PROTOLON (FL)-LWL (N)TSFLCGEWOEU 6/10kV Medium Voltage Flat Reeling Cable with Integrated Fibre-Optics – High-Performance Solution for Cranes & Material Handling
Engineered for extreme mechanical stresses and harsh port environments, this cable delivers reliable power and high-speed data transmission for mobile equipment in shipyards, container cranes, and maritime applications.
PROTOLON (FL)-LWL (N)TSFLCGEWOEU cable is a flexible medium voltage flat reeling cable engineered for high-stress applications.
It integrates fiber optics for the combined transmission of energy and data, making it an ideal solution for mobile equipment such as fast-moving container cranes, heavy material handling machinery, and port operations. Designed to withstand dynamic tensile loads, multiple directional changes, and roller bending, this cable offers both robust electrical performance and reliable data connectivity in demanding industrial environments.
Key Features
High-Performance Flexibility:
Designed to endure extreme mechanical stresses including dynamic tensile loads and frequent directional changes.
Flat reeling design minimizes bending strain and reduces wear during rapid reeling operations.
Integrated Fiber Optics:
Incorporates six optical tubes surrounding a central support element.
Supports multi-mode fibers (G62.5/125 µm, G50/125 µm) and single-mode fibers (E9/125 µm) to deliver high-speed data transmission alongside power.
Robust Electrical Properties:
Rated voltage of 6/10 kV (up to 12 kV possible) with a test voltage of 17 kV and a nominal voltage of 10,000 V.
High-quality, finely stranded, tinned copper conductors (Class 5) ensure low conductor resistance and excellent current-carrying capacity.
Advanced Insulation & Sheath Technology:
Uses EPR rubber insulation (PROTOLON HS with a special compound) with inner and outer semi-conductive layers.
Outer sheath made from durable polychloroprene (PCP) rubber, enhanced with a specialized compound, provides excellent resistance to oil, UV, ozone, and flame (EN/IEC 60332-1-2 compliant).
Mechanical Strength and Durability:
Parallel core arrangement with an earth conductor split and concentrically distributed around each core.
Permanent tensile strength of 15 N/mm² ensures long-lasting performance even in high-stress environments.
Supports gantry reeling speeds of up to 120 m/min, making it perfect for fast-paced industrial applications.
Standards and Compliance
The cable is manufactured in accordance with rigorous international standards to ensure safety, performance, and reliability:
DIN VDE 0298-4 and DIN VDE 0250-813 for installation and design requirements.
DIN EN 60228/IEC 60228/VDE 0295 for conductor properties.
DIN EN 60811-404/IEC 60811-404 for insulation and mechanical resistance.
HD 2216 for additional performance criteria.
Reversed and roller bending tests ensure the cable's integrity under repeated flexing.
Construction Details
Conductor and Insulation:
Finely stranded, tinned copper conductors (Class 5) with individual concentric conductors across three main cores.
Core insulation made of high-performance EPR rubber (PROTOLON HS with a special compound > 3GI3).
Both inner and outer layers feature semi-conductive EPR for optimized electrical performance.
Outer Sheath:
Manufactured from robust polychloroprene (PCP) rubber with a special compound (> 5GM5), ensuring high durability and resistance to environmental factors.
Dimensions and Weight:
Several product variants are available with different conductor diameters, cable dimensions, and weights to suit various application requirements in cranes and material handling.
Fiber Optics Specifications
Optical Element:
Contains six optical tubes arranged around a central support element.
Each tube can house one, two, or three optical fibers.
Fiber Types and Performance:
Multi-mode Graded Index: Available in G62.5/125 µm and G50/125 µm variants.
Single-mode Graded Index: E9/125 µm option provides low attenuation (< 0.4 dB/km at 1310 nm and < 0.3 dB/km at 1550 nm) and high bandwidth.
Attenuation & Bandwidth:
Attenuation at 850 nm: < 3.3 dB/km (G62.5/125 µm) and < 2.8 dB/km (G50/125 µm).
Bandwidth capacities exceeding 400 MHz at 850 nm and up to 1200 MHz at 1310 nm.
Numerical Aperture & Dispersion:
Optimized for efficient data transmission with precise numerical aperture values and minimal chromatic dispersion.
Performance and Environmental Resistance
Temperature Tolerance:
Continuous operating temperatures up to 90°C; withstands short-circuit temperatures up to 250°C.
Suitable for fixed installations in temperatures ranging from -50°C to 80°C and for flexible installations from -35°C to 80°C.
Environmental Durability:
Flame retardant, oil-resistant, UV-resistant, and ozone-resistant.
Designed to perform reliably in harsh maritime and port environments where extreme weather conditions and corrosive elements are common.
Reeling and Bending Performance:
Supports high-speed reeling operations with a recommended bending radius (6×D for fixed, 10×D for flexible, 20×D for S-type changes) based on VDE 0298-3 guidelines, where D is 1.5 times the cable height.
Applications and Benefits
Ideal for Cranes and Material Handling:
Perfect for fast-moving container cranes and heavy mobile equipment in ports and shipyards.
Simplifies installation by combining power and data transmission in a single cable, reducing system complexity and maintenance costs.
Enhanced Operational Efficiency:
Real-time data transmission through integrated fiber optics facilitates automation, monitoring, and improved safety in industrial operations.
Robust design minimizes downtime and enhances overall reliability in high-demand environments.
Tailored for Harsh Environments:
Specifically engineered to resist mechanical stress, extreme temperatures, and corrosive marine conditions, ensuring long-term performance and safety.

Frequently Asked Questions (FAQ)
Q: What is the PROTOLON (FL)-LWL (N)TSFLCGEWOEU 6/10kV cable?
A: It is a flexible medium voltage flat reeling cable that integrates fiber optics for simultaneous power and data transmission, specifically engineered for high mechanical stresses in maritime, port, and shipbuilding applications.
Q: What voltage ratings does this cable support?
A: The cable is rated at 6/10kV (with a possible option up to 12kV) and is tested at 17kV, making it ideal for medium voltage systems in heavy industrial and marine environments.
Q: How does the cable combine power and data transmission?
A: It incorporates six optical tubes surrounding a central support element, which can house both multi-mode and single-mode fibers. This design enables real-time, high-speed data transmission alongside robust power delivery.
Q: Why is this cable particularly suited for port and shipyard operations?
A: Its robust design addresses high mechanical stresses—such as dynamic tensile loads and repeated bending—common in fast-moving container cranes, shipyards, and other port operations.
Q: What materials are used in the cable’s construction?
A: It utilizes finely stranded, tinned copper conductors (Class 5), high-performance EPR rubber insulation (PROTOLON HS with a special compound), and a durable polychloroprene (PCP) outer sheath enhanced with specialized compounds.
Q: How does the flat reeling design benefit the cable’s performance?
A: The flat profile minimizes bending stress and friction during rapid reeling and frequent directional changes, reducing wear on the cable in demanding applications.
Q: What environmental challenges does this cable overcome?
A: It is designed to be flame retardant, oil-resistant, UV-resistant, and ozone-resistant, making it ideal for corrosive, humid, and high-UV conditions typically encountered in port and marine environments.
Q: How does the cable perform in extreme temperature conditions?
A: It operates continuously at conductor temperatures up to 90°C and withstands short-circuit conditions up to 250°C. For installation, it accommodates temperatures from –50°C to 80°C (fixed) and –35°C to 80°C (flexible).
Q: What level of mechanical strength does this cable offer?
A: With a permanent tensile strength of 15 N/mm², it is built to endure high dynamic loads and repeated mechanical stress over long periods.
Q: How does the cable support high-speed reeling operations?
A: It is engineered for gantry reeling speeds up to 120 m/min, ensuring efficient and reliable performance in busy port and material handling applications.
Q: How does integrated fiber-optic technology enhance port operations?
A: The fiber-optic system enables real-time monitoring, control, and diagnostics, which are crucial for automating and optimizing crane and shipyard operations.
Q: Which international standards does the cable meet?
A: It complies with DIN VDE 0298-4, DIN VDE 0250-813, DIN EN 60228/IEC 60228/VDE 0295, and DIN EN 60811-404/IEC 60811-404, among others, ensuring high quality and safety.
Q: How does the cable ensure electrical safety in harsh conditions?
A: The multi-layer insulation—with inner and outer semi-conductive EPR layers—combined with a robust conductor design, minimizes the risk of electrical failures even under severe environmental stress.
Q: How does the cable resist corrosion from saltwater and high humidity?
A: Advanced EPR rubber insulation and a specially compounded PCP outer sheath provide excellent resistance to saltwater, humidity, and other corrosive agents found in maritime settings.
Q: What is the benefit of the cable’s parallel core arrangement?
A: This design ensures even current distribution across the cable, reducing hotspots and enhancing overall electrical performance and safety.
Q: How does the cable reduce maintenance costs in port operations?
A: Its robust construction and high resistance to environmental degradation lead to fewer repairs and replacements, lowering long-term maintenance expenses.
Q: How is the cable tested to ensure durability?
A: It undergoes rigorous testing, including high voltage, tensile, and bending tests, to verify its performance under extreme mechanical and electrical stresses.
Q: In what way does the fiber-optic system contribute to operational efficiency?
A: The integrated optics enable seamless data transmission, supporting advanced automation and real-time monitoring systems that enhance overall operational efficiency.
Q: How does the cable perform in cold weather conditions?
A: Designed for flexible installations as low as –35°C and fixed installations down to –50°C, it maintains reliable performance in extremely cold climates.
Q: How does the cable handle high ambient temperatures?
A: It is built to perform effectively at ambient temperatures up to 80°C, ensuring stability during hot summer conditions in industrial or maritime settings.
Q: What advantages do tinned copper conductors provide in this cable?
A: Tinned copper offers superior corrosion resistance and excellent conductivity, crucial for long-term performance in harsh marine environments.
Q: How does the cable maintain minimal power losses?
A: Its low conductor resistance and high-quality materials ensure efficient energy transmission, which is vital for heavy-duty port operations and power distribution systems.
Q: What is the nominal voltage of this cable and why is it important?
A: The nominal voltage is 10,000 V, which is essential for ensuring stable power delivery in medium voltage applications across industrial and maritime systems.
Q: How does the cable support efficient energy distribution in port facilities?
A: Its design, featuring high current-carrying capacity and low electrical resistance, minimizes power losses and optimizes energy usage in high-demand applications.
Q: How does the cable withstand the repeated bending required in reeling operations?
A: The flat reeling design and robust material composition allow it to endure continuous bending and reeling without significant wear or performance degradation.
Q: What does the test voltage rating of 17 kV signify?
A: It indicates the cable’s ability to safely handle voltage surges and maintain integrity under high electrical stress conditions.
Q: How is the cable adapted to the dynamic nature of port environments?
A: Its flexible design and high mechanical resilience allow it to absorb vibrations, shocks, and rapid directional changes commonly experienced in port and shipyard settings.
Q: What benefits does combining power and data transmission in one cable offer?
A: It simplifies installation, reduces wiring complexity, and facilitates integrated control and monitoring systems, thereby improving overall system efficiency.
Q: How does the cable mitigate issues caused by environmental vibrations?
A: Its robust construction and flexible design allow it to absorb and dissipate vibrational energy, protecting both the power and data transmission capabilities.
Q: How does the cable’s design minimize downtime in port operations?
A: With its reliable performance and integrated power/data functionality, the cable reduces installation complexity and maintenance needs, leading to less operational downtime.
Q: How does the cable ensure safety during extreme weather conditions?
A: Its flame retardant properties, combined with robust insulation and outer sheath materials, provide enhanced safety even during severe weather events like heavy rain or high winds.
Q: What role does the cable play in modern shipyard automation?
A: It supports automated systems by providing both power and high-speed data transmission, enabling efficient monitoring, control, and diagnostics in shipbuilding operations.
Q: How does the cable manage sudden mechanical shocks in dynamic environments?
A: Its high tensile strength and flexible design allow it to absorb mechanical shocks, ensuring continued reliable performance under abrupt load changes.
Q: How does the integrated fiber-optic system improve maintenance and troubleshooting?
A: The real-time data provided by the fiber-optic network allows for continuous monitoring of cable performance, making it easier to detect and address potential issues before they lead to failures.Q: Why is the PROTOLON (FL)-LWL (N)TSFLCGEWOEU 6/10kV cable critical for port and shipbuilding projects?
A: Its advanced design—combining robust power transmission with integrated high-speed data—ensures reliable, efficient, and safe operation in challenging maritime environments, making it an indispensable solution for modern port and shipyard applications.
PROTOLON (FL)-LWL (N)TSFLCGEWOEU 6/10kV Medium Voltage Flat Reeling Cable with Integrated Fibre-Optics – High-Performance Solution for Cranes & Material Handling
Engineered for extreme mechanical stresses and harsh port environments, this cable delivers reliable power and high-speed data transmission for mobile equipment in shipyards, container cranes, and maritime applications.
3/5/20258 min read