The Wishpower high voltage composite bushing with silicone housing is a new-generation insulation product designed for modern high-voltage power systems. It combines an epoxy fiberglass rod core with a high-quality silicone rubber outer housing, ensuring outstanding electrical performance and long-term stability.
Compared to traditional porcelain bushings, it offers lighter weight, easier installation, enhanced anti-pollution performance, and improved shock resistance, making it the preferred choice for power equipment manufacturers worldwide.

| Parameter | Value | Description |
|---|---|---|
| Rated Voltage | 10kV – 220kV | Customizable voltage range |
| Core Material | Epoxy fiberglass | High strength and durability |
| Housing Material | Silicone rubber | Excellent hydrophobicity and UV resistance |
| Mounting Type | Flange / Threaded | Flexible installation options |
| Operating Temperature | -40℃ ~ +120℃ | Suitable for outdoor and harsh environments |
Power transformer manufacturing
High-voltage transmission systems
Gas-insulated switchgear (GIS)
Railway electrification systems
Industrial electrical cabinets
Wishpower specializes in the research, development, and manufacturing of composite insulators, bushings, and surge arresters. Equipped with advanced automated production lines and strict quality control systems, Wishpower products are certified under IEC and ANSI standards.
With a global presence across Europe, South America, the Middle East, and Southeast Asia, Wishpower provides OEM and customized solutions to meet diverse insulation requirements from power utilities and industrial customers.
Q1: What types of composite bushings are available?
A1: We offer several types including epoxy core, hollow insulator, and flange-mounted bushings for different equipment needs.
Q2: What are the benefits of the silicone housing?
A2: The silicone rubber housing offers superior hydrophobicity, UV resistance, and long-term anti-pollution performance.
Q3: Can the voltage rating be customized?
A3: Yes, we can manufacture bushings from 10kV up to 220kV according to customer specifications.
Q4: Is the product suitable for outdoor use?
A4: Absolutely. The silicone housing ensures stable operation even in humid, polluted, or extreme weather conditions.
Q5: What is the warranty period?
A5: Wishpower provides a standard 2-year warranty with lifetime technical support.