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Over Head Line cover

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MOQ : 1 Unit

Over Head Line cover Specification

Thermal Conductivity
Low, provides thermal insulation

Usage
Power transmission line protection

Operating Temperature
-10C to +50C

Interface
Clip-on/wrap-around design

Components
High-quality flexible PVC polymer

Features
UV resistant, Weatherproof, Flexible, Flame retardant, Easy installation

IP Rating
IP2X (when installed)

Product Type
Overhead Line Cover

Application
Overhead Line

Rated Voltage
11 kV

Supply Voltage
Up to 11 kV

Size
Suitable for conductor sizes 10 mm2 to 150 mm2

Dimension (L*W*H)
Wrapper-style, typical width ~70 mm, length 1 meter; customized sizes available

Function
Provides insulation for overhead power lines to prevent accidental contact and enhance electrical safety.

Color
Orange

Weight
Approx. 2 kg per meter

Current Rating
Up to 100 A

Thickness
3 mm

Capacity
Single line conductor protection

Frequency
50 Hz

Installation Method
Manual with safety equipment; clips or ties as required

Flammability Class
V-0 (Self-extinguishing)

Maintenance
Requires periodic inspection for mechanical integrity

Shelf Life
Up to 5 years under recommended storage conditions

Surface Finish
Smooth, Non-conductive

Material
High-grade PVC / Polymeric insulation

Length per Piece
1 meter; available on request

Dielectric Strength
>18 kV/mm

Standards Compliance
IS/IEC 60695 and relevant IS 13505:1992

Over Head Line cover Trade Information

Minimum Order Quantity
1 Unit

Delivery Time
10 Days

About Over Head Line cover

Self-locking Type Silicone Overhead Line Cover is a highly durable protective lining which helps in the prevention of damages to electrical conductors within overhead power line from harsh weather conditions. This flexible sheath is fabricated by using silicone-based synthetic materials that offer high elastic strength and abrasion resistance. It comes in various sizes as per order placed by our customers. Self-locking Type Silicone Overhead Line Cover can also be used in industrial grade electrical systems to cover live wires. Customers can get this electrical insulator as per their requirements with an assurance of fast and safe delivery at a low price

Selection Chart

Product Code	Application Range (mm)	L (Mtr.)	Colour
EPPC-40	Upto 32	25.0	Red
EPPC-100	Upto 80	20.0	Red
EPPC-120	Upto 95	15.0	Red

Technical Properties

Test Description	Typical Value	Test Method
Tensile strength	10 N/mm2 (min)	ASTM D638
Elongation	350% (Min.)	ASTM D638
Density	1.2	ASTM D792
Hardness	30 +/-5 Shored D	ASTM D2240
Water Absorption	0.5% (Max.)	ASTM D570
Low Temp. Flexibility (-20 C for 4 Hrs.)	No Cracking	ASTM D2671
Accelerated Ageing	150 C for 168 Hrs.	ASTM D2671
Tensile strength	7 N/mm2 (min)	ASTM D2671
Elongation	250% (Min.)	ASTM D2671
Continuous Operating Temp.	-20 C to 105 C	IEC 216
Volume resistance	1x10 (13) Volume Resistance 1x10 Ohm.cm (Min.)	ASTM D149
Di-electric Strength	130 kV/cm (Min.)	ASTM D2303
Tracking and Erosion Resistance	No Tracking or Erosion to top surface or flame failure after 1 Hr. at 2.5 kV, 1 Hr. at 2.75 kV 1 Hr. at 3.0 kV, 20 min. at 3.25 kV	ASTM D4325

Engineered for Reliable Safety

Our Over Head Line Cover is specifically developed to provide robust insulation for overhead power lines, reducing the risk of accidental contact. The high dielectric strength of over 18 kV/mm and V-0 flammability rating add extra assurance of electrical and fire safety, making these covers a critical component in both urban and rural power transmission systems.

Versatile Installation and Maintenance

With a manual installation process, our covers can be easily fitted or removed using standard safety gear and accessories like clips or ties. They are suitable for both permanent and temporary line protection assignments. Regular inspections are recommended to maintain optimal mechanical integrity and ensure long service life of up to five years under proper storage conditions.

FAQ's of Over Head Line cover:

Q: How does the Over Head Line Cover help enhance electrical safety?

A: The cover provides insulation to overhead power lines, preventing inadvertent contact and reducing the risk of electrical accidents. Its smooth, non-conductive, and flame-retardant surface ensures a safer environment for workers and the public.

Q: What materials are used in the Over Head Line Cover and how do they improve performance?

A: The product is made from high-grade PVC with polymeric insulation, ensuring high dielectric strength, excellent weather resistance, and a self-extinguishing flame rating. These qualities combine to offer robust protection against electrical faults and environmental conditions.

Q: What is the installation process for this cover?

A: Installation is carried out manually using appropriate safety equipment. The flexible cover can be clipped on or wrapped around line conductors, with clips or ties as needed. It is designed to ensure ease of fitting and removal, making maintenance straightforward.

Q: When should Over Head Line Covers be inspected or maintained?

A: To maintain their effectiveness, periodic inspections for mechanical integrity and signs of wear are recommended. Checking regularly ensures prompt replacement or repair if needed, optimizing electrical safety on power lines.

Q: Where can these covers be used and for which voltage ranges are they suitable?

A: They are ideal for use on electrical distribution lines with voltages up to 11 kV, and compatible with conductor sizes between 10 mm2 and 150 mm2. Typical applications include power transmission lines in utility and industrial settings across India.

Q: What are the primary benefits of using this product for power transmission lines?

A: Key advantages include enhanced personnel safety, protection against accidental contact, high weather and UV resistance, thermal insulation, compliance with IS/IEC safety standards, easy installation, and a long operational shelf life.

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