Halogen-Free Silicone Twin Cable 300/300 V – Heat Resistant

This halogen-free silicone twin cable is designed for electrical wiring exposed to high temperatures and demanding industrial conditions. It combines heat resistance, low-temperature flexibility, flame-retardant performance and excellent weather resistance for reliable operation in industrial equipment, lamps and heating appliances.

Key Highlights

Halogen-free silicone insulation · 300/300 V rated · Heat resistant up to +180°C continuously · Short-time temperature up to +250°C · Flexible at low temperatures · Flame-retardant and self-extinguishing · Non-corrosive combustion gases · Very good weather resistance · Fine-stranded Class 5 conductors · Tinned copper construction · PFAS-free · RoHS compliant

Application
Construction
Technical Data
Dimensions
Packaging

This heat-resistant silicone twin cable is suitable for installations requiring dependable performance at elevated temperatures and flexibility under cold conditions.

Typical applications include:

Smelting plants and steelworks
Hot-rolling mills
Cement production equipment
Glass and ceramic manufacturing machinery
Internal wiring of industrial lamps
Heating appliances and heating equipment
High-temperature electrical devices
Industrial control and power wiring

Conductor: Fine-stranded tinned copper conductors according to IEC 60228 and VDE 0295, Class 5

Insulation: Halogen-free, heat-resistant silicone compound type EI2 according to EN 50363-1 and VDE 0207-363-1

Cable configuration: Two parallel insulated conductors in a flat twin-cable construction

Standard colour: Reddish brown, similar to RAL 3016

Customized conductor sizes, insulation colours and dimensions are available upon request.

Nominal voltage: U₀/U 300/300 V

Testing voltage: 1,500 V

Minimum bending radius: 5 × cable diameter

Temperature range for fixed installation: −40°C to +180°C

Temperature range for flexible application: −25°C to +180°C

Maximum short-time temperature: +250°C

Radiation resistance: Up to 2 × 10⁷ cJ/kg

Halogen-free performance: According to IEC 60754-1 and VDE 0482-754-1

Flame performance: Flame-retardant and self-extinguishing according to IEC 60332-1-2 and VDE 0482-332-1-2

Corrosiveness of combustion gases: According to IEC 60754-2 and VDE 0482-754-2

Weather resistance: Very good

Chemical resistance: Dependent on the chemical medium, concentration, temperature and exposure duration

Restricted substances: Designed in accordance with applicable EU RoHS requirements

PFAS: PFAS-free construction

Number of Cores × Cross-Section	Largest Single Wire Ø	Approx. Cable Dimensions	Copper Weight	Approx. Cable Weight
2 × 0.50 mm²	0.21 mm	4.2 × 2.1 mm	9.6 kg/km	17 kg/km
2 × 0.75 mm²	0.21 mm	4.8 × 2.4 mm	14.4 kg/km	23 kg/km

Other conductor sizes, colours and customized cable dimensions are available upon request.

hulk packing

About Hulk Electric

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.

20+Years Manufacturing

30+Countries Served

10K㎡Factory Floor

35+Certifications

About Our Factory Talk to an Engineer

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.

Common Questions

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.

Get a Quotation

SEND US YOUR
SPECIFICATION

Tell us your core count, cross-section, and application — our engineering team will confirm the right configuration and send pricing within one working day.

Reply within 1 working day

Free samples for qualification

Cross-reference from any brand

Direct factory pricing — no middlemen