Round Silicone-Sheathed Thermocouple Extension and Compensating Cable
This round thermocouple cable combines stranded temperature-measurement conductors with silicone core insulation and a heat-resistant silicone outer sheath. The fully silicone-insulated construction provides additional mechanical protection while supporting continuous operating temperatures up to +180°C.
Key Highlights
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Suitable for industrial thermocouple connections requiring a common outer sheath and elevated-temperature performance.
Typical applications include:
- Industrial furnaces and ovens
- Heating and drying systems
- Process-control equipment
- Temperature controllers
- Plastic and rubber-processing machinery
- Laboratory and testing equipment
- Industrial sensor wiring
- Machinery temperature monitoring
Conductor: Stranded thermocouple extension or compensating alloy
Number of cores: Two
Core arrangement: Two insulated cores laid together
Core insulation: Heat-resistant silicone compound, type EI2 according to EN 50363-1
Outer sheath: Heat-resistant silicone compound, type EM9 according to EN 50363-2-1
Overall shape: Round
Core and sheath identification: According to the selected thermocouple type and applicable color-code standard
Available conductor cross-sections: 1.50 mm², 0.75 mm², 0.50 mm² and 0.22 mm²
Minimum bending radius: 7.5 × cable diameter
Temperature range:
- Fixed installation: −40°C to +180°C
- Flexible application: −25°C to +180°C
- Short-time exposure: Up to +250°C
Insulation resistance: Greater than 1 MΩ·km
Radiation resistance: Approximately 2 × 10⁷ cJ/kg
Halogen-free performance: According to IEC 60754-1
Corrosiveness of combustion gases: According to IEC 60754-2
Flame performance: Flame-retardant and self-extinguishing according to IEC 60332-1-2
Thermocouple options: T/TX, J/JX, K/KX, KCA, KCB, E/EX, R/S, N/NC and selected legacy configurations
Compliance reference: RoHS-compliant and PFAS-free material options
| Configuration | Nominal Cross-Section | Approx. Outer Diameter | Approx. Weight |
| 2 × 0.22 mm² | 0.22 mm² | 3.8 mm | 1.7 kg/100 m |
| 2 × 0.50 mm² | 0.50 mm² | 4.4 mm | 2.6 kg/100 m |
| 2 × 0.75 mm² | 0.75 mm² | 5.0 mm | 3.6 kg/100 m |
| 2 × 1.50 mm² | 1.50 mm² | 6.2 mm | 5.8 kg/100 m |
Other dimensions and thermocouple alloy combinations 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
