(ST) 3E NTSCGEWOEU 3/30 kV Medium Voltage Submersible Cable – Flexible Copper Shield Design

Waterproof, Flame Retardant & Oil Resistant Cable Solution

$10.00

Technical Specifications

Parameter

Description

Rated Voltage U0/U (Um) in kV

1.8/3 (3.6), 3.6/6 (7.2), 6/10 (12), 8.7/15 (17.5), 12/20 (24), 14/25 (29), 18/30 (36)

Test Voltage

6 kV to 43 kV based on rated voltage

Nominal Voltage U

3,000 V to 30,000 V based on rated voltage

Maximum Conductor Temperature

90 °C

Max Conductor Temperature at Short Circuit

250 °C

Ambient Temperature Range (Fixed)

–40 °C to +80 °C

Ambient Temperature Range (Flexible)

–25 °C to +60 °C

Conductor

Finely stranded tinned copper, class 5

Conductor Arrangement

Individual concentric conductors distributed over insulation of the three main cores

Insulation

Semi-conductive EPR rubber special compound 3GI3

Insulation Screen

Semi-conductive EPR

Inner Sheath

Special EPR compound, waterproof

Outer Sheath

Chlorinated polyethylene (CM/CPE), special compound 5GM3, waterproof

Mechanical Properties

Torsional stress: ±25°/m; Permanent tensile strength: 15 N/mm²

Bending Radius

6 × diameter (fixed installation); 10 × diameter (flexible operation)

Chemical and Environmental Resistance

Flame retardant, oil resistant, ozone resistant, UV resistant, seawater resistant

(ST) 3E NTSCGEWOEU I cable is a screened medium voltage power supply cable designed for water applications such as dredgers, floating docks, and pumps. It is constructed for use in demanding environments that experience high mechanical stresses, including sewage, salt water, and brackish water, with water depths reaching up to 500 meters. This cable design complies with VDE 0168 standards for dredging equipment, providing excellent durability and reliability in submerged and harsh conditions.

Standards and Certifications

  • DIN VDE 0250-813

  • DIN VDE 0298-4

  • MSHA P-189-4

  • DIN EN 60811-404 / IEC 60811-404

  • DIN EN 50525-2-21

  • GOST-R/-K/-B Fire Certificate of Russian Federation

  • DIN EN 60332-1-2 / IEC 60332-1-2


Product Features

  • Robust Screened Construction: Copper core shielding provides enhanced electrical safety and electromagnetic compatibility in submerged environments.

  • Designed for Water Use: Suitable for high mechanical stress applications in dredging, floating docks, and pumping equipment submerged up to 500 m.

  • Waterproof and Durable Sheathing: Special EPR inner sheath and chlorinated polyethylene outer sheath provide excellent waterproofing and resistance against harsh chemicals and UV exposure.

  • Wide Temperature Range: Performs reliably in extreme ambient temperatures from –40 °C to +80 °C.

  • Certified Standards Compliance: Meets international and regional standards for safety, fire resistance, and underwater application.


Application Areas

Power supply cable for underwater and floating mining and industrial machinery requiring copper core shielding, mechanical robustness, and waterproofing.


Installation and Maintenance

Recommended adherence to bending radius guidelines for fixed and flexible configurations. Regular inspections are essential to ensure waterproof integrity and mechanical protection for submerged cables.


Customization Services

Available in multiple voltage classes, conductor sizes, shielding configurations, and lengths tailored for specific underwater industrial applications.



Contact Us

For quotations, technical datasheets, and customized medium voltage flexible cable solutions for water applications, please contact our sales or technical teams.