Product Description

UL3641 Silicone Rubber Cable is a high-voltage, high-temperature resistant hook-up wire engineered for demanding electrical and industrial environments. Designed with flexible stranded copper conductors and premium silicone rubber insulation, this cable delivers outstanding thermal stability, dielectric strength, and long-term reliability.

With a rated voltage of up to 3300V AC and temperature range of -60°C to +180°C, UL3641 is ideal for applications where both electrical insulation integrity and mechanical flexibility are critical. The cable complies with UL758 and UL1581 standards and meets RoHS environmental requirements, ensuring global market acceptance.

Its flame-retardant performance (FT2) and halogen-free structure further enhance safety, making it suitable for use in high-temperature appliances, industrial systems, and power equipment.

Product Construction

• Conductor: Flexible stranded copper conductor (Class 5)

• Conductor Options: Tinned copper / bare copper

• Insulation: Silicone rubber (SR insulation)

• Core Type: Single core

• AWG Range: Typically 16 AWG to 600 kcmil

• Color: Customizable

Technical Data

• Rated Temperature: 150°C / 180°C

• Rated Voltage: 3300V AC

• Temperature Range: -60°C to +180°C

• Standards: UL758, UL1581

• Flame Test: UL FT2 (self-extinguishing)

• Environmental Compliance: RoHS

• Test Voltage: Up to 7000V (typical)

Key Features (5–8 Short Selling Points, including conductor structure)

1. Flexible stranded copper conductor (Class 5) for superior bending performance

2. High voltage resistance up to 3300V AC

3. Excellent heat resistance up to 180°C

4. Silicone insulation ensures long service life in harsh environments

5. Flame-retardant and self-extinguishing (FT2 compliant)

6. Wide temperature range from -60°C to +180°C

7. Easy stripping due to uniform insulation thickness

8. Available in tinned or bare copper conductor structures

Applications

UL3641 silicone rubber cable is widely used in high-temperature and high-voltage environments, including:

• Internal wiring of household appliances (ovens, heaters, dryers)

• Industrial equipment and automation systems

• Motors and generators

• Electrical control cabinets and switchgear

• Steel, glass, and ceramic manufacturing plants

• Energy storage systems (BESS) and power electronics

• Electric vehicles (EV) and aerospace equipment

• AI data centers and high-performance electronics