Composite Polymer Insulator Manufacturer – 11kV, 22kV, 24kV, 33kV & up to 36kV

Composite Polymer Insulators are advanced medium-voltage insulation solutions designed for overhead distribution lines and substations. Manufactured using high-strength FRP core rods with premium silicone rubber housing, these insulators deliver superior mechanical strength, excellent electrical performance, and long service life.

We manufacture and supply Composite Polymer Insulators from 11kV to 36kV, suitable for urban, rural, coastal, and industrial power networks.

Available Voltage Ratings

• 11kV Composite Polymer Insulator
• 22kV Composite Polymer Insulator
• 24kV Composite Polymer Insulator
• 33kV Composite Polymer Insulator
• Up to 36kV Composite Polymer Insulator

Types of Composite Polymer Insulators We Supply

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Disc Insulator

B&S Type Disc Insulator
T&C Type Disc Insulator

Used for suspension and tension applications on overhead lines.

Pin Type Composite Insulator

Designed for pole-mounted distribution systems.

Used in substations and switchyards for equipment support.

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Line Post Insulator

Ideal for compact line construction and high mechanical load applications.

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Dead End Insulator

Used for conductor termination and high tensile load requirements.

Eye Type Composite Polymer Insulator

Supplied with eye fittings on one or both ends, suitable for flexible line connections and hardware assemblies.

Strain Type Composite Insulator

Used at angle towers and section points where mechanical strain is high.

Tension Type Composite Insulator

Designed to withstand continuous tensile forces in overhead lines and transmission networks.

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Mechanical Load Ratings (Typical)

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Disc / Strain / Tension / Eye Type Insulators

• 70 kN
• 90 kN
• 120 kN

Suitable for suspension and tension string applications.

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Pin Type Composite Insulator

• Cantilever Load: 5 kN to 10 kN
• Applicable Voltage: 11kV to 33kV

Line Post / Post Insulator

• Cantilever Load: 5 kN, 8 kN, 10 kN
• Torsional Strength: As per project requirement
• Voltage Range: 11kV to 36kV

Dead End Composite Insulator

• Tensile Load: 40 kN to 70 kN
• Designed for high tension conductor termination.

(All mechanical loads can be customized based on utility or project specifications.)

Technical Overview

• Operating Voltage: 11kV to 36kV

• Housing Material: High-grade silicone rubber

• Core Material: Fiberglass Reinforced Plastic (FRP)

• End Fittings: Hot dip galvanized forged steel

• Mechanical Strength: Up to 120 kN

• Application: Distribution lines, substations, railways, industrial networks

• Manufactured in accordance with international standards including

• IEC 61109 and relevant IS specifications.

Key Features

• High tensile FRP core rod
• Hydrophobic silicone rubber sheds
• Excellent tracking and erosion resistance
• Lightweight and shatter-proof
• UV and pollution resistant
• Suitable for coastal and industrial zones
• Long operational life with minimal maintenance

Applications

• Overhead power distribution lines
• Electrical substations
• Industrial electrical systems
• Railway electrification
• Renewable energy projects
• Urban and rural power infrastructure

Advantages Over Porcelain Insulators

✔ Up to 70 percent lighter
✔ Higher mechanical strength
✔ Superior anti-pollution performance
✔ Non-shattering safety design
✔ Faster installation
✔ Lower transportation cost
✔ Reduced lifecycle maintenance