LCIE Insulated Copper Flexible Wire

For demanding electrical applications that require superior flexibility and robust protection, the LCIE Insulated Copper Flexible Wire stands as a premier solution. Engineered for durability and exceptional performance in challenging environments, this wire is the go-to choice for professionals across industries. Its core strength lies in the use of high-purity, finely stranded copper conductors, which provide excellent conductivity and unparalleled flexibility, making installations in tight spaces or with frequent movement effortless. The specialized insulation is a key differentiator, offering outstanding resistance to abrasion, oils, chemicals, moisture, and a wide range of temperatures. This makes it an ideal successor or companion to products like our LCIE Rubber Insulated Copper Wire, sharing a commitment to resilient insulation. When your project demands a cable that can bend without breaking performance, our LCIE Flexible Copper Core Cable variants deliver precisely that. For scenarios requiring an extra layer of mechanical defense, the construction principles found in our LCIE Rubber Sheathed Flexible Wire ensure long-lasting integrity. Ultimately, the reliability of any system depends on its conductors, and the LCIE Copper Conductor Rubber Cable family, including this flexible wire, guarantees consistent and safe power transmission.


The LCIE Insulated Copper Flexible Wire is meticulously designed with precise specifications to meet rigorous international standards. Below is a detailed breakdown of its construction and technical parameters, presented for engineering and procurement clarity.

Core Construction & Conductivity

  • Conductor: High-purity electrolytic copper (99.9% min).
  • Stranding: Extra-fine, bunch-stranded for maximum flexibility.
  • Conductor Class: Typically Class 5 or 6 per IEC 60228, ensuring optimal pliability.
  • Tin Coating: Available option for enhanced solderability and oxidation resistance.

Insulation & Sheathing

  • Insulation Material: High-grade rubber compound (e.g., EPR, SBR, or CSP) based on application.
  • Primary Properties: Excellent elasticity, heat resistance, and resistance to ozone, chemicals, and weathering.
  • Sheath (if applicable): Additional rugged rubber or synthetic sheath for extra mechanical and environmental protection.
  • Color Coding: Standard and custom color options available for easy circuit identification.

Technical Specifications & Ratings

Parameter Specification / Value Standard Reference
Voltage Rating 300/500V, 450/750V IEC 60245
Temperature Range -40°C to +90°C (Flexing: -20°C to +70°C) IEC 60245
Conductor Size Range 0.5 mm² to 95 mm² (AWG 20 to AWG 3/0) IEC 60228
Insulation Thickness As per specified voltage grade in IEC 60245 IEC 60245
Flame Retardancy Complies with IEC 60332-1 IEC 60332
Resistance to Oils & Chemicals Tested per IEC 60811-2-1 IEC 60811

Key Performance Features

  • Extreme Flexibility: Can withstand continuous flexing and vibration without conductor fatigue.
  • Durability: High resistance to cutting, tearing, abrasion, and impact.
  • Environmental Stability: Performs reliably in moist, oily, or chemically exposed areas.
  • Safety: Good flame-retardant properties and stable electrical characteristics under load.

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