High Voltage Silicone Rubber UL3239 Wire
High Voltage Silicone Rubber UL3239 Wire is a premium wire rated for 200°C and 3000VDC, offering exceptional heat resistance, flexibility, and durability. Made with high-quality silicone rubber and meeting UL758, UL1581, and UL2556 standards, it passes the UL FT2 Horizontal Flame Test for superior safety.
Application
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UL3239 Wire is ideal for industrial ovens, heaters, and other high-temperature machinery, as well as high-voltage electronic equipment, laboratory instruments, automation systems, and robotics. Because it uses flexible silicone rubber insulation and complies with UL758, UL1581, and UL2556 standards, it is also suitable for aerospace, transportation, and professional research environments, providing reliable performance under extreme temperature and high-voltage conditions.
Aerospace
Its high heat resistance and high voltage carrying capacity make it suitable for power and control lines in aerospace equipment, ensuring reliable performance in high-temperature and vibration environments.
Military
In military equipment, it provides stable high-voltage electrical connections. Its high-temperature, abrasion, and fire-resistant properties make it suitable for electronic equipment and communication systems used in battlefields or extreme environments.
Marine
Suitable for high-voltage power systems and control cables on ships. Its high-temperature, moisture-resistant, and flexible properties ensure safety and long-term reliability in marine environments.
Certification
UL3239 Wire is a high-voltage silicone rubber insulated wire that has been certified by UL, meeting the rigorous safety and performance requirements of UL758, UL1581, and UL2556 standards. This certification ensures the wire delivers reliable insulation, stable electrical performance, and superior flame resistance, even under extreme high-temperature and high-voltage conditions. Its fire safety is further assured by passing the UL FT2 horizontal flame test.
UL-certified UL3239 wire provides rapid market access, reduced liability, and consistent product performance, making it a high-performance electrical solution worldwide.
Package
Our Package
Silicone rubber wire can be packaged in rolls upon request
Large quantities of silicone rubber cable are packaged on pallets.
Silicone rubber wire can also be packaged in boxes
Production Line
Dongguan Greater Wire & Cable Co., Ltd is a UL3239 silicone rubber wire manufacturer. With over 30 years of production experience, our company combines advanced manufacturing technology with strict quality control to deliver wires that meet UL758, UL1581, and UL2556 standards. Our UL3239 wire, rated at 200°C and 3000VDC, provides exceptional heat resistance, flexibility, and safety. It is ideal for industrial machinery, automation systems, aerospace, and transportation applications. Committed to serving global markets, Greater Wire supports clients with customized solutions, technical expertise, and reliable delivery, earning a reputation as a trusted partner for high-voltage wiring solutions worldwide.
Technology and Quality
We strictly adhere to international standards and maintain comprehensive control from raw material inspection to finished product testing.
Global Supply and Service
We export our products to over 80 countries worldwide and are familiar with local certification and import and export procedures.
50,000M²
Factory
Area
30+Years
Production
Experience
50+Servings
Product
Certifications
80+Countries
Export
Experience
Customer
Our customers come from all over the world, including North America, Europe, Southeast Asia, and the Middle East. We have extensive experience serving diverse market and project needs. Over the years, we have successfully supplied wire and cable for industrial automation systems in Germany, large-scale solar power plants in the United States, electrical equipment for high-rise buildings in the UAE, and railway infrastructure projects in Southeast Asia. This global project experience enables us to fully understand the different international standards and provide customized cable solutions to meet the specific technical and regulatory requirements of each market.
User Evaluation
Mark Thompson
Australia
Marja Lehtinen
Finland
Benjamin Tan
Singapore
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| Conductor | Insulation | Maximum Resistance at 20°C | |||
| AWG | Construction | Diamater | |||
| No/mm | mm | Thickness mm |
Diamater (mm) |
Ω/km | |
| 24 | 11/0.16 | 0.61 | 0.76 | 2.20 | 94.20 |
| 22 | 17/0.16 | 0.76 | 0.76 | 2.35 | 59.40 |
| 20 | 26/0.16 | 0.94 | 0.76 | 2.55 | 36.70 |
| 18 | 41/0.16 | 1.18 | 0.76 | 2.80 | 23.20 |
| 16 | 26/0.254 | 1.49 | 0.76 | 3.10 | 14.60 |
| 14 | 41/0.254 | 1.87 | 0.76 | 3.50 | 8.96 |
