working with existing ABB drive installations.

Technical Specifications

Specifications are based on ABB product information and drive parts documentation. Confirm the hardware revision and drive configuration before ordering.

Main Features

• Drive system integration: Designed for use within compatible ABB medium-voltage drive assemblies.

• Interface functionality: Supports electrical interfacing within the drive's control architecture.

• Protective coating: Varnish treatment helps protect the circuit board against environmental contamination.

• Maintenance replacement: Suitable for planned servicing and replacement of matching installed components.

• Compact construction: Fits into the designated position within compatible drive cabinets.

Structure and Applications

The board consists of an electronic circuit assembly with mounted components, conductive paths, and interface connections. Its protective coating provides an additional layer of protection for the electronics.

Typical applications include:

• Industrial medium-voltage drive systems

• ACS 2000 drive installations

• ACS 5000 drive installations

• ACS 6000 drive installations

• Industrial motor-control and maintenance projects

The exact role of the board depends on the drive model and system configuration.

Installation and Maintenance

Before replacement, isolate the drive from all power sources and follow the manufacturer's safety procedures. Verify the part number, board revision, connectors, and cabinet configuration. Install the board in its designated position and ensure that all connections are secure.

During maintenance, inspect connectors and the circuit board for contamination, corrosion, or physical damage. Use appropriate electrostatic discharge protection when handling electronic components. Qualified technicians should carry out installation and commissioning according to the relevant ABB documentation.