UL3321 Irradiation Cross-linked Polyethylene (XLPE) Wire – BYC Cables

Product Overview

Feature Specification
Standard UL 3321
Insulation Material Irradiated XLPE (Cross-linked Polyethylene)
Rated Voltage 600V Alternating Current (AC) / 750V Direct Current (DC)
Temperature Range -60°C to +150°C (-76°F to +302°F)
Conductor Type Tinned Copper Stranding
Available Colors White, Blue, Red, Black, Brown, Yellow, Green, Yellow/Green
Key Characteristics Superior thermal stability (up to +150°C / +302°F), non-melting properties, excellent chemical resistance, and high dielectric strength.
Applications Internal wiring for high-temperature electrical equipment, industrial heating appliances, and heavy-duty motor leads.

Technical Parameter Table

American Wire Gauge (AWG) Conductor Construction (Number x Diameter in mm) Conductor Diameter (mm) Insulation Thickness (mm) Finished Outside Diameter (mm) Maximum Conductor Resistance at 20°C (68°F) (Ohm/km)
30 7 x 0.10 0.30 0.76 1.83 381
28 7 x 0.12 0.36 0.76 1.89 239
26 7 x 0.16 0.48 0.76 2.01 150
24 11 x 0.16 0.61 0.76 2.13 94.2
22 17 x 0.16 0.76 0.76 2.28 59.4
20 26 x 0.16 0.93 0.76 2.55 36.7
18 16 x 0.254 1.17 0.76 2.70 23.2
16 26 x 0.254 1.50 0.76 3.10 14.6
14 41 x 0.254 1.90 0.76 3.42 8.96
12 65 x 0.254 2.37 0.76 3.90 5.64
10 105 x 0.254 3.01 0.76 5.00 3.55

Professional Performance Advantages

  • Advanced Irradiation Cross-linking: The XLPE insulation undergoes high-energy electron beam irradiation, which transforms the linear molecular structure into a robust three-dimensional network. This ensures the wire remains physically stable and will not melt or drip even when exposed to temperatures reaching +150°C (+302°F) or during temporary electrical overloads.
  • Superior Mechanical Integrity: Compared to standard plastic-insulated wires, Irradiated XLPE offers significantly higher resistance to mechanical stresses such as cut-through, abrasion, and crushing. This makes it ideal for complex installations in rugged industrial environments.
  • Universal Chemical Resistance: The insulation material is chemically inert and provides exceptional protection against a wide range of common industrial contaminants, including acids, alkalis, oils, and organic solvents.
  • Enhanced Thermal Range: Designed to maintain consistent electrical performance and flexibility across a wide thermal spectrum, from sub-zero cryogenic conditions at -60°C (-76°F) to high-heat operational environments.
  • Tinned Copper Conductor Reliability: Utilizing high-purity tinned copper strands ensures excellent electrical conductivity while providing a critical protective barrier against oxidation and environmental corrosion, maintaining reliable connectivity over a long service life.
  • Flame Retardancy: Complies with rigorous vertical and horizontal flame tests, ensuring maximum safety for internal electronic and power circuitry.

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