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(N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable
(N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable

(N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable

The (N)TSCGECEWOU 3.6/6kV, 6/10kV, 8.7/15kV, and 12/20kV Submersible Cable is a medium voltage flexible cable engineered for long-term underwater and humid environment applications. It features Class 5 tinned copper conductors, EPR insulation, halogen-free flame-retardant waterproof sheath, and copper wire braided shielding. Compliant with VDE 0250 standards, it delivers outstanding water resistance (up to 300m depth), mechanical strength, and oil & abrasion resistance, making it ideal for mining, dredging, pumps, and marine equipment.
Voltage Rating Uo/U 3.6/6kV | 6/10kV | 8.7/15kV | 12/20kV
Test Voltage 3.6/6kV: 11kV
6/10kV: 17kV
8.7/15kV: 24kV
12/20kV: 29kV
Temperature Rating Fixed: -40°C to +80°C
Flexed: -25°C to +60°C
Minimum Bending Radius Fixed: 6 x overall diameter
Flexed: 10 x overall diameter
Maximum Permissible Water Temperature +40°C
Submersible 300mtr
Construction
Technical Specifications
Quality Control
Application

Construction

(N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable Constrution
(N)TSCGECEWOU -  3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable

Phase Conductor

Class 5 tinned copper conductor

Insulation

Rubber compound

Protective Earth Conductor

Individual copper wire braid

Central Filler

Rubber compound on a polyester textile support

Inner Sheath

EPR rubber compound with waterproofing

Outer Sheath

CM rubber compound waterproofing

Sheath Colour

Black

Manufacturer Standard

VDE 0250 Part 813, VDE 0295, EN 60228

Flame Retardant

IEC/EN 60332-1-2

Semi-Conductive Layers

Semi-conductive tape over the conductor and inner and outer
Semi-conductive rubber layer on the insulation

Application

(N)TSCGECEWOU 3.6/6kV and 6/10kV submersible cables are suitable for long-term immersion in saltwater or brackish water environments up to 300 meters deep, such as pumps, dredgers, and floating docks. The cables are also suitable for towing operations in open-pit mining equipment and are suitable for use in harsh indoor and outdoor environments.

Technical Specifications

(N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable
(N)TSCGECEWOU 3.6/6kV Submersible Cable
(N)TSCGECEWOU 6/10kV Submersible Cable
(N)TSCGECEWOU 8.7/15kV Submersible Cable
(N)TSCGECEWOU 12/20kV Submersible Cable

No. Of Cores
(PHASE+EARH)

Nominal Cross Sectional Area
mm²

CONDUCTOR

DIAMETER

MINIMUM OVERALL

DIAMETER

MAXIMUM OVERALL

DIAMETER

MAXIMUM

TENSILE LOAD

NOMINAL

WEIGHT

Phase N

Conductor

Earth

Conductor

mm mm mm N kg/km
3+3 25 25/3E 6.8 43.4 45.1 1125 2830
3+3 35 25/3E 7.8 45 46.7 1575 3180
3+3 50 25/3E 9.4 48.1 49.8 2250 3830
3+3 70 35/3E 11.2 53.7 55.5 3150 4960
3+3 95 50/3E 12.7 58.4 60.2 4257 6170
3+3 120 70/3E 14.4 62.9 65.2 5400 7540
3+3 150 70/3E 16.3 69.3 71.7 6750 9050
3+3 185 95/3E 17.6 72.1 74.5 8325 10350

No. Of Cores
(PHASE+EARH)

Nominal Cross Sectional Area
mm²

CONDUCTOR

DIAMETER

MINIMUM OVERALL

DIAMETER

MAXIMUM OVERALL

DIAMETER

MAXIMUM

TENSILE LOAD

NOMINAL

WEIGHT

Phase N

Conductor

Earth

Conductor

mm mm mm N kg/km
3+3 25 25/3E 6.8 43.4 45.7 1125 2870
3+3 35 25/3E 7.8 45 47.3 1575 3220
3+3 50 25/3E 9.4 48.1 50.4 2250 3870
3+3 70 35/3E 11.2 53.7 56.1 3150 5000
3+3 95 50/3E 12.7 58.4 60.8 4257 6210
3+3 120 70/3E 14.4 62.9 65.9 5400 7580
3+3 150 70/3E 16.3 69.3 72.4 6750 9090
3+3 185 95/3E 17.6 72.1 75.2 8325 10390

No. Of Cores
(PHASE+EARH)

Nominal Cross Sectional Area
mm²

CONDUCTOR

DIAMETER

MINIMUM OVERALL

DIAMETER

MAXIMUM OVERALL

DIAMETER

MAXIMUM

TENSILE LOAD

NOMINAL

WEIGHT

Phase N

Conductor

Earth

Conductor

mm mm mm N kg/km
3+3 25 25/3E 6.8 49.4 51.2 1125 3430
3+3 35 25/3E 7.8 50.9 52.7 1575 3800
3+3 50 25/3E 9.4 55.8 57.6 2250 4700
3+3 70 35/3E 11.2 59.6 61.4 3150 5670
3+3 95 50/3E 12.7 63.3 65.6 4257 6830
3+3 120 70/3E 14.4 69.8 72.2 5400 8520

No. Of Cores
(PHASE+EARH)

Nominal Cross Sectional Area
mm²

CONDUCTOR

DIAMETER

MINIMUM OVERALL

DIAMETER

MAXIMUM OVERALL

DIAMETER

MAXIMUM

TENSILE LOAD

NOMINAL

WEIGHT

Phase N

Conductor

Earth

Conductor

mm mm mm N kg/km
3+3 25 25/3E 6.8 55.9 57.7 1125 4160
3+3 35 25/3E 7.8 57.3 59.1 1575 4560
3+3 50 25/3E 9.4 60.5 62.3 2250 5300
3+3 70 35/3E 11.2 66.1 67.9 3150 6580
3+3 95 50/3E 12.7 69.8 72.2 4257 7740

Quality Control

(N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable
(N)TSCGECEWOU -  3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable Raw Material Test

Raw Material Test

NPC has always chosen raw material suppliers who have a good reputation, possess stable supply capabilities and have passed international quality system certifications (such as ISO 9001). And establish a long-term cooperative relationship with it, forming a stable and reliable raw material supply chain.
We will ensure that all raw materials are subject to strict inspection procedures upon entry to the factory, and can only be stored in the warehouse after they have been confirmed to meet the standards.

(N)TSCGECEWOU -  3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable Process inspection

Process inspection

NPC has strict quality control procedures for each process in the cable production process.
Process documents: Develop detailed process flow and operation instructions to clarify the operating specifications and quality standards of each process.
Equipment calibration: Regularly calibrate key equipment such as wire drawing machines, stranding machines, extruders, and diameter gauges to ensure that the accuracy meets the requirements.
First piece confirmation: Before each batch of production, the first piece is trial-produced to confirm that the process parameters, product dimensions, electrical performance, etc. meet the standards before mass production can be carried out.

(N)TSCGECEWOU -  3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable Finished Product

Finished Product

Inspectors conduct ex-factory inspections on cables according to relevant standards and corresponding product inspection specifications to ensure that each ex-factory product complies with the process regulations.

Application

(N)TSCGECEWOU 3.6/6kV, 6/10kV, 8.7/15kV, and 12/20kV submersible cables are suitable for long-term immersion in saltwater or brackish water environments up to 300 meters deep, such as pumps, dredgers, and floating docks.

Technical Advantages

● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions

Product Packaging

Wires and Cables packaging (1)
Wires and Cables packaging (1)
Wires and Cables packaging (2)
Wires and Cables packaging (2)
Wires and Cables packaging (3)
Wires and Cables packaging (3)
Wires and Cables packaging (4)
Wires and Cables packaging (4)
Wires and Cables packaging (5)
Wires and Cables packaging (5)
Wires and Cables packaging (6)
Wires and Cables packaging (6)
Wires and Cables packaging (7)
Wires and Cables packaging (7)
Wires and Cables packaging (8)
Wires and Cables packaging (8)

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FAQ From Customers

What are the advantages of power cables and overhead lines?
(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people;
(2) The maintenance workload is small and frequent inspections are not required;
(3) No need to erect towers;
(4) Help improve power factor.
Which aspects should be considered when choosing the cross section of a power cable?
(1) The long-term allowable working current of the cable;
(2) Thermal stability once short circuited;
(3) The voltage drop on the line cannot exceed the allowable working range.
What are the measures for cable fire prevention?
(1) Use flame-retardant cables;
(2) Use fireproof cable tray;
(3) Use fireproof paint;
(4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.;
(5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
What should be paid attention to during the transportation and handling of cables?
(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat.
(2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
What inspections should be carried out for the acceptance of cable lines?
(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear;
(2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements;
(3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements;
(4) Good grounding;
(5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted;
(6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.

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