Technical Guide to Feichun LMGSGO VG95218T61 Light Marine Screened Cables
Specifications, Installation, and Applications in Maritime Environments
The Feichun LMGSGO VG95218T61 Halogen-free Light Marine Screened Cables are a premium solution for fixed installations on ships, both below deck and on open decks.
Designed for environments where space, weight, and safety are critical, these cables deliver high performance and compliance with stringent maritime standards.
Key features include:
- Light power applications, specifically tailored for marine settings.
- Exceptional electromagnetic compatibility (EMC) through robust screening.
- Durability against harsh marine environments, including seawater exposure and vibration.
- Halogen-free, low-smoke properties, ensuring safety in enclosed spaces.
These cables are ideal for light power distribution, control systems, and instrumentation in maritime environments.
1.2 Standards and Compliance
Feichun LMGSGO VG95218T61 cables comply with:
- VG 95218-61: A standard specifically for light marine power cables.
- BV 3400 Installation Requirements: Ensuring safe deployment in diverse ship locations.
- IEC Standards: Including IEC/EN 60332-1-2 for flame retardancy and IEC/EN 60754-1/2 for halogen-free properties.
- Approval from leading classification societies for maritime use.
2. Technical Construction
2.1 Cable Design
These cables are engineered to meet the demands of marine installations with:
| Component | Specification |
| Conductor | Plain, round stranded copper (VG 95218 part 61). |
| Insulation | Cross-linked Low Smoke Zero Halogen (LS0H). |
| Screen Construction | Bare copper braiding for EMC shielding. |
| Outer Sheath | Cross-linked polymer for durability. |
The combination of materials ensures resistance to fire, chemicals, and mechanical stresses.
2.2 EMC Protection System
Electromagnetic compatibility (EMC) is a critical feature for maritime applications where signal interference can disrupt operations.
| Feature | Benefit |
| Copper Braided Screen | High coverage for EMI/RFI shielding. |
| Grounding Requirements | Ensures safety and signal integrity. |
| Continuous Shield Bonding | Prevents interruptions in critical systems. |
3. Performance Parameters
3.1 Electrical Characteristics
| Parameter | Value |
| Voltage Rating (U0/U) | 300/500 V |
| Test Voltage | 2.5 kV |
| Max Conductor Temperature | 90°C |
| Short Circuit Temperature | 250°C |
The cables are designed for stable electrical performance under varying conditions, supporting long-term reliability.
3.2 Environmental Performance
| Parameter | Value |
| Operating Temperature | -15°C to +90°C |
| Laying Temperature | Minimum -15°C |
| Chemical Resistance | Oil, ozone, and seawater. |
These features ensure resilience against extreme marine environments, including temperature fluctuations and corrosive elements.
4. Safety Features
4.1 Fire Performance
The halogen-free, low-smoke design is critical for fire safety on ships.
| Standard | Description |
| IEC/EN 60332-1-2 | Flame retardant. |
| IEC/EN 61034-2 | Low smoke emission. |
| IEC/EN 60754-1/2 | Halogen-free, reducing toxicity. |
4.2 Chemical Resistance
| Feature | Benefit |
| Oil Resistance | Withstands marine oils. |
| Seawater Resistance | Prevents corrosion and degradation. |
| Ozone Resistance | Ensures durability in humid conditions. |
5. Installation Guidelines
5.1 Mechanical Requirements
| Specification | Requirement |
| Bending Radius | 5 × outer diameter (OD). |
| Tensile Strength | Max. 50 N/mm². |
5.2 EMC Installation Practices
| Step | Description |
| Screen Termination | Secure grounding to prevent interference. |
| EMC Gland Selection | Use glands for complete shielding. |
| Continuous Shield Bonding | Maintains uninterrupted protection. |
6. Maritime Applications
6.1 Installation Locations
| Area | Considerations |
| Open Decks | UV and saltwater resistance. |
| Engine Rooms | High-temperature tolerance. |
| Below Deck | Fire and moisture resistance. |
6.2 System Integration
The cables seamlessly integrate into:
- Light power distribution networks.
- Control systems and instrumentation.
- Emergency lighting circuits.
7. Common Installation Challenges
7.1 EMC-Related Issues
Maintaining EMC continuity is crucial. Solutions include:
- Ensuring proper grounding of screens.
- Using EMC-certified glands and connectors.
7.2 Environmental Considerations
Preventing environmental damage requires:
- Adequate sealing against moisture ingress.
- Using corrosion-resistant supports and fasteners.
8. Quality Assurance
8.1 Factory Testing
| Test | Objective |
| Voltage Withstand Testing | Verify electrical integrity. |
| Material Property Validation | Ensure compliance with VG 95218. |
8.2 Installation Testing
| Test | Purpose |
| EMC Effectiveness Testing | Confirm shielding performance. |
| Insulation Resistance Measurement | Ensure safety and reliability. |
9. Maintenance and Troubleshooting
9.1 Preventive Maintenance
Routine checks ensure long-term performance:
- Visual inspection for wear or damage.
- Testing screen continuity to avoid interference.
9.2 Problem Resolution
Common issues like conductor fatigue or EMC failure can be resolved through proper diagnostics and timely repairs.
10. Technical Reference
10.1 Compliance Documentation
- VG 95218-61: Core specifications.
- IEC Standards: Safety and performance benchmarks.
10.2 Installation Reference
- Cable selection criteria for specific maritime applications.
- Correction factors to account for environmental variables.
Conclusion
Feichun LMGSGO VG95218T61 cables combine lightweight design, robust performance, and superior safety for marine applications. With compliance to VG 95218-61 and industry-leading materials, these cables ensure reliable operations in the most challenging environments.
By choosing Feichun, you benefit from decades of expertise and a commitment to innovation in marine cable solutions. Contact us today to explore how these cables can enhance your maritime 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.
|
|
Technical Guide to Feichun LMGSGO VG95218T61 Light Marine Screened Cables For Specifications, Installation, and Applications in Maritime Environments Images
|
