Glass-Fibre Braided Silicone High-Temperature Single-Core Cable up to 8/13.8 kV
This flexible silicone-insulated single-core cable is designed for motors, generators, transformers and other electrical equipment operating at elevated temperatures. Its glass-fibre braid is impregnated with silicone for improved mechanical protection, heat resistance and compatibility with epoxy-resin potting processes. Voltage options extend from 450/750 V to 8/13.8 kV.
Key Highlights
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Recommended for internal wiring and electrical connections requiring flexibility, high-temperature resistance and compatibility with encapsulation materials.
Typical applications include:
- Electric motors and generators
- Transformers and inductive equipment
- Industrial heating systems
- Power-generation equipment
- High-temperature switchgear
- Electrical equipment using epoxy-resin potting
- Steel, glass and ceramic processing machinery
The silicone-impregnated surface allows residues from common potting compounds to be removed more easily.
- Conductor: Flexible tinned copper strands
- Conductor class: Class 5 in reference to IEC 60228
- Conductor wrapping: Non-woven tape
- Primary insulation: Special heat-resistant silicone
- Outer protection: Glass-fibre braid
- Impregnation: Special silicone compound
- Standard color for 450/750 V version: White
- Standard color for 3.8/6.6 kV version: Grey
- Standard color for 8.0/13.8 kV version: Black
- Other colors and constructions available on request
- Available nominal voltages: 450/750 V, 3.8/6.6 kV and 8.0/13.8 kV
- Test voltage for 450/750 V cable: 2500 V
- Test voltage for 3.8/6.6 kV cable: 15,000 V
- Test voltage for 8.0/13.8 kV cable: 30,000 V
- Minimum bending radius: 7.5 × cable outer diameter
- Fixed operating temperature: −40°C to +180°C
- Flexible operating temperature: −25°C to +180°C
- Short-duration temperature: Up to +250°C
- Glass-fibre braid heat resistance: Up to approximately +400°C
- Radiation resistance: Approximately 2 × 10⁷ cJ/kg
- Halogen-free performance: In reference to IEC 60754-1
- Corrosiveness of combustion gases: In reference to IEC 60754-2
- Flame behavior: Flame-retardant and self-extinguishing in reference to IEC 60332-1-2
- Compliance: RoHS
| Cross-Section | Nominal Voltage | Largest Single Wire Ø (mm) | Approx. Outer Ø (mm) | Copper Weight (kg/km) | Approx. Cable Weight (kg/km) |
| 6 mm² | 450/750 V | 0.31 | 5.3 | 57.6 | 71 |
| 10 mm² | 450/750 V | 0.41 | 6.9 | 96.0 | 125 |
| 16 mm² | 450/750 V | 0.41 | 7.9 | 153.6 | 179 |
| 25 mm² | 450/750 V | 0.41 | 10.1 | 240.0 | 279 |
| 35 mm² | 450/750 V | 0.41 | 11.5 | 336.0 | 381 |
| 50 mm² | 450/750 V | 0.41 | 13.1 | 480.0 | 548 |
| 70 mm² | 450/750 V | 0.41 | 15.4 | 672.0 | 722 |
| 95 mm² | 450/750 V | 0.51 | 18.3 | 912.0 | 1004 |
| 120 mm² | 450/750 V | 0.51 | 20.2 | 1152.0 | 1221 |
| 16 mm² | 3.8/6.6 kV | 0.41 | 7.9 | 153.6 | 224 |
| 25 mm² | 3.8/6.6 kV | 0.41 | 10.1 | 240.0 | 325 |
| 35 mm² | 3.8/6.6 kV | 0.41 | 11.5 | 336.0 | 434 |
| 50 mm² | 3.8/6.6 kV | 0.41 | 13.1 | 480.0 | 596 |
| 70 mm² | 3.8/6.6 kV | 0.41 | 15.4 | 672.0 | 798 |
| 95 mm² | 3.8/6.6 kV | 0.51 | 18.3 | 912.0 | 1032 |
| 120 mm² | 3.8/6.6 kV | 0.51 | 20.2 | 1152.0 | 1250 |
| 10 mm² | 8.0/13.8 kV | 0.41 | 11.9 | 96.0 | 224 |
| 16 mm² | 8.0/13.8 kV | 0.41 | 12.9 | 153.6 | 286 |
| 25 mm² | 8.0/13.8 kV | 0.41 | 14.7 | 240.0 | 386 |
| 50 mm² | 8.0/13.8 kV | 0.41 | 17.3 | 480.0 | 663 |
| 70 mm² | 8.0/13.8 kV | 0.41 | 19.6 | 672.0 | 870 |
| 95 mm² | 8.0/13.8 kV | 0.51 | 21.7 | 912.0 | 1109 |
Other voltage ratings, cross-sections and customized dimensions are available on request.
THE FACTORY
BEHIND EVERY METER
Founded in 2007 in Foshan, Guangdong, Hulk Electric has grown from a regional producer into a globally recognised manufacturer of customised industrial cable solutions. Our 10,000㎡ facility runs on Toyota Production System lean principles, operated by 150+ skilled professionals producing over 300,000 metres every month.
Every cable you see on this page — including the HK-TRVV series — is engineered, extruded, tested, and shipped from that single facility. No trading company sits between you and the extrusion line.
Source Factory
Direct manufacturer — no middlemen, no markups. You deal with the engineers who run the line.
Deep Customization
Conductor, shielding, jacket compound, colour coding, certification — built to your exact spec.
7-Day Sampling
Rapid samples for new specifications. 15-day lead time on standard production orders.
Global Compliance
35+ certifications covering UL, CE, TÜV, IEC, RoHS and REACH for every major market.
BEFORE YOU ORDER
For stocked configurations listed in the ordering table, MOQ is 100 metres per specification. Custom configurations — non-standard core counts, jacket colours, or special compounds — carry a 500 metre MOQ. Samples of 5–10 metres are available free of charge for qualification testing.
Use shielded (P or PP suffix) whenever the cable runs alongside servo drives, VFDs, or inverters, or when carrying encoder, sensor, or analogue signals. Unshielded is suitable for pure power distribution and simple on/off control lines. If in doubt, our engineering team can review your cabinet layout and advise — this is included with any quotation.
Yes. Send us the existing part number or a sample and we will produce a cross-reference specification with matching electrical, mechanical, and dimensional characteristics. Most cross-references are turned around within 3 working days, with a physical sample following within 7 days.
Standard shipments include the CE Declaration of Conformity, RoHS and REACH statements, and the batch test report. UL Recognition (UL 2464 / UL 20549) is available on request for North American projects — specify this at the quotation stage as it affects the material specification.
Standard configurations ship in 15 working days from order confirmation. Custom-engineered specifications typically require 20–25 working days, depending on compound availability. Rapid sampling for new specifications is 7 days. We will confirm the exact date in writing with your order acknowledgement.
Engineering Support for Your Application
Tell Us How Your Cable Needs to Move
Send us a datasheet, drawing, existing cable model or a short description of your application. Our engineering team will help you identify a suitable cable construction.
- 01 Motion type, travel distance and minimum bend radius
- 02 Voltage, current, signal protocol and shielding needs
- 03 Operating environment, target service life and quantity
