Continuous-Flex Single Pair Ethernet Cable for Drag Chains
This compact Single Pair Ethernet cable is developed for high-speed data transmission in continuously moving cable tracks. A twisted conductor pair, dual-layer electromagnetic shielding and a durable PUR sheath provide a space-saving connection for sensors, actuators and intelligent field devices.
Key Highlights
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Recommended for compact industrial Ethernet connections where reduced cable diameter and low cabling effort are important.
Typical applications include:
- Single Pair Ethernet networks
- Cable tracks and energy chains
- Smart sensors and actuators
- Distributed I/O devices
- Machine monitoring systems
- Industrial cameras and measurement equipment
- Compact robotic peripherals without continuous torsion
- Power over Data Line applications
| Component | Description |
| Standard conductor options | 2 × 26/7 AWG and 2 × 22/19 AWG |
| Conductor | Stranded bare copper |
| Core insulation | Special polymer compound |
| Core identification | White and blue |
| Pair formation | Two insulated conductors twisted into one pair |
| Inner sheath | Special halogen-free thermoplastic compound |
| Pair screen | Aluminum-laminated foil |
| Overall screen | Tinned-copper wire braid |
| Protective wrapping | Nonwoven tape |
| Outer sheath | Oil- and abrasion-resistant polyurethane |
| Standard sheath color | Green, similar to RAL 6018 |
| Property | Reference Value |
| Peak operating voltage | Maximum 90 V |
| Reference North American voltage | 300 V, certification-dependent |
| Test voltage, core to core | 2000 V |
| Test voltage, core to screen | 2000 V |
| Characteristic impedance | 100 Ω ± 10 Ω |
| Transmission reference | Based on IEC 61156-12 |
| Reference bandwidth | 1 to 600 MHz |
| Reference data performance | Up to 1 Gbit/s over 40 m, subject to complete-link validation |
| Reference PoDL capability | Up to approximately 50 W at 48 V DC, application-dependent |
| Fixed bending radius | 5 × cable diameter |
| Flexible bending radius | 10 × cable diameter |
| Continuous-flex bending radius | 15 × cable diameter |
| Fixed temperature range | −40°C to +70°C |
| Flexible temperature range | −40°C to +70°C |
| Reference North American temperature | Up to +80°C, certification-dependent |
| Halogen-free performance | Based on IEC 60754-1 |
| Oil resistance | PUR performance based on EN 50363-10-2 |
| Optional properties | Flame-retardant, PWIS-compatible, RoHS- and PFAS-free constructions subject to qualification |
| Cable Configuration | Approx. Outer Ø | Copper Weight | Approx. Cable Weight |
| 2 × 26/7 AWG | 4.6 mm | 16.9 kg/km | 29 kg/km |
| 2 × 22/19 AWG | 5.7 mm | 22.7 kg/km | 40 kg/km |
Outer diameter tolerance: Approximately ±10%.
Data distance and PoDL capacity depend on conductor size, ambient temperature, bundle conditions, connector design and permissible voltage drop.
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
