600V 4/6/8 AWG Flexible Silicone Wire | High-Temp Single Conductor | UL758 & VW-1

600V 4/6/8 AWG Flexible Silicone Wire | High-Temp Single Conductor | UL758 & VW-1

Product Overview

600V Flexible Single Silicone Rubber Wire (4/6/8 AWG) delivers exceptional thermal stability for high-current applications in extreme environments. Engineered with ultra-fine tinned copper strands and high-purity silicone insulation, this wire maintains flexibility and electrical integrity from -60°C to +200°C. Ideal for power distribution in EVs, industrial machinery, and high-heat equipment requiring reliable 600V-rated conductors.


Key Features

  • Voltage Rating: 600V AC/DC

  • Temperature Range: -60°C to +200°C (continuous)

  • Conductor: Oxygen-free tinned copper (IEC 60228 Class 6)

  • Flame Resistance: VW-1 & FT1 certified (optional)

  • Chemical Resistance: Oil/solvent/ozone proof

  • Flexibility: 3× better bend radius vs. standard THHN wire


Cable Structure & Materials

Layer Material/Construction Function & Properties
Conductor Tinned copper strands 4AWG: 5,000×0.08mm
6AWG: 3,200×0.08mm
8AWG: 1,650×0.08mm
Insulation Silicone rubber Maintains elasticity at 200°C, UV/ozone resistant
Color Coding Standard: Red/Black
Custom: 8+ colors
Visual circuit identification

Technical Parameters (Per UL758 & GB/T3956)

AWG mm² Stranding Insul. Thick OD Resistance (Ω/km) Ampacity (90°C)*
4 25.13 5,000×0.08mm 1.30mm 11.0mm 0.734 140A
6 16.08 3,200×0.08mm 0.89mm 8.5mm 1.16 95A
8 8.29 1,650×0.08mm 0.84mm 6.5mm 2.33 55A

*Ampacity based on 90°C conductor temp (NEC Table 310.16)


Material Advantages

  • Ultra-Fine Stranding (Class 6):

    • 8AWG: 1,650 strands | 6AWG: 3,200 strands | 4AWG: 5,000 strands

    • Eliminates fatigue failure in dynamic applications

  • Silicone Insulation:

    • Retains 85% flexibility at 200°C vs. room temperature

    • Withstands 20kV dielectric strength (per Q/IRMV2-2008)

  • Tinned Copper:

    • Prevents oxidation at high temps

    • Solderability for secure terminations


Application Scenarios

  • Electric Vehicle Systems:

    • Battery interconnects, charging inlets, motor leads (4AWG/6AWG)

  • Industrial Power Distribution:

    • Furnace wiring, heater circuits, welding equipment (8AWG)

  • Renewable Energy:

    • Solar combiner boxes, wind turbine generators

  • High-Heat Machinery:

    • Plastic extruders, food processing ovens, foundry equipment

  • Critical Infrastructure:

    • Backup generators, UPS systems, power transfer switches


Compliance & Standards

  • Safety: UL758 (Appliance Wiring Material)

  • Flame Tests: VW-1 (vertical flame), FT1 (vertical tray)

  • Conductor: GB/T3956 Class 6, IEC 60228 Class 6

  • Environmental: RoHS 3, REACH SVHC-free


Ordering Information

Base Model: 600V Single Silicone Wire
Options:

  • Sizes: 4AWG (25mm²), 6AWG (16mm²), 8AWG (8.3mm²)

  • Colors: Red, Black (std); Brown, Blue, Gray, White, Yellow, Green (custom)

  • Certification: VW-1/FT1 flame retardant (optional)

Packaging: 100m/500m reels, moisture-proof vacuum sealing

Engineering Tip: For continuous 200°C operation, derate current by 25% and ensure free airflow around cables. Use ferrules for termination to prevent strand breakage.