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  • Tunnel Cable Parameter
  • Tunnel Cable Parameter

Tunnel Cable Parameter

Conductor material: copper, tinned copper

Conductor cross-sectional area: 2.5-300mm2

Insulation layer: EPDM

Sheath material: CR

Voltage level: low voltage, medium voltage, high voltage

Number of cores: single core, multi-core

Minimum bending radius: fixed installation greater than 6 times the outer diameter of the cable, dynamic greater than 8D

Tunnel Cable with Super Environmental Adaptability

Hengxun tunnel cable is specially designed for tunnel engineering. We have multiple series of tunnel cables suitable for your different projects. It uses high-quality pure copper as the conductor and is specially twisted. The sheath uses EPDM and is filled with water-blocking glue and non-woven fabric as a water-blocking layer, so that our tunnel cable can adapt to a variety of environments.

Tunnel Cable with Super Environmental Adaptability
Tunnel Cable That Is Easy To Install

Tunnel Cable That Is Easy To Install

Hengxun tunnel cable is 30% lighter than traditional PVC cable and can maintain high flexibility even in an environment of -20 degrees, making your installation more convenient. In addition, because the sheath is made of highly wear-resistant rubber material, the service life of the tunnel cable can be extended to a greater extent, saving your costs.

What causes tunnel cable breakage?

It is usually caused by multiple composite stresses of bending, torsion and vibration. It is recommended to optimize the wiring path, install anti-torsion rings and design the conductor twisting structure.

What type of tunnel cable should be selected for shield machine propulsion system?

It is recommended to use multi-core cables and install shielding structures to prevent electromagnetic interference.

Can an intelligent monitoring system be installed in the tunnel cable?

Of course, we can provide customization for you. We can add intelligent monitoring equipment such as optical fiber temperature measurement, online partial discharge detection, and mechanical stress sensors to the tunnel cable.

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