ABB UFC921A101 3BHE024855R0101 Control Board | DC Power Supply Module

Description

【Product Overview】

The ABB UFC921A101 (3BHE024855R0101) is a multifunctional control and interface board designed for ABB industrial automation, drive systems, and generator excitation applications.

It acts as a core module responsible for signal processing, communication, and system coordination within complex control environments.

This module is widely used in ABB excitation systems (such as UNITOL 5000), frequency converters (ACS drives), and process control systems, enabling precise voltage regulation, data acquisition, and real-time system control.

With high-speed processing capability and multiple communication interfaces, the UFC921A101 ensures stable operation and efficient performance in demanding industrial applications.

ABB UFC921A101 3BHE024855R0101 control interface board label

【Technical Specifications】

【Applications】

(1) ABB UNITOL generator excitation systems
(2) ABB ACS drive systems
(3) Distributed control systems (DCS)
(4) Industrial automation and process control
(5) Power generation and energy systems

👉 核心作用：
控制核心 + 通信接口 + 励磁调节（电压控制）

ABB UFC921A101 3BHE024855R0101 control interface board sideview

【Why Choose Us】

(1) Extensive global inventory with multiple warehouses
(2) Fast supply for ABB control and interface modules
(3) Strong sourcing capability for obsolete and rare parts
(4) 100% original products with quality assurance
(5) 12-month warranty with after-sales support
(6) Support COO and flexible return policy

【Procurement Process】

(1) Send us the full model number or product image
(2) Contact us via WhatsApp, Email, or Inquiry form
(3) Receive quotation and delivery time within 24 hours
(4) Confirm order and receive Proforma Invoice (PI)
(5) Immediate stock allocation and preparation
(6) Real-time video inspection before shipment
(7) Shipment arranged after your confirmation

【FAQ】

Q1: What is ABB UFC921A101 used for?
A: It is a control and interface board used for signal processing, communication, and excitation control in ABB systems.

Q2: Which systems use this module?
A: It is commonly used in UNITOL excitation systems, ABB ACS drives, and industrial DCS platforms.

Q3: What is the main function of this module?
A: It handles control logic, data acquisition, communication, and voltage regulation.

Q4: Is this module part of excitation systems?
A: Yes, it plays a key role in generator excitation and voltage control.

Q5: What communication protocols are supported?
A: It supports Ethernet, Modbus, RS-232/RS-485 and other industrial protocols.

Q6: Is this model still available?
A: Availability depends on global stock; we support sourcing for discontinued models.

Q7: What warranty do you provide?
A: We offer a 12-month warranty.

ABB UFC921A101 3BHE024855R0101 control interface board backside

【CTA】

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