Deep Sea Mining Umbilical Cable 

Central Kevlar Core+ High-Tensile Steel Wire

Key Features

Tensile Strength: from 20 to 80 tonnes (depending on armor layers)

Operating Depth: up to 2,500 m

Rated Voltage: 3.6/6 kV up to 12/20 kV (medium voltage, suitable for subsea mining power systems) 

Fiber Optic Channels: 6 to 24 single mode fibers, multi fibers

Core Process: double layer torque, balanced steel wire armor + extruded polyurethane sheath.

Conductor Cross: 1.5 mm² to 120 mm² (copper, Class 5 flexibility)

Other Options: hydraulic lines, integrated strain gauges, bend restrictors, custom length markings

Corrosion Resistance: individual zinc + polymer coating on each steel wire – resistant to seawater, H₂S, abrasion, and UV light

Specifications

Conductor：Tinned Copper Wire. 

Insulation： EPR, DPEM

Core Structure：anti-twist layering, grouped gap filling, twisted pairs, and layered binding

Optical Fiber：Single-Mode/Multi-Mode

Shielding： A combination of tinned copper braid provides 360° EMI/RFI shielding

Tensile Member：Central Kevlar Core, Interstitial Kevlar Fill, High-Tensile Steel Wire

Working Voltage: 300V ~ 15 kV (for higher voltage, please contact )

Insulation Resistance: ≥20 MΩ·km (at 20°C）

Operating Temperature: -40°C to +90°C

Applications

Offshore Platform Interconnect

Subsea Mining Operations

Ordering Information

MOQ: project-based negotiation

Standard Lead Time: 6-8 weeks after order confirmation

Customization: Fully supported

How Custom Cable Development Works