Individually Pair-Screened CAT 7A Continuous-Flex Ethernet Cable
This CAT 7A industrial Ethernet cable features individually foil-screened pairs and an additional overall tinned-copper braid for enhanced electromagnetic compatibility. Designed for repeated movement in cable tracks, it combines high-frequency transmission performance with a halogen-free, oil-resistant PUR sheath.
Key Highlights
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Recommended for high-performance industrial Ethernet links operating near motors, drives and other sources of electromagnetic interference.
Typical applications include:
- High-speed industrial Ethernet networks
- Cable tracks and energy chains
- Automated manufacturing systems
- Machine tools and production equipment
- Industrial vision and measurement systems
- Data links near variable-frequency drives
- Compatible EtherCAT and EtherNet/IP installations
- M12 and RJ45 cable assemblies
The cable is intended for guided continuous bending and not unrestricted torsional movement.
| Component | Description |
| Standard configurations | 4 × 2 × 26 AWG and 4 × 2 × 24 AWG |
| Conductor | Fine-stranded bare copper |
| Core insulation | Special polymer compound |
| Pair identification | White-blue/blue, white-orange/orange, white-green/green, white-brown/brown |
| Pair formation | Cores twisted into pairs |
| Individual pair screen | Foil screen around each pair |
| Overall assembly | Screened pairs stranded together |
| Overall screen | Aluminized nonwoven layer and 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 at 100 MHz | 100 Ω ± 10 Ω |
| Transmission reference | CAT 7A, based on EN 50288-9-2 |
| 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 |
| Optional high-temperature construction | Up to +90°C, subject to qualification |
| Halogen-free performance | Based on IEC 60754-1 |
| Flame performance | IEC 60332-1-2 material-system option |
| Oil resistance | PUR performance based on EN 50363-10-2 |
| Network applications | Industrial Ethernet, EtherCAT and EtherNet/IP |
| Compliance options | RoHS- and PFAS-free material options |
| Cable Configuration | Approx. Insulated Core Ø | Approx. Outer Ø | Copper Weight | Approx. Cable Weight |
| 4 × 2 × 26 AWG | 1.5 mm | 8.5 mm | 38.5 kg/km | 81 kg/km |
| 4 × 2 × 24 AWG | 1.6 mm | 10.4 mm | 46.6 kg/km | 101 kg/km |
Outer diameter tolerance: Approximately ±10%.
Transmission performance must be validated as a complete channel using suitable CAT 7A-compatible connecting hardware.
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
