The Silicone Rubber Insulated Wire (SR Series) is designed for electrical connections that require high flexibility, excellent heat resistance, and stable performance in harsh environments. The conductor is made of high-purity stranded copper wire, insulated with premium silicone rubber that maintains flexibility and dielectric strength under extreme temperatures. This wire is suitable for fixed or mobile electrical connections in power, automation, household appliances, lighting, and high-temperature equipment.
Excellent flexibility and bending performance
Continuous operation at temperatures from -60°C to +180°C
Superior insulation resistance and dielectric strength
Flame retardant, aging-resistant, and ozone-resistant
Excellent resistance to cold, humidity, oil, and chemicals
Stable performance under vibration and high temperature
Complies with IEC 60245, GB/T 5013, and UL 3135 standards
Construction
|
Component |
Material / Description |
|
Conductor |
Stranded tinned copper wire (Class 5 flexibility) |
|
Insulation |
Silicone rubber compound |
|
Rated Voltage |
300/500V or 600/1000V |
|
Operating Temperature |
-60°C to +180°C |
|
Test Voltage |
2000V/5min |
|
Color |
Red, Blue, Black, White, Yellow/Green, or customized |
|
Standard |
IEC 60245 / GB/T 5013 / UL 3135 |
Technical Data
|
Cross Section (mm²) |
Conductor Structure (No./mm) |
Outer Diameter (mm) |
Max. Resistance (Ω/km, 20°C) |
|
0.5 |
16 / 0.20 |
2.4 |
39.0 |
|
0.75 |
24 / 0.20 |
2.6 |
26.0 |
|
1.0 |
32 / 0.20 |
2.8 |
19.5 |
|
1.5 |
30 / 0.25 |
3.2 |
13.3 |
|
2.5 |
50 / 0.25 |
3.8 |
7.98 |
|
4.0 |
56 / 0.30 |
4.4 |
4.95 |
|
6.0 |
84 / 0.30 |
5.1 |
3.30 |
|
10 |
80 / 0.40 |
6.7 |
1.91 |
Applications
- Internal wiring for high-temperature electrical devices
- Household appliances such as ovens, heaters, and electric irons
- Lighting equipment and industrial automation systems
- Electric motors, transformers, and control cabinets
- Aerospace, chemical, and metallurgical equipment
- Power transmission in environments with heat or vibration
Advantages
High temperature and cold resistance
Excellent mechanical strength and flexibility
Stable electrical properties over a wide temperature range
Long service life and flame-retardant insulation
Environmental and safety compliance (RoHS, REACH)
Ordering Information
When ordering, please specify:
1. Wire Type (e.g. SR)
2. Conductor Cross-Section (mm²)
3. Color
4. Voltage Rating
5. Any special requirements (e.g. double insulation, tinned copper, flame retardant, etc.)
Example: SR 1.5mm² – 300/500V – Red – High Temperature
FAQ
Q: What is Silicone Rubber Wire?
A: A wire with silicone rubber insulation, offering excellent flexibility, heat resistance, and electrical insulation.
Q: Where is it commonly used?
A: Used in high-temperature environments, industrial machinery, control panels, robotics, and power distribution where flexibility is required.
Q: What are its main construction features?
A: Copper conductors with silicone rubber insulation; some models include additional sheathing for mechanical protection.
Q: What are the benefits of Silicone Rubber Wire?
A: High thermal stability, superior flexibility, chemical resistance, flame retardancy, and long service life in harsh conditions.
Q: How to select the right Silicone Rubber Wire?
A: Consider voltage rating, current capacity, operating temperature, flexibility, and environmental factors such as moisture or chemical exposure.
Q: How to maintain and store cables properly?
A: Store cables in a dry, cool environment away from direct sunlight and chemicals; avoid sharp bends and mechanical stress.
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