Comprehensive Guide to Feichun A-2YOF(L)2YB2Y H145 Railway Signalling Cable
Railway signalling systems are the backbone of safe and efficient train operations. The Feichun A-2YOF(L)2YB2Y H145 Railway Signalling Cable is specially designed to meet the rigorous demands of railway applications, offering exceptional performance, durability, and compliance with Deutsche Bahn AG PH 416.0113 v.2.1 standards.
This guide provides an in-depth look at the features, benefits, and installation practices of this robust cable.
The Feichun A-2YOF(L)2YB2Y H145 cable is purpose-built for light signal and point machine operations in railway systems. Its advanced design ensures reliable performance in underground and duct installations, where enhanced mechanical protection is crucial.
With its steel tape armoring and water-blocking system, this cable is a top choice for railway applications in harsh environments.
1.2 Standards Compliance
This cable complies with the Deutsche Bahn AG PH 416.0113 v.2.1 standards, ensuring superior performance and safety.
It is rated for a nominal voltage of 420/600V, with stringent testing requirements for insulation resistance, capacitance, and mechanical protection.
2. Technical Construction
2.1 Conductor Specifications
The cable features a bare copper conductor with a stranding pattern of n x 1 x 1.4/1.8 mm, offering high conductivity and durability. The table below highlights the conductor specifications:
| Conductor Diameter | Resistance (Ohm/km at 20°C) | Material |
| 1.4 mm | ≤ 11.9 | Bare Copper |
| 1.8 mm | ≤ 7.2 | Bare Copper |
2.2 Cable Design
The multi-layer construction enhances the cable's performance and longevity:
| Layer | Material | Function |
| Core Insulation | Polyethylene (PE) | Electrical insulation |
| Shielding Layer | Copolymer Coated Al-tape | Electromagnetic interference protection |
| Armoring | Galvanized Steel Tape | Mechanical protection |
| Inner and Outer Sheaths | PE | Environmental protection |
| Water Blocking System | Longitudinal Blocking | Prevents water ingress |
3. Electrical Properties
3.1 Operating Parameters
The Feichun A-2YOF(L)2YB2Y H145 cable offers exceptional electrical characteristics:
| Parameter | Value |
| Insulation Resistance | ≥ 1500 MΩ∙km |
| Maximum Capacitance | ≤ 145 nF/km |
| Special Case Capacitance | ≤ 155 nF/km (single core) |
| Voltage Testing Requirements | 2.5 kV |
3.2 Performance Characteristics
- Signal Transmission: Maintains high signal integrity, critical for railway operations.
- EMI Protection: Robust shielding ensures minimal electromagnetic interference.
- Temperature Stability: Performs reliably across -40°C to +60°C.
- Longevity: Designed for long-term reliability in demanding conditions.
4. Installation Requirements
4.1 Environmental Conditions
The cable is designed for direct burial or duct installations, ensuring performance in various environments.
| Condition | Operating Range |
| Temperature - Operation | -40°C to +60°C |
| Temperature - Installation | -10°C to +60°C |
4.2 Mechanical Installation
To ensure optimal performance, follow these mechanical guidelines:
| Installation Aspect | Specification |
| Bending Radius - Multiple | ≥ 10 x diameter |
| Bending Radius - Final | ≥ 7.5 x diameter |
| Pulling Force | Calculated based on cable size |
5. Railway Applications
5.1 Light Signal Systems
The cable ensures seamless integration with light signal systems, offering reliable power and signal transmission. Proper shielding and insulation maintain signal integrity even in high-interference environments.
5.2 Point Machine Operations
For point machines, the cable delivers consistent power distribution and control signal transmission, ensuring smooth railway operations and enhancing safety protocols.
6. Testing and Verification
6.1 Factory Testing
| Test Type | Methodology |
| Conductor Resistance | Measured at 20°C |
| Insulation Resistance | ≥ 1500 MΩ∙km |
| Voltage Testing | 2.5 kV for core-to-core/screen |
6.2 Field Testing
Field testing ensures proper installation and system performance:
| Test Type | Purpose |
| Installation Verification | Ensures proper laying of cable |
| Performance Validation | Confirms operational parameters |
7. Common Installation Challenges
7.1 Physical Installation
Key challenges include maintaining bending radius specifications and using proper pulling techniques to avoid damage.
7.2 Environmental Protection
Preventing water ingress, managing temperature variations, and providing adequate mechanical protection are critical for underground installations.
8. Maintenance Guidelines
8.1 Preventive Maintenance
- Conduct regular inspections to identify wear or damage.
- Verify insulation resistance and capacitance periodically.
- Maintain detailed documentation for compliance.
8.2 Troubleshooting
If faults occur, follow these steps:
| Issue | Testing Method | Resolution |
| Signal Loss | Capacitance Testing | Replace damaged sections |
| Water Ingress | Visual Inspection | Seal and reinforce |
9. Quality Control
9.1 Manufacturing Standards
Feichun ensures quality through rigorous material selection, construction processes, and testing protocols, adhering to Deutsche Bahn AG standards.
9.2 Performance Monitoring
Feichun cables undergo long-term reliability assessments to identify improvement opportunities and ensure consistent performance.
10. Safety Considerations
10.1 Installation Safety
- Use personal protective equipment during installation.
- Follow safe working practices to minimize risks.
10.2 Operational Safety
- Adhere to voltage limitations to prevent overheating.
- Ensure proper grounding and termination methods.
11. References
Deutsche Bahn AG PH 416.0113 v.2.1 Standards
Feichun Installation Manuals
Railway Industry Testing Procedures
By choosing the Feichun A-2YOF(L)2YB2Y H145 Railway Signalling Cable, you invest in reliability, safety, and long-term performance. With its advanced design and robust construction, this cable is the ideal choice for modern railway systems.
Contact Feichun today to learn more about how this product can enhance your railway operations!
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Comprehensive Guide to Feichun A-2YOF(L)2YB2Y H145 Railway Signalling Cable Images
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