Cable management systems designed for metro stations, underground transit tunnels, platform infrastructure, depot facilities, traction power distribution, and railway communication networks.
Engineered for high-density urban transit environments requiring fire-safe routing, vibration resistance, operational continuity, and efficient cable segregation across complex metro electrical infrastructure.
Scene Challenge
Limited Maintenance Windows in Operating Metro Systems
Metro systems operate continuously with restricted nighttime shutdown periods. Cable management systems must support rapid installation, phased expansion, and maintenance accessibility within short construction windows.
Dense Multi-System Routing in Underground Stations
Metro stations integrate traction power, signaling, communication, SCADA, PSD systems, CCTV, public announcement systems, and emergency circuits within highly congested ceiling and equipment spaces.
Improper segregation increases EMI interference risk and maintenance complexity.
Tunnel Humidity and Corrosion Exposure
Underground metro environments maintain elevated humidity levels with limited ventilation. Electrical support systems must resist long-term corrosion while maintaining structural stability in enclosed tunnel conditions.
Fire and Passenger Evacuation Requirements
Metro infrastructure requires strict fire safety performance to support emergency evacuation and operational reliability.
Cable support systems must comply with low smoke and flame propagation requirements in accordance with railway fire protection standards.
Solution Overview
Metro Electrical Infrastructure Layout
Traction Substation
↓
Station Main Electrical Room
↓
────────────────────────────────────
│ │ │
↓ ↓ ↓
Traction Signaling & Station ELV
Power Communication Systems
│ │ │
────────────────────────────────────
↓
Underground Tunnel Routing
↓
Platform Equipment / PSD / Lighting
↓
Depot & Maintenance Facilities
1. Traction Power Backbone Systems
Application Area
Traction substations, main power corridors, metro backbone electrical routing
Recommended System
- Heavy-duty cable ladder systems
Key Parameters
- Load capacity up to 200 kg/m
- Long-span installation support
- Hot-dip galvanized or aluminum construction
- Grounding continuity capability
- Recommended For
- High-current traction power systems requiring reliable ventilation, maintenance access, and long-distance routing stability.
Related Products
- Heavy Duty Cable Ladder
- HDG Cable Ladder
- Aluminum Ladder Systems
2. Underground Tunnel Cable Routing
Application Area
Metro tunnels, underground electrical corridors, evacuation passages
Recommended System
- Tunnel-mounted cable support systems and fire-resistant trays
Key Parameters
- Sidewall-mounted configuration
- Corrosion-resistant surface treatment
- Fire-safe routing support
- Compact installation structure
- Recommended For
- Restricted underground tunnel environments requiring stable cable routing and long-term operational reliability.
Related Products
- Tunnel Cable Brackets
- Fire-Resistant Cable Tray
- Tunnel Support Arms
3. Signaling and Communication Systems
Application Area
SCADA networks, signaling rooms, communication systems, PSD control systems
Recommended System
- Partitioned perforated tray systems and wire mesh trays
Key Parameters
- EMI segregation support
- Flexible branch routing
- Divider-compatible structure
- Lightweight installation
- Recommended For
- Signal-sensitive low-voltage systems requiring organized routing and simplified future expansion.
Related Products
- Partition Cable Tray
- Wire Mesh Cable Tray
- ELV Routing Systems
4. Station Platform and Public Area Distribution
Application Area
Station ceilings, platform electrical rooms, passenger service areas
Recommended System
- Perforated cable tray systems with removable covers
Key Parameters
- Dense branch-circuit routing support
- Integrated maintenance accessibility
- Indoor corrosion class C2–C3
- Optional powder-coated finish
- Recommended For
- Passenger-area electrical distribution requiring organized cable management and simplified maintenance operations.
Related Products
- Perforated Cable Tray
- Covered Tray Systems
- Indoor Electrical Support Systems
5. Depot and Maintenance Facility Infrastructure
Application Area
Metro depots, maintenance workshops, equipment service facilities
Recommended System
- Medium-duty ladder and tray systems
Key Parameters
- Mechanical impact resistance
- Flexible support layout
- Modular installation structure
- Easy retrofit capability
- Recommended For
- Maintenance-intensive environments requiring scalable electrical infrastructure support.
Related Products
- Medium Duty Ladder
- Industrial Cable Tray
- Maintenance Workshop Support Systems
Related Products
| Product Type | Recommended Material | Core Parameters | Compliance | Why Recommended |
|---|---|---|---|---|
| Heavy Duty Cable Ladder | HDG Steel | 200 kg/m load, 6 m span | IEC 61537 | Suitable for metro traction power routing |
| Tunnel Cable Bracket | HDG Steel | Sidewall heavy-duty support | EN ISO 12944 | Optimized for underground tunnel installation |
| Fire-Resistant Cable Tray | Galvanized Steel | Fire-rated support structure | IEC 60332 / EN 45545 | Recommended for emergency systems |
| Partition Cable Tray | Steel / Aluminum | EMI segregation support | IEC | Suitable for signaling systems |
| Wire Mesh Cable Tray | Steel Wire | Flexible low-voltage routing | CE / IEC | Ideal for communication networks |
| Perforated Cable Tray | Pre-Galvanized Steel | Dense branch routing | IEC 61537 | Suitable for metro station ceilings |
| Covered Cable Tray | HDG Steel | Dust and mechanical protection | IEC | Protects metro control circuits |
| Aluminum Ladder System | Aluminum Alloy | Lightweight corrosion resistance | IEC | Reduces installation load in elevated areas |
Suggested Filter Options
- Installation Area: Tunnel / Station / Depot / Platform
- Material: HDG Steel / Aluminum / Stainless Steel
- System Type: Ladder / Tray / Wire Mesh
- Compliance: Fire Rated / IEC / EN 45545
Technical Certifications
IEC 61537 — Cable Tray and Ladder Systems
Defines load capacity, structural performance, and electrical continuity requirements for metro cable management systems.
EN 45545 — Railway Fire Protection Standard
Specifies fire safety and smoke emission requirements for materials used in metro and railway environments.
IEC 60332 — Flame Propagation Test
Supports fire-safe installation requirements for underground stations and tunnel evacuation environments.
IEC 61373 — Railway Shock and Vibration Standard
Relevant for cable support systems exposed to train vibration and dynamic railway operating conditions.
EN ISO 12944 — Corrosion Protection Standard
Defines corrosion resistance performance for humid underground metro environments and enclosed transit infrastructure.
Project Cases
Underground Metro Line Expansion Project — Southeast Asia
Project Scope
Underground metro stations and tunnel electrical infrastructure systems
System Supplied
- Tunnel cable support systems
- Fire-resistant cable trays
- Signaling segregation systems
- Project Data
- 64 km metro cable routing installed
- More than 26,000 tunnel support components supplied
- Tunnel installation efficiency improved by 29%
- Fire compliance verification completed
- Result
- The modular routing system simplified underground installation coordination across multiple metro construction phases.
Urban Metro Depot Infrastructure Project — Middle East
Project Scope
Metro depot electrical distribution and maintenance workshop systems
System Supplied
- Heavy-duty cable ladders
- Covered tray systems
- Communication routing systems
- Project Data
- 31 km electrical routing infrastructure installed
- Designed for high-vibration railway operating environments
- Improved maintenance accessibility after system upgrade
- Complied with EN 45545 fire safety requirements
- Result
- The optimized support layout improved long-term maintenance efficiency within depot operating environments.
Download
Technical Resources
- Metro Cable Routing Selection Guide
- Underground Tunnel Installation Drawings
- Metro Signaling Segregation Layout Guide
- EN 45545 Fire Compliance Documentation
- Metro Infrastructure BIM Files
- CTA — Next Step Actions
- Consult Metro Infrastructure Selection
- Discuss tunnel conditions, station layouts, and traction power routing requirements with our engineering team.
- Request Metro Project Samples
- Apply for tunnel bracket, fire-resistant tray, or corrosion-protection material samples.
- Download Metro System Manual
- Access metro-specific installation standards and cable routing documentation.