ECKABEL PROTOLON (M) R-(N)TSCGEWOEU LWL 20/35 kV: High-Performance Flexible Medium Voltage Cable for Extreme Industrial Applications

The ECKABEL PROTOLON (M) R-(N)TSCGEWOEU LWL 20/35 kV is an advanced medium-voltage flexible reeling cable, meticulously designed for extreme industrial environments.

Engineered to meet the challenges of high-voltage applications, it provides exceptional performance in demanding sectors like open-cast mining, heavy-duty industrial machinery, and mobile equipment operations.

This cable delivers reliability and resilience where electrical systems must endure mechanical stress, environmental exposure, and complex reeling configurations.

B. Unique Technological Proposition

Ultra-High Voltage Capability: Rated for 20/35 (42) kV applications, ensuring efficient power transmission.

Advanced Optical Integration: Embedded optical fibers for enhanced data transmission and monitoring.

Extreme Mechanical Stress Resistance: Designed for heavy-duty mechanical movement, including mono-spiral and cylindrical reel configurations.

Versatile Reel Configurations: Suitable for complex deployment in various industrial settings.

II. Comprehensive Certification and Standards

A. Regulatory Compliance

This cable adheres to stringent international safety and performance standards, offering reliability and peace of mind to operators:

Standard	Description
EN 50525-2-21	General requirements for flexible cables
DIN VDE 0207-21	Insulating and sheathing material testing
DIN VDE 0298-3	Minimum bending radius for reeling cables
DIN VDE 0250-813	Specifications for reeling cables
DIN EN 60811-404	Oil and flame resistance testing
GOST Fire Certification	Russian compliance for fire safety

III. Technical Specifications

A. Electrical Characteristics

Specification	Value
Rated Voltage	20/35 (42) kV
Nominal Voltage	35,000 V
Test Voltage	50 kV
Max. Conductor Temp.	90°C
Short Circuit Temp.	250°C

This cable’s robust electrical characteristics ensure consistent performance even under extreme operational conditions.

B. Conductor Engineering

Very Finely Stranded Copper: Provides excellent flexibility and current-carrying capacity.

Bare Conductor (Class FS): Optimized for high mechanical durability and conductivity.

IV. Advanced Structural Composition

A. Insulation and Layering Technology

Layer	Material Description
Inner Semi-Conducting	Semi-conductive EPR for uniform stress distribution
Core Insulation	Specialized EPR Rubber (PROTOLON Compound)
Outer Semi-Conducting	Semi-conductive NBR with easy-strip technology

 

B. Unique Design Features

Three-Core Design: Ensures even power distribution and mechanical balance.

Split Earth Conductor Configuration: Enhances safety and grounding.

Integrated Optical Element System: Facilitates seamless data transmission for modern industrial systems.

V. Optical Element Specification

A. Fiber Optic Integration

Fiber Type	Attenuation (850/1310 nm)	Bandwidth
G62.5/125 μm Multi-mode	<3.3 dB/km	>400 MHz
G50/125 μm Multi-mode	<2.8 dB/km	>1200 MHz
E9/125 μm Single-mode	<0.4 dB/km (1550 nm)	High-Precision

With low attenuation and high bandwidth, this optical system ensures accurate and fast data transmission even in harsh industrial environments.

 

VI. Mechanical and Environmental Performance

A. Mechanical Characteristics

Specification	Value
Torsional Stress	±100°/m
Tensile Strength	20 N/mm² (static), 25 N/mm² (dynamic)
Travel Speed	100 m/min (rewinding), 120 m/min (reeling)

B. Bending Radius Specifications

Operation Type	Minimum Radius
Fixed Installation	6 × Cable Diameter
Flexible Operation	10 × Cable Diameter
Directional Changes	20 × Cable Diameter

C. Environmental Resilience

Property	Compliance
Temperature Range	-40°C to 80°C (fixed); -35°C to 80°C (flexible)
Flame Retardant	EN/IEC 60332-1-2
Oil Resistant	Yes
UV Resistant	Yes
Seawater Resistant	Yes

VII. Sheathing and Reinforcement

Sheath Layer	Material
Inner Sheath	Rubber Compound 5GM3
Outer Sheath	PCP Special Compound 5GM5
Reinforcement	Braided Polyester

VIII. Application Domain Analysis

A. Primary Use Cases

High-Voltage Excavator Systems: Reliable power for large mining equipment.

Mobile Crushers: Efficient energy transmission for mobility and performance.

Dumper Power Infrastructure: Durable, heavy-duty electrical connections.

Extreme Industrial Environments: Withstanding environmental and mechanical challenges.

B. Installation Considerations

Proper installation ensures optimal performance:

Deployment Strategies: Utilize proper reeling techniques to avoid twisting or damage.

Performance Optimization: Regular inspections and monitoring to maintain efficiency.

Operational Challenges: Address torsional and tensile stress through compliant configurations.

IX. Risk Mitigation and Performance Management

A. Potential Operational Challenges

Electrical Stress Factors: Minimized through advanced insulation layers.

Mechanical Wear: Reduced by reinforced sheathing and stranded copper conductors.

Environmental Degradation: Prevented by robust UV, oil, and seawater-resistant outer sheaths.

B. Preventive Maintenance Strategies

Inspection Protocols: Periodic reviews to identify wear and tear.

Performance Monitoring: Utilize integrated optical systems for real-time diagnostics.

Lifecycle Management: Replace components proactively based on usage data.

X. Market Positioning and Competitive Analysis

The ECKABEL PROTOLON 20/35 kV Cable stands out with:

High-Voltage Capability: Supporting extreme applications with reliability.

Integrated Optical Technology: Facilitating advanced industrial monitoring.

Environmental Robustness: Durability in challenging conditions.

XI. Professional Recommendations

A. Installation Best Practices

Follow recommended bending radius guidelines during installation.

Ensure compatible reel configurations to avoid mechanical stress.

B. Performance Optimization

Leverage optical monitoring systems for predictive maintenance and operational efficiency.

C. Expert Consultation

Engage with ECKABEL’s technical team for tailored solutions.

XII. Future Technological Perspective

The ECKABEL PROTOLON (M) R-(N)TSCGEWOEU LWL 20/35 kV represents the future of medium-voltage cables, integrating optical and electrical technologies for enhanced performance.

With advancements in materials and design, the cable’s capabilities are poised to expand further, meeting the ever-growing demands of industrial power systems.

Appendices

Technical Data Summary

Specification	Value
Voltage Rating	20/35 (42) kV
Temperature Range	-40°C to 80°C
Max. Travel Speed	120 m/min
Bending Radius	6×D to 20×D

For further support, consult the ECKABEL technical team or visit our website for detailed manuals and resources.

Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.

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