Fiberglass-Braided Silicone Hook-Up Wire 300/500 V
This 300/500 V silicone hook-up wire combines a flexible Class 5 tinned copper conductor with heat-resistant silicone insulation and a lacquer-impregnated fiberglass braid. The reinforced construction provides additional mechanical protection for internal wiring in electrical equipment operating at ambient temperatures above +55°C.
Key Highlights
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Recommended for protected internal wiring in high-temperature electrical and electronic equipment.
Typical applications include:
- Lamps and industrial lighting
- Electric heaters and heating appliances
- Household and kitchen appliances
- Laboratory equipment
- Electric machines
- Switchboards and distribution panels
- Medical appliances
- Equipment operating at ambient temperatures above +55°C
Conductor: Class 5 flexible tinned copper strands according to IEC 60228 and VDE 0295
Insulation: EI2 silicone compound according to EN 50363-1 and VDE 0207-363-1
Standard insulation color: White
Protective braid: Fiberglass
Surface treatment: Impregnating lacquer applied to the fiberglass braid
Nominal voltage: U₀/U 300/500 V
Test voltage: 2,000 V
Minimum bending radius: 7.5 × wire diameter
Temperature range, fixed installation: −40°C to +180°C
Temperature range, flexible application: −25°C to +180°C
Maximum short-time temperature: +250°C
Radiation resistance: 2 × 10⁷ cJ/kg
Halogen-free: IEC 60754-1 and VDE 0482-754-1
Flame retardant and self-extinguishing: IEC 60332-1-2 and VDE 0482-332-1-2
Combustion gas corrosiveness: No development of corrosive combustion gases according to IEC 60754-2 and VDE 0482-754-2
PFAS status: PFAS-free
Compliance: RoHS
| Cross Section | Largest Single Wire Ø | Approx. Outer Ø | Copper Weight | Approx. Wire Weight |
| 0.50 mm² | 0.21 mm | 2.4 mm | 4.8 kg/km | 11 kg/km |
| 0.75 mm² | 0.21 mm | 2.7 mm | 7.2 kg/km | 13 kg/km |
| 1.00 mm² | 0.21 mm | 2.8 mm | 9.6 kg/km | 19 kg/km |
| 1.50 mm² | 0.26 mm | 3.3 mm | 14.4 kg/km | 21 kg/km |
| 2.50 mm² | 0.26 mm | 3.9 mm | 24.0 kg/km | 34 kg/km |
| 4.00 mm² | 0.31 mm | 4.5 mm | 38.4 kg/km | 48 kg/km |
| 6.00 mm² | 0.31 mm | 5.0 mm | 57.6 kg/km | 67 kg/km |
| 10.00 mm² | 0.41 mm | 6.6 mm | 96.0 kg/km | 118 kg/km |
| 16.00 mm² | 0.41 mm | 8.0 mm | 153.6 kg/km | 178 kg/km |
| 25.00 mm² | 0.41 mm | 9.8 mm | 240.0 kg/km | 276 kg/km |
| 35.00 mm² | 0.41 mm | 11.2 mm | 336.0 kg/km | 379 kg/km |
| 50.00 mm² | 0.41 mm | 12.0 mm | 480.0 kg/km | 535 kg/km |
| 70.00 mm² | 0.41 mm | 15.1 mm | 672.0 kg/km | 710 kg/km |
| 95.00 mm² | 0.51 mm | 17.6 mm | 912.0 kg/km | 976 kg/km |
Outer diameter tolerance: ±10%
Other conductor sizes, colors and customized constructions 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
