UL3122 cable is a high-performance silicone-insulated wire certified by Underwriters Laboratories (UL), designed for demanding applications requiring exceptional heat resistance, flexibility, and durability. Classified under UL's Appliance Wiring Material (AWM) standards, it is engineered with a focus on withstanding extreme temperatures, harsh chemicals, and mechanical stress. This cable is widely used in industries where reliable performance in high-heat environments is critical, such as aerospace, industrial manufacturing, and automotive sectors.
Conductor: Stranded tinned copper (for corrosion resistance) with sizes ranging from 28 AWG to 10 AWG, balancing flexibility and current-carrying capacity.
Insulation layer: High-temperature silicone rubber-a synthetic elastomer offering excellent thermal stability, flexibility, and oxidation resistance.
Inner layer: Stranded tinned copper
Outer layer: High-temperature silicone rubber
Products Advantages
- Extreme Temperature Tolerance: Silicone rubber insulation enables reliable operation from -60°C to +200°C, making it suitable for both freezing conditions and proximity to heat sources like engines, furnaces, or heating elements.
- Superior Flexibility: Stranded conductors and flexible silicone insulation allow easy routing in tight spaces, such as inside machinery, robotic arms, or complex electronic enclosures.
- Flame Safety: UL VW-1 certification ensures the cable resists ignition and self-extinguishes quickly, reducing fire risks in enclosed or high-risk areas.
- Chemical and Environmental Resistance: Withstands exposure to oils, fuels, solvents, and ozone, maintaining integrity in automotive engine bays, industrial workshops, and chemical processing facilities.
- Durability: Tinned copper conductors prevent corrosion, while silicone insulation resists aging, cracking, and degradation from UV exposure, ensuring a long service life.
- Easy Installation: Thin, uniform insulation simplifies stripping and termination, reducing installation time and errors in manufacturing or repair processes.

Products Applications
UL 3122 cables are designed for high-heat, high-flexibility environments across various industries:
- Automotive: Wiring for engine sensors, exhaust systems, and battery management systems in vehicles, where resistance to engine heat and automotive fluids is critical.
- Industrial Manufacturing: Internal wiring in ovens, furnaces, welding equipment, and high-temperature machinery, withstanding continuous exposure to heat and industrial chemicals.
- Aerospace and Aviation: Secondary wiring in aircraft cabins, engine compartments, and avionics, meeting strict flame safety and temperature requirements.
- Consumer Appliances: Wiring in high-temperature appliances such as toasters, ovens, and hair dryers, where heat resistance and flexibility are essential.
- Renewable Energy: Connecting components in solar inverters and wind turbine generators, enduring outdoor temperature fluctuations and environmental stress.
- Medical Equipment: Wiring in sterilization equipment and diagnostic tools that operate at elevated temperatures, ensuring reliability and safety.



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