CABLES FOR TUNNELS

A trusted manufacturer for all your tunnel cabling solutions
Tunnel cables

 

Cable solutions for tunnels

At Top Cable, we provide a wide range of cables for tunnel infrastructure. Our services include careful manufacturing, project management with our technical experts, timely delivery, and excellent after-sales support.

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Typical applications of CABLES FOR TUNNELS

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Emergency power and life safety Detection systems

Emergency power and life safety circuits
During a fire in a tunnel, emergency power and critical circuits must remain operational to power life safety systems including signaling lights, fume extractors, acoustic alarms, and water pumps for safe evacuation.

Fire alarm and detection systems
Ensuring the operational integrity of detection and alarm panels to provide early warning under extreme conditions.
Emergency power and life safety

Emergency power and life safety circuits
During a fire in a tunnel, emergency power and critical circuits must remain operational to power life safety systems including signaling lights, fume extractors, acoustic alarms, and water pumps for safe evacuation.
Detection systems

Fire alarm and detection systems
Ensuring the operational integrity of detection and alarm panels to provide early warning under extreme conditions.

A complete solution from Top Cable

  • High quality cable manufacturer
    Cable manufacturer Top Cable is one of Europe's leading cable manufacturers which excels in providing best-in-class service.
  • Large
    cable stock
    Large cable stock Our large cable stock is always ready to be shipped around the globe.
  • Quality and
    Certificates
    Quality/Certificates In our state-of-the-art laboratories we subject our cables to stringent product testing and quality controls.
  • Best-in-class-service
    Best-in-class-service A friendly and efficient sales team and our excellent logistics will satisfy your cable requirements.

CABLES FOR TUNNELS

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Why choose our cables for tunnels?

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    Cables specifically designed for tunnels

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    Trusted Quality: cables from a recognized manufacturer

  • Technical expert support and after-sales service

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    Cost-effectiveness

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    Enhanced flexibility

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    Premium service and global logistics

Contact our Team of Experts

FAQs (Frequently Asked Questions) about cables fo water treatment

Yes. We have supplied cables to major road, rail, and metro tunnel projects internationally. Our project engineering team can review specifications, provide technical submittals, and support the approval process with engineers and main contractors.

Tunnel cables must meet stringent fire performance requirements. We supply cables IEC 60332-3 / CPR Euroclass B2ca-s1a,d1,a1 for road and utility tunnels.

Yes. Our fire-resistant cables are engineered to keep critical tunnel systems — including ventilation, emergency lighting, and evacuation systems — fully operational throughout a fire event. Manufactured to IEC 60502-1, they are tested and certified to the following fire performance standards:

  • IEC 60331-2 / EN 50200 — Fire resistance (PH120): minimum 120 minutes at 840°C for cable diameters ≤ 20mm.
  • IEC 60331-1 / EN 50362 — Fire resistance (PH120): minimum 120 minutes at 840°C for cable diameters > 20mm.
  • BS 6387 Categories C, W & Z — Fire resistance Category C: 180 minutes at 950°C.
  • NBN S21-300-1 — Fire resistance Category Rf 1h30 or Rf 1h, depending on cross-section.
  • EN 50575 (CPR) — Reaction to fire: B2ca-s1a,d1,a1 or Cca-s1b,d1,a1, depending on cross-section.
  • EN 60754-1 / IEC 60754-1 — Halogen-free.
  • EN 60754-2 / IEC 60754-2 — Low corrosive gas emission.
  • EN 61034 / IEC 61034 — Low smoke emission with light transmittance exceeding 60%

Yes. We supply cables tailored to each tunnel type, meeting the specific standards for road tunnels (EN 50575 CPR Euroclass B2ca-s1a,d1,a1), rail tunnels and metro/underground railways (local transport authority specifications).

Our tunnel cables use specially tested sheath compounds that resist the mechanical stress and temperature cycling generated by high-velocity jet fan airflows, without contributing to fire spread.

Our tunnel cables feature moisture-resistant insulation and outer sheaths, with options including water-blocking tapes and longitudinal water-sealing for installations subject to persistent humidity and water ingress.

Yes. We supply 3.6/6kV and 6/10kV MV distribution cables for tunnel longitudinal power networks feeding transformer substations along the tunnel length.

Tunnel emergency systems need circuit integrity in fire. Top Cable’s TOXFREE PLUS 331 RZ1-K (AS+) keeps power flowing for 120 min at 840C (IEC 60331-2 / EN 50200) and 180 min at 950C (BS6387 cat C).

Enclosed metro tunnels require halogen-free, low-smoke cable. Top Cable’s TOXFREE LSZH range (CPR Cca/B2ca) limits toxic smoke and aids evacuation.

Ventilation and fume-extraction circuits that must run during a fire use fire-resistant cable. Top Cable’s TOXFREE PLUS 331 (AS+) maintains supply to fans and dampers.

Circuit integrity means the cable keeps conducting while burning. Top Cable’s TOXFREE PLUS 331 (AS+) uses a mica-tape plus XLPE construction certified to IEC 60331.

Top Cable’s TOXFREE N2XH LSZH cable (halogen-free per EN 60754-1, low smoke per EN 61034, CPR Cca/B2ca) is suited to underground rail tunnels.

Emergency lighting must stay lit during a fire. Top Cable’s TOXFREE PLUS 331 (AS+) fire-resistant cable guarantees supply to luminaires and signage for 120+ minutes.

Top Cable’s TOXFREE (AS) cables meet IEC/EN 60332-3 bunched-cable fire non-propagation, the flame-spread requirement for tunnel cable trays.

For tunnel ventilation and life-safety circuits Top Cable pairs fire-resistant TOXFREE PLUS 331 (AS+) for critical loads with LSZH TOXFREE for non-critical runs.

European tunnel cable is assessed by CPR reaction-to-fire (EN 50575) plus fire resistance (IEC 60331 / EN 50200). Top Cable’s TOXFREE and TOXFREE PLUS 331 cover both.

Top Cable manufactures TOXFREE LSZH and TOXFREE PLUS 331 fire-resistant cables specified for road and metro tunnels worldwide.

Questions? We’ll help you find a solution.