Cyky-J Flexible Control Cable: Engineered for Signal Integrity in High-Motion Industrial Systems
Signal distortion and cable fatigue are not minor inconveniences. They are the direct cause of unplanned downtime, intermittent machine faults, and costly re-wiring on your production floor. The Cyky-J flexible control cable eliminates these risks by delivering consistent, low-noise signal transmission under continuous flexing and torsional stress. This means fewer line stops and a measurable reduction in total cost of ownership across automated machinery and plant infrastructure.
Double-Shielded Construction That Stops EMI Before It Stops Your Line
[Feature]: Fine-stranded bare copper conductors, class 5/6 flexibility, wrapped in a tinned copper braid shield with ≥85% optical coverage.
[Advantage]: The high-density braid combined with a polyester separator delivers consistent low transfer impedance across the frequency range.
[Benefit]: VFD noise and electromagnetic interference do not corrupt encoder feedback or PLC signals. Your motion axes hold position repeatability, and you avoid phantom faults that force technicians into hours of guesswork.
A Sheath Compound That Prolongs Service Life in Aggressive Environments
[Feature]: Special-formulated PVC outer jacket, black RAL 9005, with inherent oil and coolant resistance tested to IEC 60811-404.
[Advantage]: The jacket does not swell, crack, or harden when exposed to mineral oils, synthetic lubricants, or water-based coolants common in CNC and metalworking cells.
[Benefit]: Cable replacement intervals extend well past typical 2-year cycles. Maintenance teams redirect budget toward uptime-critical tasks instead of pulling new cable through drag chains and conduits.
Flexibility That Matches the Dynamic Profile of Your Equipment
[Feature]: Optimized lay length and non-wicking core fillers, designed for a minimum flexing radius of 7.5× cable outer diameter under free movement.
[Advantage]: The core assembly resists corkscrew deformation even after millions of flex cycles in linear motion guides and cable carriers.
[Benefit]: You can specify a smaller bend radius tray or chain, save on carrier space, and trust that the cable will survive acceleration ramps without conductor fracture.
Factory-Tested Withstand Voltage That Derisks Commissioning
[Feature]: 100% routine test at 4 kV ac for 5 minutes on every production length, exceeding the required 3 kV for 300/500 V rated cables.
[Advantage]: Latent insulation defects are caught before the cable leaves our test bay, not during your final acceptance test.
[Benefit]: Project commissioning stays on schedule. No last-minute cable faults trigger panel re-work or contractual penalties from your end client.
Technical Specifications
The values below represent a standard configuration frequently adopted in machine tool and assembly line projects. Full custom data will be issued with your quotation and certified test report.
| Parameter | Standard Configuration |
|---|---|
| Conductor material | Bare copper, fine stranded (IEC 60228 class 5/6) |
| Core insulation | PVC or XLPE compound (nominal thickness per IEC 60502) |
| Core identification | Black cores with white numbering, green/yellow ground |
| Shielding | Tinned copper braid, coverage ≥85% |
| Inner sheath | Transparent PVC or polyester tape |
| Outer sheath material | Oil-resistant PVC, black (RAL 9005) |
| Rated voltage U₀/U | 300/500 V |
| Test voltage | 4000 V ac, 5 min |
| Temperature range, fixed | -15 °C to +70 °C |
| Temperature range, flexing | -5 °C to +70 °C |
| Minimum bending radius, flexing | 7.5 × cable diameter |
| Flame propagation | IEC 60332-1-2 self-extinguishing |
| Oil resistance | IEC 60811-404, IRM 902 immersion |
| UV resistance | UL 1581 sunlight resistance (upon request) |
| Continuous flex cycles | ≥ 5 million cycles (tested per Figure-8 protocol, 3× outer diameter radius) |
Industry Applications & Scenario Validation
- CNC Machining Centers and Transfer Lines: The tight bending radius and oil-resistant jacket withstand constant movement inside chip-laden linear guides. No jacket degradation from cutting fluids means no mid-shift cable swaps.
- Automated Storage and Retrieval Systems (AS/RS): High-speed vertical lift platforms subject cables to millions of flex cycles per year. The proven flex cycle rating eliminates cable as the bottleneck in predictive maintenance schedules.
- Packaging and Pick-and-Place Robots: Short, aggressive acceleration moves with torsion require a core that does not kink internally. The precise core geometry prevents conductor popping that causes encoder mismatch faults on delta robots.
- Wind Turbine Pitch and Yaw Control: Even inside the nacelle, control cables see repeated twisting and must remain functional across wide temperature swings. The cold-impact PVC variant passes bend tests at -40 °C, reducing the risk of jacket fracture during winter commissioning.
- Tunnel Boring and Heavy Earthmoving Equipment: Vibration and mechanical abrasion are extreme. The shielded construction keeps control signals stable for hydraulic manifold positioning despite nearby high-current power cables and constant vibration.
International Compliance & QA Standards
Every production batch undergoes in-line diameter monitoring, spark testing, and sample cut verification before release. The following standards form our baseline for design and testing:
- ✅ IEC 60228 – Conductors of insulated cables
- ✅ IEC 60332-1-2 – Flame retardance for a single cable
- ✅ IEC 60502 – Power and control cables (insulation thickness and construction)
- ✅ IEC 60811-404 – Oil resistance of sheath compounds
- ✅ EN 50525-2-51 – Harmonized control cables with enhanced oil resistance (where applicable)
- ✅ CE Marking per Low Voltage Directive 2014/35/EU
- ✅ RoHS 3 (2011/65/EU as amended) – Material compliance
- ✅ ISO 9001:2015 – Factory quality management system
FAQ
How do I select the correct core count for a motor with brake and thermal sensor feedback?
Start with the main power conductors, add the brake control pair, and then count the sensor signal pairs (typically 2 or 4 cores for PTC or thermistor circuits). Add one spare signal pair for unexpected integration needs. A common result is 12 G 1.5 mm² + 2 × 2 × 0.75 mm² shielded. Our application engineers can validate your bill of materials against your drive schematic before production.
Can the Cyky-J cable be supplied with a UL AWM style number for panel wiring in North American equipment?
Yes, we supply the same electrical construction in a variant marked with UL AWM 2587 or similar, subject to the final conductor and voltage configuration. By pre-wiring this single cable rather than sourcing separate UL-rated and IEC cables, you unify inventory and avoid dual-stock logistics. Request the combined CE+UL marking at the RFQ stage to allow direct traceability.
What is the realistic lead time for a 500-meter length with custom core colors and laser marking?
Standard core colors ship from buffer stock in 7 working days within continental Europe. Custom core colors add 5 working days for set-up. The laser marking process for your part number adds no extra lead time but requires a one-time approval of the print legend. Total lead time for your first custom batch is typically 12 working days ex-works. Offshore shipping adds air or sea transit times based on your nominated forwarder.
Request Your Project-Specific Datasheet and Cut-to-Length Quotation
Every installation differs. Send your cable schedule, bend radius constraints, and required compliance list. We return a technical proposal with the full Cyky-J datasheet, flex-cycle simulation data, and a fixed FOB or DAP price within 48 hours.
[Request Engineering Data & Pricing] [Download Generic Cyky-J Datasheet PDF]