Screened Low-Capacitance Encoder and Feedback Cable
This screened PUR feedback cable is designed for encoders, resolvers and position-monitoring systems in dynamic servo-drive applications. Flexible conductor configurations, paired signal elements and an overall tinned-copper screen support stable low-level signal transmission in cable tracks and electrically noisy industrial environments.
Key Highlights
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Suitable for feedback, measurement and position-signal transmission between motors, encoders and drive controllers.
Typical applications include:
- Incremental encoders
- Absolute encoders
- Resolver systems
- Position and speed feedback
- Servo-drive feedback circuits
- Machine tools and CNC systems
- Robotics and handling equipment
- Cable tracks and energy chains
The conductor configuration, voltage class and individual element screening should be selected according to the feedback interface and drive-system requirements.
| Component | Description |
| Conductor | Fine-stranded bare or tinned copper, based on Class 6 requirements |
| Core insulation | Special low-capacitance polymer compound |
| Core identification | Colored cores |
| Signal formation | Cores or signal conductors twisted into pairs |
| Individual element screen | Tinned-copper braid on selected pairs or functional elements |
| Optional inner sheath | Special polymer compound, depending on configuration |
| Element wrapping | Nonwoven tape or polymer foil |
| Overall screen | Tinned-copper wire braid |
| Screen wrapping | Nonwoven tape or foil |
| Outer sheath | Oil- and abrasion-resistant polyurethane |
| Standard sheath colors | Green or orange |
| Property | Reference Value |
| Available operating-voltage classes | 30 V or 300 V, depending on construction |
| Test voltage for 30 V versions, core to core | 600 V |
| Test voltage for 30 V versions, core to screen | 600 V |
| Test voltage for 300 V versions, core to core | 2000 V |
| Test voltage for 300 V versions, core to screen | 2000 V |
| Fixed bending radius | 5 × cable diameter |
| Flexible bending radius | 10 × cable diameter |
| Fixed temperature range | −50°C to +90°C |
| Flexible temperature range | −40°C to +90°C |
| Reference North American temperature | Up to +80°C, certification-dependent |
| Halogen-free performance | Based on IEC 60754-1 |
| Flame performance | Based on IEC 60332-1-2 |
| Oil resistance | PUR performance based on EN 50363-10-2 |
| Chemical resistance | Good resistance to acids, alkaline solutions, solvents and hydraulic fluids |
| Weather resistance | Very good reference performance |
| Compliance options | RoHS-, PFAS-free and PWIS-compatible options, subject to qualification |
Representative configurations:
| Cable Configuration | Voltage Class | Sheath Color | Approx. Outer Ø | Copper Weight | Approx. Cable Weight |
| 2 × 2 × 0.15 mm² + 2 × 0.38 mm² | 30 V | Green | 6.8 ± 0.3 mm | 46.9 kg/km | 62 kg/km |
| 2 × 2 × 0.20 mm² + 2 × 0.38 mm² | 30 V | Green | 6.8 ± 0.3 mm | 34.9 kg/km | 57 kg/km |
| 5 × 2 × 0.25 mm² + 2 × 0.50 mm² | 300 V | Green | 8.1 ± 0.3 mm | 57.3 kg/km | 85 kg/km |
| Screened 2 × 0.14 mm² + 6 × 2 × 0.14 mm² + 2 × 0.50 mm² | 300 V | Green | 8.8 ± 0.3 mm | 64.2 kg/km | 94 kg/km |
| 4 × 2 × 0.25 mm² + 2 × 0.50 mm² | 300 V | Orange | 8.5 ± 0.3 mm | 54.7 kg/km | 93 kg/km |
| 4 × 2 × 0.38 mm² + 4 × 0.50 mm² | 30 V | Green | 8.9 ± 0.3 mm | 71.8 kg/km | 106 kg/km |
Additional pair counts, auxiliary conductors, individual screens and feedback-specific color codes 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
