UFC921A101 3BHE024855R0101
Product Name: ABB UFC921A101 INT-2 Board Varnished / Control Board / Interface Board
Product Description:
The ABB UFC921A101 (part number 3BHE024855R0101) is a versatile board with several described functions depending on the ABB system it is used within. It is identified as:
- A varnished INT-2 board designed for use in ABB variable frequency drives (VFDs). 1 In this context, it likely plays a role in power supply control and managing the motor control electronics. The varnish provides protection against moisture and contaminants.
1. 3BHE024855R0101 | ABB INT-2 Board Varnished UFC921A101
- A control board for ABB’s AC 800F programmable logic controllers (PLCs), facilitating the integration of field devices and actuators into the PLC system.
- An interface board for the ABB Advant Master process control system, used to interface between the Advant Master controller and devices on the Masterbus 300 communication network, supporting up to 16 nodes.
- A module controller for a DC power supply, designed to collect and control current signals.
- A gate driver module for the ABB DCS system, used to control the gate of IGBT power modules in ABB excitation systems.



