WB7-40.5 40.5kV Red Epoxy Resin Bending Plate – Technical Description The WB7-40.5 40.5kV Red Epoxy Resin Bending Plate is a high-performance insulating component designed for medium-voltage electrical applications, particularly in switchgear, circuit breakers, and other power distribution systems. This bending plate is engineered to provide excellent electrical insulation, mechanical strength, and environmental resistance, ensuring reliable operation in demanding conditions. Material and Construction The bending plate is manufactured using red epoxy resin, a thermosetting polymer known for its superior dielectric properties, thermal stability, and resistance to moisture, chemicals, and mechanical stress. The epoxy resin is reinforced with high-quality fillers to enhance its structural integrity and arc resistance. The red color serves as a visual indicator for easy identification in electrical assemblies. Electrical Performance Rated for 40.5kV, this bending plate is designed to withstand high-voltage stresses while maintaining insulation integrity. It exhibits excellent dielectric strength, ensuring minimal leakage current and preventing electrical breakdown under normal and transient overvoltage conditions. The material’s high tracking resistance prevents surface degradation due to partial discharges, making it suitable for long-term use in harsh electrical environments. Mechanical Properties The epoxy resin construction provides exceptional mechanical rigidity and dimensional stability, allowing the plate to maintain its shape under mechanical loads and thermal cycling. It offers high flexural strength, ensuring durability even when subjected to bending forces during installation or operation. Additionally, the material is resistant to cracking, chipping, and deformation, contributing to extended service life. Environmental and Thermal Resistance The red epoxy resin formulation ensures resistance to moisture, dust, and chemical contaminants, making it suitable for indoor and outdoor applications. It can operate effectively across a wide temperature range, typically from -30°C to +120°C, without significant loss of performance. The material’s flame-retardant properties comply with industry safety standards, reducing fire risks in electrical installations. Applications This bending plate is commonly used in: - Gas-insulated switchgear (GIS) - Vacuum circuit breakers - Disconnectors and grounding switches - Transformer bushings and terminal insulation Its robust design ensures reliable insulation and mechanical support in critical power distribution systems. Compliance and Standards The product meets international standards for electrical insulation, including IEC, ANSI, and other regional certifications, ensuring compatibility with global electrical infrastructure requirements. Conclusion The WB7-40.5 40.5kV Red Epoxy Resin Bending Plate is a high-quality insulating component that combines superior electrical insulation, mechanical durability, and environmental resistance. Its epoxy resin construction ensures long-term reliability in medium-voltage applications, making it an essential part of modern power distribution systems.