Overhead Line Insulation Sleeve (OLIS) provides retrofit insulation for overhead conductors to help prevent electrical outages caused by trees or wildlife coming into the contact with distribution lines. It is manufactured from high quality Non Tracking Cross linked Polyolefin material. Easy & quick installation widely used in the electrification railway and naked –wire in substation for insulating protection. These cover are designed to insulate existing bare lines without costly conductor replacement expenditure or additional line hardware.
Technical Data
| Sr. No. | Properties | Value | Standard |
|---|---|---|---|
| Physical | |||
| 1 | Tensile Strength | 11 N/mm² (MPA)(min.) | ASTM D 412-06a |
| 2 | Ultimate Elongation | 375% (Min.) | ASTM D 412-06a |
| 3 | Hardness | 80 ± 10 Shore A | ASTM D2240 |
| 4 | Water Absorption | 0.5 % (max.) | ASTM D570 |
| Thermal | |||
| 5 | Thermal Impact | 120°C ± 2°C / 4Hrs | No Cracking/Flowing |
| 6 | Low Temperature Flexibility | -40°C / 4Hrs | No Cracking/Flowing |
| Electrical | |||
| 7 | Dielectric Strength | 23 KV/mm. (Min.) | ASTM D149 |
| 8 | Breakdown Voltage (kV) | 45 KV (Min.) | ASTM D149 |
| 9 | Volume Resistivity | ˃1 x 1014 Ohm.cm | ASTM D257 |
| 10 | Dielectric Constant | 5 (Max.) | ASTM D150 |
Overhead Line Covers for Electrical Safety and Insulation
Overhead Line Covers are designed to provide insulation and protection for overhead conductors used in electrical power distribution systems. They help improve safety, reduce accidental contact risks and support reliable operation of utility networks.
Protection for Overhead Power Distribution Lines
Overhead Line Covers are widely used on distribution lines, utility networks, substations and electrical infrastructure where additional insulation and conductor protection are required. They help minimize service interruptions caused by external contact and environmental factors.
Improved Reliability and Reduced Electrical Hazards
By covering exposed conductors, Overhead Line Covers help reduce the risk of accidental contact from trees, wildlife, vegetation and maintenance activities while supporting improved system reliability and operational safety.
Suitable for Utility and Infrastructure Applications
Overhead Line Covers are manufactured using durable insulating materials capable of performing under demanding outdoor environmental conditions including heat, moisture, UV exposure and pollution.
Applications Across Power Utilities Worldwide
Overhead Line Covers are used by electricity distribution companies, transmission utilities, renewable energy projects, industrial facilities, EPC contractors and infrastructure developers throughout India and international export markets.
Why Choose Amar Industries Overhead Line Covers
Amar Industries provides dependable product quality, technical expertise, customized solutions and reliable supply of electrical insulation products for critical power distribution applications worldwide.
Frequently Asked Questions - Overhead Line Covers
What is an Overhead Line Cover used for?
An Overhead Line Cover is used to provide insulation and protection for overhead conductors in electrical power distribution systems.
Why are Overhead Line Covers important?
Overhead Line Covers help improve electrical safety, reduce accidental contact risks and support reliable operation of overhead power networks.
Where are Overhead Line Covers commonly installed?
Overhead Line Covers are commonly installed on utility distribution lines, overhead conductors, substations and power infrastructure projects.
Do Overhead Line Covers help prevent power interruptions?
Yes, Overhead Line Covers can help reduce power interruptions caused by vegetation contact, wildlife interaction and external environmental factors.
Can Overhead Line Covers be used in outdoor environments?
Yes, Overhead Line Covers are specifically designed for outdoor applications and exposure to varying environmental conditions.
Which industries use Overhead Line Covers?
Overhead Line Covers are widely used by power utilities, electricity distribution companies, renewable energy projects, infrastructure developers and industrial facilities.
Does Amar Industries export Overhead Line Covers internationally?
Yes, Amar Industries supplies Overhead Line Covers to customers throughout India and multiple international export markets worldwide.
Can Amar Industries provide customized Overhead Line Covers?
Yes, Amar Industries can provide customized Overhead Line Covers based on conductor sizes, technical specifications and application requirements.