Insulation Piercing Clamp

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Insulation Piercing Clamp
Details
• Insulation piercing clamp is designed for high-load overhead distribution lines, delivering highly reliable current-carrying connections and ensuring long-term stable operation.
• Suitable for main conductors 120–240 mm² and branch conductors 25–120 mm², accommodating multiple cable sizes with a nominal current of 299 A. The single-bolt structure enables fast piercing, allowing secure connection without stripping the insulation.
• The flame-retardant housing resists moisture, aging, and mechanical impact, maintaining stable conduction and insulation even under extreme climates. Widely applied in urban grids, industrial power supply, and distributed energy projects.
Category
LV Piercing Cable Connectors
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Description

Technical Specifications

 

Item

Parameter

Model

JKT31

Main Conductor

120–240 mm²

Branch Conductor

25–120 mm²

Voltage Rating

≤ 1 KV

Nominal Current

299 A

Number of Bolts

1

Material

Copper blades, flame-retardant housing

Process

Injection molding

Operating Temperature

–40 °C ~ +120 °C

Service Life

≥ 25 years

 

Conduction Philosophy

 

  • "Conduction" is not just about connection; it is a precise process of energy transfer.
  • This clamp uses a partitioned conductor pressing structure, forming a stable current flow in both main and branch lines, reducing arcs and contact resistance. Through insulation piercing clamp technology, precise piercing and stable conduction are achieved, ensuring long-term high-current performance.
  • Copper blade angles are precisely controlled, forming a stable contact surface after piercing, avoiding loosening or oxidation over time.
  • Internal pathways are optimized for short conduction paths and low impedance, enhancing overall line stability and efficiency.

 

Energy Flow Channel

 

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  • Internal conductive paths are streamlined for smooth, evenly distributed current flow.
  • Uniform copper slot thickness balances the electric field, preventing localized heating.
  • The housing features a dual-rib support frame, enhancing insulation protection while keeping the structure lightweight.
  • Optimized conductor arrangement and insulation layout ensure reliable operation under high load conditions.

 

Conduction and Protection Mechanism

 

  • Adaptive pressure distribution adjusts piercing depth according to conductor diameter.
  • Sealed contact interfaces effectively block moisture and oxide ingress.
  • Even under continuous current, contact resistance remains minimal, ensuring efficient conduction and system safety.

 

Smart Installation Experience

  • Single-bolt fastening allows more efficient installation.
  • Conductors can be connected without stripping, suitable for manual or powered tools. The insulation piercing clamp design balances installation convenience with long-term reliability.
  • Anti-slip nuts control torque to prevent over-tightening and structural stress.
  • Clear markings and guide slots further enhance installation accuracy and efficiency.

 

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Multi-Environment Grid Compatibility

 

  • Verified through salt spray, UV, freeze, and humidity tests, reliably deployed in coastal, desert, and cold regions.
  • Flame-retardant housing prevents arc propagation, ensuring continuous supply in harsh climates.
  • Multi-environment validation ensures the insulation piercing clamp performs efficiently under diverse climatic and geographic conditions.

 

Weather-Resistant Composite Structure

 

  • Housing is made of high-molecular flame-retardant material with integrated reinforcement ribs, offering excellent UV and impact resistance.
  • Copper blades are anti-oxidation coated to resist atmospheric corrosion.
  • Injection molding seals the assembly, preventing water ingress and loosening.
  • Reinforced design balances lightweight structure with mechanical robustness, suitable for complex layouts.

 

Insulation Defense System

 

  • Thickened insulation effectively isolates external voltage fluctuations.
  • Piercing area forms a self-healing waterproof layer, preventing moisture and dust ingress.
  • Maintains excellent insulation resistance even in high-salinity, high-humidity environments, enhancing overall system reliability.

 

Extreme Condition Verification

 

  • Passed 1000-hour high-low temperature cycling and high-pressure salt spray durability tests.
  • Contact resistance variation under ±120 °C is below 1.2%.
  • Impact tests confirm housing integrity with no cracks, maintaining mechanical strength.
  • Extreme testing ensures stable and safe operation across complex grids and climates.
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Conduction Interface Evolution

 

  • New-generation embedded copper positioning technology enables more precise piercing depth.
  • Micro-tooth structures optimize contact area, ensuring uniform conduction.
  • Represents a further advancement in low-voltage cable connection technology, balancing operational safety and installation efficiency.

 

Manufacturing Consistency Control

 

  • Production lines feature real-time inspection systems for injection pressure and embedding accuracy.
  • Each batch undergoes resistance, torque, and insulation testing to ensure consistent quality.
  • Global standardized production guarantees stable supply.
  • Strict process control ensures each insulation piercing clamp meets consistent performance standards.

 

Material Recycling and Sustainability

 

  • Key materials are recyclable, compliant with RoHS and REACH standards.
  • Flame-retardant polymers are halogen-free and non-toxic when burned.
  • Production waste is recycled, reducing carbon footprint and supporting sustainable development.

 

Operation and Maintenance Efficiency

 

  • Long-life structure reduces replacement and maintenance costs.
  • Low-energy conduction features improve system efficiency.
  • Supports unmanned or remote monitoring, minimizing manual intervention.

 

Field Performance

 

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  • Demonstrated outstanding performance in multiple municipal and renewable projects, enhancing construction quality and efficiency.
  • Installation efficiency is approximately 30% higher than traditional clamps, reducing construction risk.
  • Long-term operation shows no thermal degradation, loosening, or corrosion, ensuring system stability.

 

Smart Inquiry and Response System

 

  • Supports online project parameter submission for customized solutions.
  • Technical team provides real-time guidance on line selection and installation. Applicable to insulation piercing clamp projects, ensuring rapid and efficient deployment.
  • Feedback completed within 24 hours, enabling fast project advancement.
  • Email: boogie@jkte888.com
  • Tel: +86-189-2579-5886
  • Online Contact: [Submit Inquiry]

 

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