Comprehensive Guide to Feichun A-2YOF(L)2YB2Y H95 Railway Signaling Cable

The Feichun A-2YOF(L)2YB2Y H95 Railway Signaling Cable is an advanced solution for modern railway systems. This cable is designed to enhance the reliability of railway signaling and control applications, such as operating light signals, point machines, and other critical systems.

Its construction ensures optimal performance in long-distance signal transmission and harsh environments, offering improved protection and operational efficiency.

Key features include:

• Improved mutual capacitance design, enabling superior long-distance signal integrity.

• Enhanced mechanical protection with additional steel tape armoring.

• Suitable for direct burial, installation in ducts, or placement directly on the ground.

1.2 Standards and Certifications

The cable complies with Deutsche Bahn AG PH 416.0114 v.2.1, a hallmark of quality and reliability for railway applications. Key certifications and parameters include:

• Voltage rating: U₀/U: 420/600V.

• Certified for long-term durability in challenging environments.

• Meets rigorous quality assurance standards, with comprehensive testing documentation available.

2. Technical Construction

2.1 Core Construction

• Stranding Pattern: n x 1 x 1.4/1.8 mm bare copper conductors ensure excellent conductivity.

• Insulation: Polyethylene (PE) core insulation provides high resistance to environmental stress and electrical interference.

• Water Blocking System: A longitudinal water-blocking layer prevents moisture ingress, ensuring long-term cable performance.

2.2 Cable Layer Design

• Inner Sheath: Durable PE material for internal protection.

• Aluminium Tape Shielding: Copolymer-coated aluminum tape (0.15 mm) enhances shielding against electromagnetic interference.

• Steel Tape Armor: Provides superior mechanical protection against external forces.

• Outer Sheath: PE outer sheath ensures resistance to abrasions, chemicals, and extreme weather conditions.

3. Electrical Characteristics

3.1 Conductor Properties

The electrical specifications of this cable are optimised for demanding railway signaling systems:

Insulation Resistance: ≥ 1500 MΩ∙km.

Capacitance Values:

General use: ≤ 95 nF/km.

Special cases: ≤ 105 nF/km (single core).

3.2 Testing Requirements

The Feichun A-2YOF(L)2YB2Y H95 undergoes rigorous electrical testing to meet industry standards:

• Core-to-Core Voltage Test: 2.5 kV.

• Core-to-Screen Voltage Test: 2.5 kV.

• All tests are performed under controlled conditions, with strict acceptance criteria ensuring optimal performance.

4. Installation Guidelines

4.1 Environmental Considerations

Proper installation ensures long-term reliability:

​Temperature Ranges:

Operation: -40°C to +60°C.

Installation: -10°C to +60°C.

Suitable for underground installation in ducts or direct burial.

4.2 Mechanical Installation

Adhering to bending and pulling specifications is crucial:

Bending Radius:

Multiple bending: ≥ 10 × cable diameter.

Final bending: ≥ 7.5 × cable diameter.

Use proper support methods and ensure secure terminations.

5. Railway Applications

5.1 Light Signal Systems

The cable is tailored for integration with light signal systems, maintaining signal integrity over extended distances. Its capacitance-optimized design ensures clear and accurate signal transmission.

5.2 Point Machine Operations

The cable’s robust construction supports point machine control, ensuring:

• Reliable power distribution.

• Smooth operation in automated control systems.

• High safety and low maintenance requirements.

6. Performance Verification

6.1 Pre-installation Testing

To ensure operational readiness:

• Verify conductor continuity.

• Measure insulation resistance and capacitance values.

• Inspect the water-blocking system for integrity.

6.2 Post-installation Testing

After installation, perform:

• System integration tests.

• Performance validation checks.

• Regular documentation and maintenance testing.

7. Installation Challenges and Solutions

7.1 Physical Installation

Challenges such as bending radius and termination can be mitigated by:

• Using proper pulling techniques.

• Following manufacturer-recommended joint installation procedures.

7.2 Environmental Protection

Environmental hazards like water ingress and temperature extremes are addressed with:

• Waterproof sheathing.

• Reinforced steel tape armor.

• Adherence to temperature management guidelines.

8. Maintenance and Troubleshooting

8.1 Preventive Maintenance

Schedule regular inspections to monitor:

• Cable integrity.

• Electrical performance.

• Environmental conditions.

8.2 Fault Resolution

For common issues such as signal loss:

• Identify the fault using standard testing methodologies.

• Implement appropriate repair procedures.

9. Safety Considerations

9.1 Installation Safety

Follow safe practices during installation:

• Wear personal protective equipment (PPE).

• Conduct thorough risk assessments.

9.2 Operational Safety

Ensure adherence to:

• Voltage limitations.

• Proper grounding requirements.

10. Quality Control

10.1 Manufacturing Standards

Every cable is manufactured under strict standards:

• Material compliance with Deutsche Bahn AG PH 416.0114 v.2.1.

• Rigorous construction and performance testing.

10.2 Field Performance

Real-world reliability is continuously monitored:

• Performance data collection.

• Ongoing reliability assessments.

11. References

• Deutsche Bahn AG standards.

• Manufacturer installation manuals.

• Industry testing and safety regulations.

The Feichun A-2YOF(L)2YB2Y H95 Railway Signaling Cable provides unparalleled reliability and performance in critical railway applications. Its robust design, compliance with stringent standards, and long-lasting durability make it the preferred choice for railway signaling and control systems.

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.