UL3240 Silicone Rubber Flexible Wire 6-28AWG | 600V High-Temp | -60°C to +200°C

UL3240 Silicone Rubber Flexible Wire 6-28AWG | 600V High-Temp | -60°C to +200°C

Product Overview

UL3240-certified silicone rubber wire delivers extreme temperature resilience and fire safety for critical electrical applications. Engineered with fine-stranded tinned copper and easy-strip insulation, these wires operate at 600V across -60°C to +200°C with superior chemical/flame resistance. Ideal for appliances, lighting, and industrial electronics.


Key Specifications

Feature Specification
Standard UL 3240 & UL 62 VW-1 Flame Retardant
Voltage Rating 600V AC/DC
Temp Range -60°C ~ +200°C
Conductor Tinned Oxygen-Free Copper (OFC)
Insulation High-Purity Silicone Rubber
Color Options Black, Red, White, Blue, Green, Yellow, Brown, Orange, Purple, Gray, Yellow-Green, etc.

Core Advantages

  1. Extreme Environment Performance

    • Retains flexibility from -60°C to +200°C

  2. Chemical Resistance

    • Withstands oils, acids, alkalis, and fungi

  3. Flame Safety

    • UL VW-1 flame retardancy certification

  4. Easy Installation

    • Smooth-stripping insulation (±0.10mm diameter tolerance)

  5. Durability

    • Abrasion/moisture resistant with 200%+ elongation


Applications

  • Appliances: Ovens, heaters, industrial cookers

  • Lighting: High-temp LED fixtures, stage lights

  • Electronics: Power supplies, sensors, transformers

  • Automotive: Engine bay wiring, EV battery systems

  • Medical: Sterilization equipment wiring


Complete Technical Parameters

AWG mm² Stranding Cond. Dia (mm) Insul. Thk (mm) Overall Dia (mm) Max DC Resistance (Ω/km)
28 0.08 16x0.08 0.37 0.42 1.20 254
26 0.15 30x0.08 0.51 0.50 1.50 150
24 0.20 40x0.08 0.58 0.51 1.60 94.2
22 0.30 60x0.08 0.72 0.49 1.70 71.2
20 0.50 100x0.08 0.92 0.44 1.80 36.7
18 0.75 150x0.08 1.28 0.51 2.30 24.8
17 1.01 200x0.08 1.48 0.56 2.60 18.2
16 1.27 252x0.08 1.66 0.67 3.00 15.6
14 2.01 400x0.08 2.10 0.70 3.50 9.02
12 3.42 680x0.08 2.73 0.88 4.50 5.54
10 5.28 1050x0.08 3.85 0.83 5.50 3.53
8 8.29 1650x0.08 4.83 0.84 6.50 2.33
6 16.1 3200x0.08 6.72 0.89 8.50 1.16
4 25.1 5000x0.08 8.40 1.30 11.0 0.734
2 35.2 7000x0.08 11.27 1.37 14.0 0.529
0 50.3 10000x0.08 13.47 1.52 16.5 0.391

Construction Details

Layer Structure:

  1. Conductor:

    • Ultra-fine stranded tinned OFC copper (0.08mm strands)

  2. Insulation:

    • High-temperature silicone rubber

    • Tensile strength: ≥5.0 MPa | Elongation: ≥200%

Critical Properties:

  • Dielectric strength: ≥15 kV/mm

  • Insulation resistance: ≥500 MΩ·km


Compliance & Certifications

  • UL 3240 (US/Canada Safety)

  • RoHS 3 & REACH (EU Compliance)

  • Flame Rating: VW-1 (Vertical Flame Test)

  • Conforms to IEC 60851, GB/T 5013.8


Engineering Guidelines

  1. Current Rating:

    • 18AWG: 10A @ 90°C | 12AWG: 25A @ 90°C (Derate 15% >175°C)

  2. Bending Radius:

    • Minimum 4× cable diameter

  3. Installation Notes:

    • Avoid sharp edges in high-flex applications

    • Compatible with 200°C-rated terminals

  4. Customization:

    • OEM printing | Cut-to-length | Custom bundling