(N)3GRD5G 0.6/1 (1.2) kV Flexible Round Festoon Cable Heavy Duty Rubber Control and Power Cable for Dynamic Festoon Systems

Product Overview

The Flexible Round Festoon Cable (N)3GRD5G is a heavy-duty rubber-insulated and sheathed cable designed for power and control transmission in demanding festoon applications. It is engineered for continuous dynamic operation under mechanical tensile stress, offering excellent flexibility, durability, and resistance to harsh industrial environments such as cranes, conveyor systems, and automated material handling equipment.

Rated at 0.6/1 (1.2) kV, this cable combines superior electrical performance with outstanding mechanical endurance, making it suitable for both indoor and outdoor installations where high-speed movement and repeated bending are required.


Applications

  • Heavy-duty power and control supply systems

  • Festoon cable systems in cranes and hoisting equipment

  • Conveyor systems and automated machinery

  • Industrial handling and lifting equipment

  • Indoor and outdoor dynamic installations

  • Environments with continuous movement and mechanical stress

Designed for applications with combined mechanical tensile stress and dynamic bending loads, ensuring long service life in high-cycle operations.


Cable Design

1. Conductor

  • Flexible plain copper conductor

  • “FSC” construction

  • Better than IEC 60228 Class 5

2. Insulation

  • RHEYCLEAN-HEPR compound

  • Performance better than IEC 60502-1

3. Inner Sheath

  • Special synthetic rubber compound

  • Equivalent or better than EM6 (prEN 50363)

4. Outer Sheath

  • Heavy-duty rubber compound EM7 (prEN 50363)

  • Colour: Black


Marking

Cable surface marking includes:

  • (N)3GRD5G

  • Number of cores and cross-section

  • 0.6/1 kV rating

  • Year of manufacture

  • VDE registration number: 7891


Core Identification (DIN VDE 0293 Part 308 / HD 308 S2)

  • 4 cores: Green/Yellow – Brown – Black – Grey

  • 5 cores: Green/Yellow – Blue – Brown – Black – Grey

  • ≥5 cores: Black with white numbers + Green/Yellow protective conductor (outer layer)

  • 6-core design: Brown – Black – Grey + 3 Green/Yellow conductors (interstices)


Standards Compliance

  • DIN VDE 0250 Part 812

  • VDE registration No. 7891

  • Construction according to European industrial cable standards for festoon systems


Mechanical Properties

  • Conductor tensile stress (static): 15 N/mm²

  • Conductor tensile stress (dynamic): 30 N/mm²

  • Bending radius: According to DIN VDE 298

  • Testing methods:

    • Alternating/reversed bending test

    • Roller bending test

    • Torsional resistance test

  • Festoon travel speed: Up to 240 m/min (higher speeds available upon request)


Chemical and Environmental Resistance

  • Oil resistant

  • Suitable for indoor and outdoor use

  • Resistant to moisture, UV radiation, and ozone exposure

  • Flame-retardant according to IEC 60332-1


Electrical and Thermal Properties

Rated Voltage

  • Uo/U: 0.6/1 kV

  • Maximum AC system voltage (Um): 1.2 kV

  • Maximum DC system voltage (Vm): 1.8 kV

Test Voltage

  • Power cores: 3.0 kV AC

  • Control cores: 2.0 kV AC

Current Rating

  • According to DIN VDE 0298 Part 4

Temperature Range

  • Conductor operating temperature: +90°C

  • Short-circuit temperature: up to +250°C

  • Fixed installation: –50°C to +80°C

  • Mobile operation: –35°C to +80°C

Key Advantages

  • High mechanical tensile strength for dynamic systems

  • Excellent flexibility for continuous festoon movement

  • Superior resistance to oil, UV, ozone, and moisture

  • Flame-retardant safety performance

  • Wide temperature operating range

  • Suitable for high-speed festoon applications up to 240 m/min


The (N)3GRD5G flexible round festoon cable is a robust industrial solution designed for demanding power and control applications under continuous motion. With advanced rubber compound technology, high mechanical endurance, and compliance with European standards, it ensures reliable performance in modern automated industrial environments.