RONDOFLEX (C)-FC (N)GRDGCGOEU-J 0.6/1KV – High-Performance Low Voltage Festoon Cable for Precision Industrial Applications
Designed for Ultra-Low EMI, Superior Flexibility, and Robust Durability in Critical Crane and Material Handling Systems
RONDOFLEX (C)-FC (N)GRDGCGOEU-J 0.6/1KV cable is a state-of-the-art low voltage screened round cable specifically developed for festoon systems in the field of cranes and material handling.
This cable is ideally suited for use on gantry cranes, hall gantry cranes, rack material handling equipment, transportation systems, and even machine tools. Its design addresses critical challenges such as electromagnetic interference and emission control—making it an excellent choice where power cables might otherwise disrupt sensitive data transmission networks, or where compliance with EN 55011/55022 emission limits is required.
Key Features and Technical Highlights
Exceptional Electrical Performance:
Rated at 0.6/1 (1.2) kV, this cable ensures stable power delivery at a nominal voltage of 1000V. It undergoes rigorous testing at 5 kV and meets stringent EMC compatibility standards, which minimizes electromagnetic interference (EMI). The cable’s finely stranded, bare copper (Class 5) and extremely finely stranded, tinned copper (Class FS) conductors provide minimal electrical resistance and high conductivity for efficient energy transmission.
Advanced Insulation and Sheath Construction:
The core is insulated with EPR rubber enhanced by a special compound (>3GI3), ensuring excellent dielectric strength and long-term durability. For cable identification, the cores are finished with light-colored insulation marked with black printed numbers, while the earth conductor is colored green-yellow. An inner sheath made of a special EPR compound (GM1b) protects the core assembly, and the outer sheath is constructed from chlorinated polyethylene (CM/CPE) with a proprietary compound (>5GM3) that offers superior resistance to oil, UV radiation, ozone, and corrosive chemicals.
Robust Screening and Reinforcement:
The cable features a copper braid screen with overall coverage exceeding 80% and a transfer impedance of less than 100 mΩ/m at frequencies up to 30 MHz, which is essential for keeping data cable interference to a minimum. This screen is complemented by polyester braiding reinforcement, which increases the cable’s mechanical strength and durability under continuous motion and bending.Optimized for Festoon and Motor Power Supply Applications:
Designed specifically for festoon systems, the cable is well-suited to environments where frequent bending and repeated mechanical stress are common. It is also applicable as a flexible motor power supply cable, providing versatility in a wide range of industrial applications.Thermal and Environmental Resilience:
The cable performs reliably over an ambient temperature range of -50°C to +80°C for fixed installations and -35°C to +80°C for flexible applications. It maintains a maximum conductor temperature of 90°C during continuous operation and can tolerate short-circuit conditions up to 250°C. Its robust construction ensures excellent oil resistance, ozone resistance, UV stability, and seawater resistance, making it highly dependable in harsh marine and port environments.Compliance with International Standards:
Manufactured according to standards such as DIN VDE 0250-814, DIN VDE 0298-4, DIN EN 60811-404/IEC 60811-404, and VDE Reg. Nr. 7841, this cable meets the rigorous requirements for use in industrial and maritime applications. It is especially effective in scenarios where the maximal emission levels must be achieved to prevent interference with data cables.
Ideal Applications
This cable is perfect for use in:
Gantry and Hall Cranes: It is tailored for festoon systems on cranes, where cables experience constant bending and mechanical stress.
Port and Terminal Operations: Ensuring low interference and stable power supply in environments where multiple data and power cables operate in close proximity.
Shipbuilding and Industrial Machinery: Providing a reliable, low voltage power solution that can operate in cold environments and withstand harsh conditions.
Flexible Motor Power Supply: Suitable for applications where dynamic movement and continuous reeling are required.
Conclusion
The RONDOFLEX (C)-FC (N)GRDGCGOEU-J 0.6/1KV cable offers a unique combination of robust electrical performance, advanced insulation and sheathing, and superior mechanical durability. Its screened design minimizes interference, ensuring that it meets stringent emission standards, which is critical for modern port, shipbuilding, and material handling applications.
This cable is engineered to deliver long-term reliability and efficient power transmission even in the most demanding environments, making it an essential component for festoon systems in high-stress industrial applications.
Frequently Asked Questions (FAQ)
Q: What is the primary function of the RONDOFLEX (C)-FC (N)GRDGCGOEU-J cable?
A: It is designed to supply stable low voltage power and minimize electromagnetic interference (EMI) in festoon systems used on gantry cranes and other material handling equipment.
Q: For which applications is this festoon cable ideal?
A: It is ideal for gantry cranes, hall cranes, rack material handling equipment, transportation systems, and machine tools where frequent bending and high mechanical stresses occur.
Q: What is the voltage rating of this cable?
A: The cable is rated at 0.6/1 kV (with a maximum of 1.2 kV), making it suitable for low voltage applications.
Q: What type of conductor is used in this cable?
A: It utilizes extremely finely stranded, bare copper (Class 5) for the main power cores and extremely finely stranded, tinned copper (Class FS) for enhanced conductivity and reduced resistance.
Q: What material is used for the core insulation?
A: The core insulation is made from EPR rubber with a special compound (>3GI3), providing excellent dielectric strength and longevity.
Q: How are the cores arranged within the cable?
A: The cable is designed with a 4-core or 3-core configuration, depending on the conductor size, with the earth conductor incorporated via a split design in larger cross-sections to ensure balanced power distribution.
Q: What is the purpose of the control cores in this cable?
A: Control cores are integrated to support data transmission and reduce EMI, which is critical in environments where power cables might interfere with sensitive data lines.
Q: How is the cable’s screening implemented?
A: An individual screen made of tinned copper braid covers the cable, with a coverage exceeding 80% overall, ensuring low transfer impedance (<100 mΩ/m at ≤30 MHz) and reducing interference.
Q: What is the core identification system?
A: The cores have light-colored insulation with black printed numbers for easy identification, while the earth conductor is marked in green/yellow.
Q: What material forms the inner sheath of the cable?
A: The inner sheath is made from a special EPR compound (GM1b), offering robust waterproofing and protection to the core assembly.
Q: What is the outer sheath material?
A: The outer sheath is constructed from chlorinated polyethylene (CM/CPE) with a special compound (>5GM3), providing excellent resistance to oil, UV, ozone, and corrosive chemicals.
Q: Is this cable flame retardant?
A: Yes, it meets DIN EN 60332-1-2 standards, ensuring high flame retardancy and safety in critical installations.
Q: How does the cable perform in high mechanical stress conditions?
A: Its design supports repeated bending, roller and reversed bending, and torsional stress, making it highly durable in environments where frequent mechanical movement occurs.
Q: What is the maximum torsional stress this cable can withstand?
A: It can endure torsional stresses up to ±50° per meter, which is crucial for festoon systems on moving cranes.
Q: What are the thermal performance characteristics of this cable?
A: It operates continuously at conductor temperatures up to 90°C and can withstand short-circuit temperatures up to 250°C.
Q: What is the ambient temperature range for fixed installations?
A: The cable can operate in fixed installations between -50°C and +80°C.
Q: What is the ambient temperature range for flexible installations?
A: For flexible use, it operates effectively from -40°C to +80°C.
Q: What is the test voltage for this cable?
A: The cable is tested at 5 kV, ensuring robust insulation and safety margins.
Q: How does the cable’s design minimize EMI?
A: Its symmetrical construction and high-quality screening significantly reduce electromagnetic interference, which is essential in port and shipbuilding applications where power and data cables coexist.
Q: What is the rated nominal voltage in volts?
A: The nominal voltage is 1000V, ensuring compatibility with typical low voltage systems.
Q: What are the recommended bending radii for installation?
A: According to VDE 0298-3, the minimum bending radius is 4×D for fixed installations, 5×D for flexible installations, and 20×D for S-type directional changes (where D is the cable’s diameter).
Q: How does the cable ensure low electrical losses?
A: Its use of extremely finely stranded conductors minimizes resistance, thereby reducing energy loss and improving efficiency.
Q: What are the cable's mechanical strength properties?
A: The cable provides a permanent tensile strength that is increased through additional support elements, ensuring robust performance even under heavy load.
Q: What is the maximum travel speed for the festoon system?
A: It supports trolley travel speeds up to 240 m/min; however, actual performance may depend on factors such as cable weight and loop length.
Q: How does the cable handle repeated bending in festoon applications?
A: Its flexible design and high-quality insulation ensure that it can endure continuous bending cycles without degradation.
Q: Is the cable suitable for use as a flexible motor power supply?
A: Yes, it is designed to function efficiently as a flexible motor power supply cable, particularly in high-stress industrial environments.
Q: How does the cable perform in harsh maritime environments?
A: The CM/CPE outer sheath provides excellent resistance to seawater, oil, UV radiation, and ozone, making it highly suitable for port and shipyard operations.
Q: What standards does this cable comply with?
A: It adheres to standards such as DIN VDE 0250-814, DIN VDE 0298-4, DIN EN 60811-404/IEC 60811-404, VDE Reg. Nr. 7841, and DIN EN 60332-1-2.
Q: How does the cable’s screening improve overall performance?
A: The copper braid screening (with over 80% coverage) provides excellent EMC performance, ensuring that the cable does not interfere with adjacent data cables.
Q: How does the cable facilitate easy core identification?
A: The cores are finished with light-colored insulation and marked with black printed numbers, while the earth conductor is green/yellow, ensuring quick and accurate identification during installation.
Q: What maintenance practices are recommended for this cable?
A: Regular visual inspections, adherence to bending radius guidelines, and periodic electrical testing are recommended to ensure continued performance.
Q: How does the cable contribute to overall energy efficiency?
A: With low resistance and optimized construction, the cable minimizes power loss, enhancing energy efficiency in festoon systems.
Q: Can this cable be easily integrated into existing port and shipyard systems?
A: Yes, its modular design and compliance with international standards ensure seamless integration with modern crane and material handling systems.
Q: How does the cable manage data transmission when integrated with fiber-optic elements?
A: When equipped with the optional fiber-optic channels, the cable supports high-speed, low-attenuation data transmission, enabling real-time monitoring and control.
Q: Why should professionals in the port and shipbuilding industries choose the SPREADERFLEX REEL XPRT (N)SHTOEU cable?
A: Its exceptional mechanical durability, superior environmental resistance, low EMI, and efficient power delivery make it the ideal choice for demanding festoon applications in harbor cranes, shipyards, and other critical material handling systems.
RONDOFLEX (C)-FC (N)GRDGCGOEU-J 0.6/1KV – High-Performance Low Voltage Festoon Cable for Precision Industrial Applications
Designed for Ultra-Low EMI, Superior Flexibility, and Robust Durability in Critical Crane and Material Handling Systems
3/5/20257 min read