High Voltage Bare Conductor Insulation Sleeve PE Overhead Line Cover

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Product Description

📌 Basic Information
Model NO.
PE OLC
Usage
Electric Wire, Electrical Winding Insulation
Material
PE (Polyolefin)
Breakdown Strength
20 Kv/mm
Tensile Strength
12MPa
Elongation at Break
400%
Application
for High Voltage Bare Cables or Conductors
Volume Resistivity
1X10 13 Ω Cm
Temperature Range
-50ºC to +125ºC
Production Capacity
50000 M/Month
📝 Product Description

Made of radiation crosslinked polyolefin material, this overhead line cover features excellent electrical and tracking resistance, superior weather durability, and high mechanical properties. It is designed to perform reliably under extreme conditions ranging from -50ºC to +125ºC for continuous use. The installation process is engineered to be convenient and simple, significantly reducing labor and maintenance time.

  • High strength and exceptional wear resistance
  • Long service life with anti-aging and corrosion resistance
  • Simple installation: no fire required, minimizing power outage time
📷 Detailed Product Showcase
Bare Conductor Insulation Sleeve
PE Overhead Line Cover
High Voltage Sleeve Detail
Insulation Component
Overhead Line Protection
📊 Technical Characteristics
Item Test Method 10kV Performance 35kV Performance
Tensile Strength GB1040 ≥12MPa
Elongation at Break GB1040 ≥400%
Breakdown Strength GB1408 ≥20kV/mm ≥25kV/mm
Volume Resistivity GB1410 ≥1×1013Ω·cm
Copper Corrosion ASTMD 2671 No Corrosion (120ºC, 168hrs)
Low Temp Flexibility ASTMD 2671 No Cracks (-40ºC, 4hrs)
📏 Standard Dimensions
Size Voltage (KV) Conductor Section (mm2) Max Conductor O.D.(mm) Groove Sealant
Ф14≤10KV≤70 mm214mmNo sealant
Ф18≤10KV≤150 mm218mmNo sealant
Ф28≤10KV185-240 mm228mmNo sealant
Ф14≥35KV≤70 mm214mmWith sealant
Ф18≥35KV≤150 mm218mmWith sealant
Ф28≥35KV185-240 mm228mmWith sealant

* Special sizes are available for customization upon request.

🏢 Production & Quality Assurance

Our facility focuses on the R&D and production of advanced insulation and sealing solutions for over 17 years. With a modern management system including IATF16949 and ISO9001 certifications, we have developed 88 patents and 97 product certifications, serving clients in over 88 countries.

Production Facility
Product Certifications
📦 Packaging & Logistics
Packaging Detail
Shipping Logistics
Export Package
Trade TermsFOB, EXW, CIF, DDU, DDP, CFR
MOQ1 Unit
Lead TimeUsually 2-3 working days
ShipmentExpress, Air, Sea
PackagingPlastic bag, Carton & Pallet (Customizable)
🔗 Related Solutions
Silicone Rubber Cover
UV Resistance Sleeve
Repair Tape
❓ Frequently Asked Questions
What material is the PE OLC made of?
It is made of radiation crosslinked polyolefin material, providing excellent electrical and tracking resistance.
Does this cover require heat or fire for installation?
No, the installation is simple and does not require fire, which significantly shortens power outage construction time.
What is the operating temperature range?
It can be used continuously under temperatures ranging from -50ºC to +125ºC.
Can the size be customized?
Yes, while we have standard sizes (Ф14 to Ф38), special dimensions can be customized to meet specific project requirements.
What is the difference between the 10kV and 35kV versions?
The 35kV version features higher breakdown strength (≥25kV/mm) and includes sealant in the locking groove for enhanced protection.
Is the material resistant to corrosion?
Yes, it has passed ASTMD 2671 copper corrosion tests showing no corrosion after 168 hours at 120ºC.

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