What is (N)GRDGÖU Cable and Where Should You Use It?

The (N)GRDGÖU cable is a versatile, flexible, low-voltage power and control cable designed for use in high-stress environments. With exceptional flexibility and durability, it is suitable for various industrial applications, including lifting devices, material handling equipment, and hoisting plants. This article will explore the structure, materials, technical specifications, and applications of the (N)GRDGÖU cable. We will also provide practical insights, including case studies from South Africa, where the cable is commonly used in wet and mechanically demanding conditions.

What Are the Key Components and Structure of (N)GRDGÖU Cable?

Conductors

The (N)GRDGÖU cable features electrolytic annealed, class 5 stranded plain copper wires. These conductors offer excellent electrical conductivity and ensure reliable performance under various mechanical stresses. Additionally, plain conductors are available upon request.

Separator

A suitable tape is applied over the conductor for isolation, preventing short circuits and ensuring the integrity of the cable.

Insulation

The cable is insulated with a 3GI3 type elastomer compound. This insulation offers superior dielectric properties, enhancing the cable's resistance to electrical breakdowns and ensuring reliable performance.

Core Identification

The cable's core identification is in accordance with VDE 0293-308 standards, providing easy identification and clear marking for proper installation and maintenance.

Inner and Outer Sheaths

• Inner Sheath: GM1b type elastomer compound.

• Outer Sheath: 5GM3 type elastomer compound, available in black (other colors can be requested).
  These sheaths provide excellent protection against external mechanical and environmental factors, making the cable suitable for use in harsh industrial environments.

What Are the Key Standards and Characteristics of (N)GRDGÖU Cable?

Relevant Standards

• DIN VDE 0250-814, VDE 0298-3, DIN VDE 0472-501, 502, 503: These standards ensure that the (N)GRDGÖU cable meets high-quality and safety requirements.

• Flame Retardancy: The cable complies with VDE 0482-332-1-2 and DIN EN 60332-1-2, offering protection against fire hazards.

• Oil Resistance: Meets the requirements of IEC 60811-2-1 and DIN VDE 0473-811-2-1, making it suitable for environments where oil exposure is a concern.

Key Electrical and Non-Electrical Tests

• Electrical: The cable is tested for AC voltage (3.5 kV), and it has maximum operating voltages of 0.7/1.2 kV (AC) and 0.9/1.8 kV (DC).

• Non-Electrical: The cable undergoes oil resistance tests to ensure long-term performance in oily or wet environments.

Operating Temperatures and Conditions

• Fixed Temperature Range: -40ºC to +80ºC.

• Mobile Temperature Range: -25ºC to +80ºC.

• Max Conductor Operating Temperature: 90ºC.

• Short Circuit Temperature: 250ºC.

These temperature specifications make the cable suitable for a wide range of industrial applications, from low to high-temperature environments.

What Are the Main Applications for (N)GRDGÖU Cable?

Flexibility and Mechanical Load Resistance

The (N)GRDGÖU cable is designed to withstand high mechanical stresses and frequent bending. It is ideal for use in environments with rigorous physical demands, such as lifting devices, material handling equipment, hoisting plants, and transport machinery.

Common Use Cases

• Festoon Systems: The cable is commonly used in festoon systems, providing continuous power and control connections for lifting and handling equipment.

• Reeling Systems: It is also employed in reeling systems, serving as a power supply for moving machinery.

• Industrial Environments: In wet and damp industrial conditions, the (N)GRDGÖU cable excels due to its resistance to moisture, oil, and mechanical stress.

South African Case Studies

• Case Study 1: In South Africa’s mining industry, the (N)GRDGÖU cable is used in wet and damp environments, providing reliable power and control to mining machinery. The cable’s durability and flexibility make it a preferred choice for mines located in challenging terrains.

• Case Study 2: The cable has been used in material handling equipment within South African industrial zones, ensuring the safe operation of machines that operate under heavy mechanical loads.

What Are the Technical Specifications of (N)GRDGÖU Cable?

Conductor Specifications

The (N)GRDGÖU cable is available in various conductor sizes:

• 1 x 35 mm² to 36 x 2.5 mm²

• Approximate Weight: Ranges from 270 kg/km to 3570 kg/km, depending on the size.

• Overall Diameter: The diameter ranges from 12.3 mm to 42.1 mm, depending on the number and size of the conductors.

Detailed Breakdown of Performance

• Current Carrying Capacity: The cable's performance is detailed in VDE 0298-4, and its current carrying capacity ensures reliable operation in high-load scenarios.

• Travel Speed: In festoon systems, the cable can travel at speeds of up to 240 m/min, and in reeling systems, the maximum horizontal speed is 60 m/min.

• Maximum Tensile Load: The maximum tensile load is 15 N/mm², ensuring that the cable can endure the physical stresses encountered in industrial environments.

How Do You Install and Maintain (N)GRDGÖU Cable?

Installation Tips

• Minimum Bending Radius: The minimum bending radius is specified according to VDE 0298-3, ensuring that the cable is properly installed to prevent damage during operation.

• Best Practices: For environments subject to wet conditions or high mechanical stress, ensure the cable is protected with suitable conduit or support systems to enhance its lifespan.

Maintenance Considerations

• Inspection and Maintenance: Regular inspections for signs of wear, damage, or corrosion are essential for maintaining the cable’s integrity. Ensuring proper maintenance can significantly extend the service life of the cable.

FAQ: Common Questions About (N)GRDGÖU Cable

What is the voltage rating of (N)GRDGÖU Cable?

The cable has a rated voltage of 0.6/1 kV, with a maximum operating AC voltage of 0.7/1.2 kV and a maximum DC voltage of 0.9/1.8 kV.

What is the difference between (N)GRDGÖU and other cables?

Compared to similar cables, the (N)GRDGÖU offers enhanced flexibility, oil resistance, and better mechanical performance under harsh environmental conditions.

Can (N)GRDGÖU Cable be used in outdoor applications?

Yes, the cable is suitable for outdoor use and can withstand wet, damp, or industrial conditions, making it ideal for use in challenging environments.

How do I select the right cable size?

Consider factors such as current carrying capacity, environmental conditions, and required flexibility when selecting the appropriate cable size for your application.

How Does (N)GRDGÖU Cable Compare to Other Cables?

Comparison with Other Low-Voltage Cables

The (N)GRDGÖU cable stands out for its combination of high flexibility, mechanical load resistance, and durability in harsh environments. It offers advantages over standard low-voltage cables, such as superior oil and flame resistance.

Advantages of Using (N)GRDGÖU Cable in Industrial Applications

Key benefits include:

• Improved Mechanical Performance: Can withstand high mechanical stresses and frequent bending.

• Reliability: Performs well in challenging environmental conditions like damp, wet, and oily environments.

Conclusion and Takeaways

Why Choose (N)GRDGÖU Cable for Your Industrial Projects?

The (N)GRDGÖU cable is the ideal choice for applications requiring flexibility, durability, and resistance to harsh environmental conditions. Its use in industries like mining and material handling demonstrates its reliability and superior performance.

For more information on how (N)GRDGÖU cable can benefit your industrial projects, consult with a cable expert or contact a supplier for tailored solutions.