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High Flexible Spreader Drum Cable 12×2.5 for Lifting Systems

Type: REUST
Spec.: 12×2.5
Sheath: PUR
  • REUST 12×2.5

  • RONA

  • 85444929

Availability:
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Product Overview


The High Flexible Spreader Drum Cable 12×2.5 is a heavy-duty cable designed for demanding lifting systems, where simultaneous power and signal transmission in dynamic environments is critical. With 12 cores of 2.5 mm² conductors, this cable is optimized for cranes, hoists, and industrial lifting equipment, providing reliable performance under the stress of continuous reeling, heavy loads, and mechanical vibration.


▍Product structure


Conductor Multiple finely stranded bare copper wires, compliant with VDE 0295, Class 5 conductor
Insulation High-strength TPE mixture
Core Identification Black core with consecutive white numerical markings
Outer Sheath TMPU
Outer Sheath Color Red/Black
Working Voltage 600/1000V
Test Voltage 3500V
Minimum Bending Radius (Mobile Installation) Approximately 10x D (outer diameter of the cable)
Minimum Bending Radius (Fixed Installation) Approximately 5x D (cable outer diameter)
Temperature Range (Mobile Installation) -35°C to +90°C
Temperature Range (Fixed Installation) -40°C to +90°C
Weather Resistance Excellent UV resistance, suitable for both indoor and outdoor use
Flame Retardant Properties Compliant with IEC 60332-1
Bending Life Approximately 2 million cycles (for specific bending life calculations, please contact our sales engineers)
Certifications CE, EAC, ROHS


Features


Multi-Core Flexibility

Twelve individually insulated conductors (2.5 mm² each, Class 6 stranding) are twisted into a compact bundle with color-coded PVC insulation for easy identification. This design allows for efficient routing through the tight spaces of lifting machinery, while the stranded construction ensures flexibility during drum reeling and unwinding.


High Tensile Strength

A central steel wire rope (19x7 stranding) and polyester yarn bedding provide a tensile strength of up to 1,500 N. This reinforcement prevents conductor stretching and breakage, even when the cable is subjected to the sudden tension spikes common in lifting operations, such as those caused by load swings.


Oil and Flame Resistance

The PUR sheath is formulated to resist mineral oils, greases, and hydraulic fluids, ensuring stability in industrial environments. It also meets IEC 60332-1-2 standards for flame resistance, self-extinguishing within 30 seconds of removing the ignition source .


Long Bending Life

Tested to withstand over 1 million bending cycles in drum reeling applications (per IEC 60811-507), this cable maintains electrical conductivity and flexibility, outperforming rubber-sheathed cables by 50% in long-term use.


EMC Compatibility

An optional aluminum foil shield (100% coverage) with a tinned copper drain wire reduces electromagnetic interference, ensuring clear signal transmission for load cells, position sensors, and control systems in lifting equipment.


Applications


Construction Cranes: Tower cranes (e.g., Potain MDT series), mobile cranes, and crawler cranes used in high-rise building construction.

Material Handling: Overhead traveling cranes, gantry systems, and automated storage/retrieval systems (AS/RS) in warehouses and factories.

Mining Equipment: Haul trucks, excavators, and ore processing cranes in surface and underground mines.

Shipbuilding: Marine cranes, offshore lifting platforms, and dry dock equipment for vessel construction and repair.


FAQ


Q: What is the cable's current rating?

A: Each 2.5 mm² conductor supports a continuous current of up to 25A at 60°C (per IEC 60228), with the total capacity dependent on the number of active cores and ambient temperature.

Q: Can the cable be used in extreme temperatures?

A: Yes, it operates reliably between -40°C and +100°C, making it suitable for cold storage facilities, foundries, and outdoor winter construction sites.

Q: What is the minimum bending radius?

A: The minimum bending radius is 10x the cable's outer diameter (typically 120mm for a 12mm diameter cable), ensuring flexibility in tight drum configurations without damaging the conductors or sheath.

Q: Does the cable require grounding?

A: Yes, grounding the optional shield and armor (if installed) is essential for safety and to minimize EMI, in compliance with OSHA 1910.304 and IEC 61140 standards.

Q: Is the cable available with custom configurations?

A: Yes, we offer custom core counts (8–24 cores), conductor sizes (1.5–10 mm²), and shielding options (braided or foil) to meet specific project requirements, such as enhanced EMI protection for sensitive lifting controls.


84-HFV 10G0.5


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RONA is a premier high-tech company specializing in the research, design, and production of special flexible cables. We provide reliable connectivity solutions through professional engineering technology and rigorous manufacturing standards.

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