33/36 KV Silicon Polymeric Composite Disc Insulator

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33/36 KV Silicon Polymeric Composite Disc Insulator Specification

Coating Type
Silicone Hydrophobic Coating

Thermal Conductivity
0.17 W/mK

Installation Guideline
Mount on transmission arms using disc hardware, ensure correct torque during installation, avoid sharp bending

Layer
Single Core, Composite Layer

Surface Treatment
Hydrophobic Silicone Coating

Density
1.10 Gram per cubic centimeter(g/cm3)

Size
280 mm diameter

Product Type
Disc Insulator

Material
Silicon Polymeric Composite

Rated Voltage
33/36 KV

Tensile Strength
More than 70 kN

Width
280 mm

Thickness
15 mm

Application
High Voltage Transmission Lines

Breakdown Voltage
Greater than 120 kV

Heat Conductivity
Low

Color
Grey

Packaging
Individual boxed or palletized

Power Frequency Flashover Voltage (Wet)
55 kV

Arcing Distance
350 mm

Insulation Resistance
Above 100 G at 1 kV DC

Power Frequency Flashover Voltage (Dry)
85 kV

UV Resistance
Excellent

Mechanical Failure Load
70 kN

Service Life
More than 35 years

Creepage Distance
900 mm

Weight
3.8 kg

About 33/36 KV Silicon Polymeric Composite Disc Insulator

33/36 KV silicon polymeric composite disc insulator B & S type

Advantage:

Light Weight
High Mechanical Strength
Easy to install
Vandal Proof
Resist Tracking resulting in lower line losses
Reduced leakage current
Excellent in salt, fog and severely contaminated environment
No Ultra violet, corona ozone degrading
High pollution flash over voltage
Wide range of service temperature
Wide range of service temperature -35 to +80C
Better aesthetics
Excellent hydrophobicity

33/36 KV Silicon Polymeric Composite Disc Insulator B & S Type:

Sn. No.	Product Code	System Voltage	Specified Mechanical Load in KN	Dry Arc	Cree-page Distance in mm	Dry Power frequency Voltage with stand in KV	Wet Power frequency voltage with stand in KV	Lightning Impulse with stand in KV	Visible Discharge Test
1	BI-33/36-45/B&S	33KV	45KN	370+/- 5	860	137	111	248	27
2	BI-33/36-70/B&S	33KV	70KN	370+/- 5	860	137	111	248	27
3	BI-33/36-45/B&S/H.C	33KV	70/90N	375+/- 5	1175	154	135	248	27

Product type tested NABL approved govt. Lab ERDA, Vadodara & CPRI, Bangalore.

Approved by Govt. electricity department

Superior Electrical and Mechanical Reliability

This disc insulator meets stringent requirements for high-voltage transmission, featuring a breakdown voltage greater than 120 kV and a mechanical failure load exceeding 70 kN. Its silicone polymeric composite structure, combined with a hydrophobic coating, guarantees exceptional insulation even under harsh weather conditions. Robust design ensures extended operational life.

Engineered for Longevity and Performance

With more than 35 years of service life, the insulator is resistant to UV and environmental degradation. Its surface treatment and single core composite layer offer enhanced hydrophobicity, minimizing current leakage and contamination. Packaging options include individual boxes or palletized shipments for safe handling.

Efficient Installation and Application

Designed for mounting on transmission arms, the insulator requires proper disc hardware and appropriate torque during installation. Clear guidelines help avoid sharp bending, ensuring maximum mechanical and electrical performance across a range of high-voltage transmission applications.

FAQs of 33/36 KV Silicon Polymeric Composite Disc Insulator:

Q: How is the 33/36 KV Silicon Polymeric Composite Disc Insulator installed?

A: The insulator should be mounted on transmission arms using disc hardware, ensuring the recommended torque is applied. Care should be taken to avoid sharp bending of the unit, following the installation guidelines provided by the manufacturer for optimal mechanical and electrical performance.

Q: What benefits does the hydrophobic silicone coating offer?

A: The silicone hydrophobic coating enhances the insulators ability to repel water and contaminants, significantly reducing the risk of leakage currents, flashover, and pollution-induced failures. This treatment maintains consistent performance in challenging environments.

Q: When should this composite disc insulator be used?

A: This insulator is ideal for use in high-voltage transmission lines operating at 33/36 KV, especially where extended service life, UV resistance, and high mechanical strength are required. It is well suited for regions with strong environmental stresses and unpredictable weather.

Q: Where can the disc insulator be applied?

A: The insulator is typically installed on high-voltage transmission network structures such as towers and arms, providing reliable performance in outdoor electrical infrastructure spanning urban, industrial, and remote locations.

Q: What is the process for ensuring optimal insulation resistance?

A: Optimal insulation resistance (above 100 G at 1 kV DC) is achieved through meticulous manufacturing using high-purity silicon polymeric composite material and advanced hydrophobic surface treatment, backed by stringent quality control and regular maintenance after installation.

Q: Can you describe the key usage benefits of this insulator?

A: The product offers long-term electrical insulation, high mechanical strength, lightweight for easier handling, low thermal conductivity, and resistance to UV, heat, and contamination. These qualities minimize system downtime and maintenance, ensuring operational reliability over decades.

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