Product Overview

The 3BHE004573R0141 UFC760 BE141 is a specialized high-voltage interface module engineered for the ABB UNITROL excitation system series. This critical interface board serves as the primary communication and signal conditioning link between low-voltage control logic and high-power excitation circuits. By facilitating precise voltage monitoring and firing command transmission, the UFC760 BE141 ensures that the synchronous generator or motor receives accurate excitation currents to maintain grid synchronization. Built with high-grade galvanic isolation and noise-suppression circuitry, this board is designed to maintain signal integrity in the electrically volatile environments typical of power generation and heavy drive systems.

Hardware Infrastructure and Signal Integrity Features

The UFC760 BE141 is characterized by its high-density PCB architecture and its ability to manage high-speed pulse signals with minimal jitter.

• Primary Function: High-voltage signal interfacing and conditioning for UNITROL systems.

• Control Range: Supports variable output frequencies and extensive voltage regulation envelopes for diverse automation needs.

• Safety & Compliance: Fully certified under CE and ISO 9001 standards to ensure international industrial safety compliance.

• Isolation Protection: Integrated high-voltage barrier to safeguard low-voltage Distributed Control System (DCS) components.

• Mechanical Profile: 32.9cm x 15.8cm x 3cm.

• Weight: 0.34 kg.

• Processing Architecture: Proprietary ABB logic design for rapid response times and tailored operational stability.

• Environmental Build: Sweden-manufactured board utilizing premium dielectric materials for long-term thermal resilience.

Strategic Industrial Applications

This interface board is a fundamental component for the reliable management of large-scale power conversion assets. In hydroelectric and thermal power stations, the 3BHE004573R0141 is utilized within the excitation cabinet to provide the necessary feedback loops for automatic voltage regulators (AVR), ensuring the generator remains stable under varying load conditions. It is equally vital in heavy industrial manufacturing—such as steel mills and mining operations—where large synchronous motors require precise control of excitation levels to optimize power factor and energy efficiency. Its robust design allows it to be integrated seamlessly into existing UNITROL frameworks, making it a preferred choice for system upgrades or critical maintenance where operational downtime must be strictly minimized.