Degatech Electric High Voltage Bushing – The Critical Insulation Solution for High-Voltage Infrastructure
In high-voltage power transmission and distribution systems—where voltages exceed 35kV and extend to hundreds of kilovolts—every component must meet rigorous standards of performance, safety, and durability. Among these essential components, the high voltage bushing serves as a vital interface, enabling energized conductors to pass safely through grounded metal enclosures of transformers, switchgear, and substations while maintaining robust electrical insulation and mechanical support. As a leading manufacturer of medium and high-voltage power distribution equipment, Degatech Electric engineers and supplies industry-leading Degatech Electric High Voltage Bushing solutions, designed to excel in the most demanding high-voltage applications. Explore the full range of Degatech’s high voltage bushings, including technical specifications and customization options, on the official Degatech Electric switchgear products page.
A high voltage bushing is far more than a simple insulating component; it is a critical barrier that protects both equipment and personnel by controlling electrical field strength, preventing leakage currents, and eliminating arcing risks that could lead to catastrophic equipment failure or safety hazards. In high-voltage systems—such as utility substations, industrial power plants, renewable energy facilities, and long-distance transmission networks—bushings must withstand extreme electrical stresses, thermal fluctuations, mechanical forces, and harsh environmental conditions. Degatech Electric recognizes these challenges and has developed a comprehensive lineup of high voltage bushings, with a focus on epoxy resin technology that delivers exceptional performance and reliability.
The Degatech Electric High Voltage Bushing product range is centered on high-quality epoxy resin bushings, a flagship offering that aligns with the brand’s commitment to innovation, sustainability, and performance. Degatech’s epoxy resin high voltage bushings are engineered using high-purity unsaturated polyester resin and glass fiber reinforced molded plastic (BMC/SMC), combined with brass, iron, or aluminum inserts—materials carefully selected for their superior electrical insulation, high mechanical strength, and thermal stability. These bushings are lightweight, corrosion-resistant, and easy to install, requiring minimal maintenance while delivering long-term reliability—key advantages over traditional oil-impregnated paper (OIP) bushings that are prone to oil leakage and moisture ingress.
In addition to epoxy resin bushings, Degatech Electric offers specialized high voltage bushings to cater to diverse application needs. For outdoor high-voltage substations and harsh environmental conditions, the brand provides composite silicone rubber bushings, which feature hydrophobic surfaces, excellent pollution resistance, and UV stability—ideal for coastal or polluted areas where surface flashover is a concern. For applications requiring ultra-high dielectric strength, Degatech also offers resin-impregnated paper (RIP) bushings, which combine the benefits of dry insulation with superior voltage withstand capabilities, making them suitable for voltages up to 800kV and beyond. All Degatech high voltage bushings are available in voltage ratings from 12kV to 35kV and above, with current capacities up to 1250A, ensuring compatibility with a wide range of high-voltage systems.
Every Degatech Electric High Voltage Bushing is manufactured using advanced production processes and undergoes rigorous quality control to meet international standards. Degatech adheres to IEC 60137—the global standard for insulated bushings for alternating voltages above 1000V—which specifies strict requirements for dielectric strength, thermal performance, mechanical endurance, and environmental resistance. Additionally, the brand complies with ISO 9001 quality management standards and ISO 14001 environmental standards, reflecting its commitment to quality and sustainability. Each bushing undergoes comprehensive testing, including dielectric withstand testing, partial discharge testing, temperature rise testing, and mechanical strength testing, ensuring it performs flawlessly in real-world high-voltage applications.
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