FXBW Series Rod-Type Composite Suspension Insulator for 11–220kV Transmission Lines
FXBW Series Rod-Type Composite Suspension Insulator for 11–220kV Transmission Lines is designed to provide reliable electrical insulation and mechanical support for overhead transmission and distribution systems. It combines a high-strength epoxy fiberglass rod core with an HTV silicone rubber housing, delivering a lightweight structure, strong tensile performance, and excellent outdoor durability.
With superior hydrophobicity and pollution resistance, the FXBW series is suitable for coastal, industrial, mountainous, and high-altitude environments where contamination and harsh weather can affect insulation performance. Available in different voltage and mechanical load configurations, it provides a low-maintenance solution for modern high-voltage overhead networks.
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The FXBW Series Rod-Type Composite Suspension Insulator is designed for reliable electrical insulation and mechanical support in 11kV–220kV overhead transmission and distribution systems. It features a silicone rubber housing and fiberglass-reinforced rod core, combining high mechanical strength with a lightweight structure.
The silicone rubber housing provides excellent hydrophobicity and pollution resistance, helping maintain stable insulation performance in coastal, polluted, mountainous, and high-altitude environments. Compared with traditional porcelain suspension insulators, the composite design can also simplify transportation and installation.
FXBW series configurations can be manufactured and tested according to applicable standards such as IEC 61109 and GB/T 19519, making them suitable for overhead power lines and other high-voltage electrical infrastructure.
Key Features
- Wide Voltage Range: 11kV–220kV
Available for a broad range of overhead transmission and distribution applications, with configurations selected according to system voltage and mechanical requirements. - Multiple Standard Models
Typical configurations include FXBW-11/70, FXBW-35/100, FXBW-110/160, and FXBW-220/210, covering different voltage and mechanical load requirements. - High-Strength Fiberglass Rod Core
The epoxy fiberglass core provides strong tensile performance while maintaining a lightweight structure, supporting reliable mechanical loading during long-term operation. - HTV Silicone Rubber Housing
High-temperature vulcanized silicone rubber provides excellent hydrophobicity, weather resistance, and pollution resistance for demanding outdoor environments. - Durable Metal Fittings
Available with hot-dip galvanized steel or aluminum alloy fittings, providing reliable mechanical connections and improved corrosion resistance. - High Mechanical Load Capacity
Configurations are available with rated tensile strengths from approximately 70kN to 210kN, depending on the model. - Long Service Life & Low Maintenance
The composite structure is designed for long-term outdoor operation with reduced routine maintenance requirements. - Excellent Pollution Flashover Resistance
The hydrophobic silicone rubber surface helps limit contamination and moisture effects, improving insulation reliability in coastal, industrial, dusty, and heavily polluted environments.
Technical Data
| Item | Unit | Parameter | |
| Rated Voltage | kV | 35 | |
| Dry Arc Distance | mm | 300 | |
| Creepage Distance | 1050 | ||
| Rated Tensile Load | kN | 100 | |
| Bending Breaking Load | ≥120 | ||
| Power Frequency Flashover | kV | ≥110 | |
| Lightning Impulse Withstand Voltage (Peak) | ≥200 | ||
| Standard Compliance | / | IEC 61109, GB/T 19519 | |
Model and Appearance


