Description

Brief Product Description

The ABB 3BHE026955R0633 UNS4017A-E Va is a heavy-duty thyristor packet designed for high-capacity power regulation within industrial OCS and 800xA control systems. This Swiss-engineered module provides precise semiconductor switching and superior thermal management for critical excitation and power conversion applications.

​Product Description

The ABB 3BHE026955R0633 UNS4017A-E Va functions as a high-performance power semiconductor assembly, specifically engineered for the Advant OCS and 800xA distributed control environments. This thyristor packet serves as a vital switching element in large-scale power conversion and motor control systems. By utilizing advanced semiconductor technology, the module enables precise phase-angle control, which allows operators to regulate heavy electrical loads with exceptional accuracy. The robust internal architecture ensures that the device maintains signal integrity while managing the significant current flows required by heavy industrial machinery.

Advanced Thermal and Mechanical Engineering

Durability defines the design of the UNS4017A-E Va module. Because high-power switching generates substantial heat, ABB engineers have optimized this packet for superior thermal stability. The unit weighs approximately 8.5 kg, a specification that reflects the high-quality heat sinking and heavy-duty busbars contained within the assembly. These components work together to dissipate heat effectively, preventing thermal runaway and extending the operational lifespan of the semiconductor junctions. Furthermore, the physical chassis protects the internal electronics against the mechanical vibrations often found in power generation and mining facilities.

Global Industrial Integration

The 3BHE026955R0633 assembly supports a variety of demanding applications, ranging from generator excitation systems to large DC drive controls. Its classification under customs tariff 85413000 highlights its status as a specialized thyristor-based power component. ABB manufactures this unit with Swiss precision, ensuring it meets the stringent reliability standards necessary for Industry 4.0 infrastructure. Consequently, the module offers a future-proof solution for plants seeking to maintain high uptime in their power electronics suites while benefiting from the global support network of the ABB Advant ecosystem.

Technical Specification Table