Feichun PROTOLON GGSG 1.8/3KV: The Robust DC Track Feeder Cable for Demanding Railway Applications
Feichun PROTOLON GGSG 1.8/3KV: The Robust DC Track Feeder Cable for Demanding Railway Applications
Railway systems are critical infrastructure, and their reliability depends heavily on the performance of power supply systems. The Feichun PROTOLON GGSG 1.8/3KV is a specialized cable designed for DC power supply, particularly in track feeder systems used by rail networks like S-Bahn Berlin and Hamburg.
This cable offers robust construction, flame retardance, and oil resistance, ensuring reliability even in harsh conditions.
In this article, we'll explore the technical specifications, challenges, and benefits of using the Feichun PROTOLON GGSG cable in railway applications.
We'll also provide practical tips for installation and maintenance to help engineers and contractors maximize its performance.
Key Features and Benefits
- Robust Construction: Designed to withstand difficult laying conditions, vibrations, and harsh environmental factors.
- Flame Retardant and Oil Resistant: Enhances safety and durability in demanding railway environments.
- Compliance with Railway Standards: Meets the stringent System Requirements for Track Feeder Cables by DB Netz AG.
- Wide Installation Flexibility: Suitable for dry, damp, wet environments, pipes, ducts, direct burial, and even areas with small bending radii.
Who Should Read This Article?
This guide is tailored for:
- Railway Infrastructure Engineers
- Electrical Contractors
- Maintenance Personnel working with DC traction power systems
Technical Specifications
Here’s a detailed breakdown of the Feichun PROTOLON GGSG 1.8/3KV’s specifications:
| Specification | Details |
|---|---|
| Conductor Material | Copper, finely stranded (Class 5), per DIN EN 60228 / IEC 60228. |
| Insulation | EPR rubber for core insulation. |
| Inner Sheath Material | Chlorinated Polyethylene (CM/CPE). |
| Screen | Copper wire screen (Class 5) for EMC shielding. |
| Second Insulation | EPR rubber for additional mechanical protection. |
| Outer Sheath | Chlorinated Polyethylene (CM/CPE), providing double-layered protection. |
| Voltage Rating | U0/U (Um): 1.8/3 (3.6) kV DC. |
| Test Voltage | 6 kV AC. |
| Temperature Ratings | - Maximum conductor temperature: 90°C. |
Flame Retardance - Complies with EN/IEC 60332-1-2
Oil Resistance - Meets IEC/EN 60811-404 standards
Tensile Strength - 15 N/mm² (4500 N)
Bending Radius - Fixed installations: 6 x D (250mm). Free-moving: 10 x D (421mm)
CPR Reaction to Fire - Euroclass Eca
Standards and Compliance
Standards play a crucial role in ensuring the reliability and safety of railway infrastructure. The Feichun PROTOLON GGSG 1.8/3KV is manufactured in adherence to the following:
| Standard | Purpose |
|---|---|
| DIN VDE 0250-813 | Governs cables for direct current traction systems. |
| DIN EN 60228 / IEC 60228 | Sets the standards for conductors of insulated cables. |
| DIN EN 50363-1 & 2-1 | Specifies requirements for insulating, sheathing, and covering materials for low-voltage cables. |
| IEC/EN 60811-404 | Defines test methods for mineral oil immersion resistance in sheaths. |
Compliance with DB Netz AG
The System Requirements for Track Feeder Cables (1.8/3 kV) from DB Netz AG are fully met, ensuring compatibility with German railway systems.
Challenges in DC Track Feeder Applications
Railway environments present unique challenges. Here’s how Feichun PROTOLON GGSG addresses them:
1. Harsh Environmental Conditions
- Problem: Exposure to moisture, temperature fluctuations, and chemicals can degrade cables.
- Solution: Double sheathing with CM/CPE ensures excellent protection against environmental factors.
2. Mechanical Stress
- Problem: Vibrations and bending stress can damage standard cables.
- Solution: Class 5 finely stranded copper conductors and robust sheaths resist wear and tear.
3. Electromagnetic Interference (EMI)
- Problem: EMI can disrupt signaling systems.
- Solution: The copper wire screen provides effective EMC shielding.
4. Difficult Laying Conditions
- Problem: Installation in pipes, ducts, or direct burial sites can strain cables.
- Solution: The cable’s flexibility and small bending radius enable smooth installation in tight spaces.
5. Fire Safety
- Problem: Fires in railway systems can be catastrophic.
- Solution: Flame retardant properties per EN/IEC 60332-1-2 enhance safety.
Installation and Maintenance Best Practices
Proper handling and maintenance are vital for maximizing the cable’s lifespan.
Installation Tips
Handle with Care: Avoid kinks or excessive bending.
Follow Bending Radius Guidelines: Ensure the minimum bending radius is observed:
Fixed installations: 6 x D.
Free-moving installations: 10 x D.
Use Standardized Connections: Compatible with all muffles, sleeves, and joints.
Check the Environment: Ensure the site meets the cable’s temperature and moisture tolerances.
Maintenance Tips
Regular Inspections: Look for wear, abrasion, or chemical damage.
Monitor Connections: Ensure all terminations are secure and properly sealed.
Plan for Replacement: Proactively replace cables showing significant degradation.
Advantages of Materials and Manufacturing Processes
Superior Sheathing Materials:
The CM/CPE sheaths are engineered for chemical resistance, flexibility, and mechanical durability.
Advanced Manufacturing Techniques:
Use of Class 5 finely stranded copper improves conductivity and mechanical resilience.
Rigorous testing ensures compliance with international standards.
Optimized for Performance:
The dual-layer insulation and robust screening guarantee reliable performance even under extreme conditions.
Conclusion
The Feichun PROTOLON GGSG 1.8/3KV is an indispensable component for DC track feeder systems, offering unparalleled reliability, safety, and compliance with stringent railway standards.
Why Choose Feichun PROTOLON GGSG?
Flame Retardant, Oil Resistant, and Durable.
Complies with DB Netz AG requirements and DIN standards.
Designed to perform in harsh conditions and difficult installations.
Whether you're an engineer designing railway infrastructure or a contractor installing DC feeder systems, this cable is the robust, reliable, and standards-compliant solution you need.
For inquiries and custom solutions, contact Feichun Cable today!


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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