(N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable
The (N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable is a robust, flexible medium-voltage cable optimized for full submersion in mining and industrial water environments. It comprises class 5 tinned copper conductors for corrosion resistance, semi-conductive screens, EPR insulation for reliable dielectric and thermal properties (90°C rating), copper braid screen for shielding, control/monitoring conductors, and a high-performance watertight rubber outer sheath incorporating water-blocking elements to resist high hydrostatic pressure and prevent longitudinal/transverse water ingress. Compliant with DIN VDE 0250 and IEC standards, it provides excellent mechanical strength, flame retardancy, oil/chemical resistance, and flexibility for dynamic submersible use. The (N)TSCGEWOU Submersible is ideal for reliable power delivery to submersible pumps, dredgers, and underwater equipment in flooded mines, tunnels, and offshore applications.
- 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 +80°C -
Minimum Bending Radius
Fixed: 6 x overall diameter
Flexed: 10 x overall diameter - Maximum Permissible Water Temperature 8.7/15kV - 12/20kV : +40°C
Construction
Technical Specifications
Quality Control
Application
Construction
(N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable Constrution
Phase Conductor
Class 5 tinned copper conductor
Insulation
Rubber compound
Earth Conductor
Class 5 tinned copper conductor
Central Filler
Semi-conductive compound on a polyester textile support
Inner Sheath
EPR rubber compound waterproofing
Outer Sheath
M rubber compound waterproofing
Sheath Colour
Black
Manufacturer Standard
VDE 0250 Part 813, HD 22.16, 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
Semi-conductive rubber layer on the insulation
Application
(N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV, and 12/20kV submersible cables are designed for powering equipment subjected to high mechanical stresses and subjected to long-term immersion in saltwater or brackish water up to a depth of 300 meters, such as pumps, dredgers, and floating docks.
Technical Specifications
(N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable
(N)TSCGEWOU 3.6/6kV Submersible Cable
(N)TSCGEWOU 6/10kV Submersible Cable
(N)TSCGEWOU 8.7/15kV Submersible Cable
(N)TSCGEWOU 12/20kV Submersible Cable
|
No. Of Cores |
Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
MAXIMUM TENSILE LOAD |
NOMINAL WEIGHT |
|
|
Phase Conductor |
Earth Conductor |
mm | mm | mm | N | kg/km | |
| 3+3 | 25 | 25/3 | 6.8 | 39.9 | 41.6 | 1500 | 2580 |
| 3+3 | 35 | 25/3 | 7.8 | 42.9 | 44.6 | 2100 | 3080 |
| 3+3 | 50 | 25/3 | 9.4 | 46 | 47.7 | 3000 | 3710 |
| 3+3 | 70 | 35/3 | 11.2 | 49.8 | 51.6 | 4200 | 4570 |
| 3+3 | 95 | 50/3 | 12.7 | 55.8 | 57.6 | 5700 | 5880 |
| 3+3 | 120 | 70/3 | 14.4 | 59.6 | 61.4 | 7200 | 7140 |
| 3+3 | 150 | 70/3 | 16.3 | 66 | 68.3 | 9000 | 8690 |
| 3+3 | 185 | 95/3 | 17.6 | 67.9 | 70.2 | 11100 | 9890 |
|
No. Of Cores |
Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
MAXIMUM TENSILE LOAD |
NOMINAL WEIGHT |
|
|
Phase Conductor |
Earth Conductor |
mm | mm | mm | N | kg/km | |
| 3+3 | 25 | 25/3 | 6.8 | 39.9 | 42.2 | 1500 | 2620 |
| 3+3 | 35 | 25/3 | 7.8 | 42.9 | 45.2 | 2100 | 3120 |
| 3+3 | 50 | 25/3 | 9.4 | 46 | 48.3 | 3000 | 3750 |
| 3+3 | 70 | 35/3 | 11.2 | 49.8 | 52.2 | 4200 | 4710 |
| 3+3 | 95 | 50/3 | 12.7 | 55.8 | 58.2 | 5700 | 5920 |
| 3+3 | 120 | 70/3 | 14.4 | 59.6 | 62.1 | 7200 | 7180 |
| 3+3 | 150 | 70/3 | 16.3 | 66 | 69 | 9000 | 8730 |
| 3+3 | 185 | 95/3 | 17.6 | 67.9 | 70.9 | 11100 | 9930 |
|
No. Of Cores |
Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
MAXIMUM TENSILE LOAD |
NOMINAL WEIGHT |
|
|
Phase Conductor |
Earth Conductor |
mm | mm | mm | N | kg/km | |
| 3+3 | 25 | 25/3 | 6.8 | 47.3 | 49 | 1500 | 3310 |
| 3+3 | 35 | 25/3 | 7.8 | 48.8 | 50.6 | 2100 | 3680 |
| 3+3 | 50 | 25/3 | 9.4 | 53.7 | 55.5 | 3000 | 4580 |
| 3+3 | 70 | 35/3 | 11.2 | 57.5 | 59.3 | 4200 | 5600 |
| 3+3 | 95 | 50/3 | 12.7 | 60.8 | 63.1 | 5700 | 6550 |
| 3+3 | 120 | 70/3 | 14.4 | 66.4 | 68.7 | 7200 | 8130 |
| 3+3 | 150 | 70/3 | 16.3 | 71 | 73.4 | 9000 | 9460 |
| 3+3 | 185 | 95/3 | 17.6 | 73.1 | 75.5 | 11100 | 10700 |
|
No. Of Cores |
Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
MAXIMUM TENSILE LOAD |
NOMINAL WEIGHT |
|
|
Phase Conductor |
Earth Conductor |
mm | mm | mm | N | kg/km | |
| 3+3 | 25 | 25/3 | 6.8 | 52 | 53.8 | 1500 | 3830 |
| 3+3 | 35 | 25/3 | 7.8 | 55.2 | 57 | 2100 | 4440 |
| 3+3 | 50 | 25/3 | 9.4 | 58.4 | 60.2 | 3000 | 5170 |
| 3+3 | 70 | 35/3 | 11.2 | 62.1 | 64.4 | 4200 | 6250 |
| 3+3 | 95 | 50/3 | 12.7 | 67.2 | 69.5 | 5700 | 7480 |
| 3+3 | 120 | 70/3 | 14.4 | 71 | 73.4 | 7200 | 8840 |
Quality Control
(N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable
Raw Material Test
Raw Material Test for (N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable focuses on submersible watertight quality. Steps include: Certification Check: Tinned copper and EPR/rubber sheath verified to VDE 0250/IEC for submersible use. Conductor Testing: Tensile, elongation, conductivity, tin coating for corrosion resistance. Insulation Evaluation: EPR dielectric/thermal properties, low water absorption. Sheath & Blocking Assessment: Watertight rubber for pressure resistance, water penetration, oil/chemical tolerance, flame retardancy. Screen & Monitoring Check: Braid coverage/conductivity; monitoring continuity in wet conditions. Batch Rejection: Non-compliant quarantined. Approved materials secure the (N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable's watertight performance.
Process inspection
Process Inspection for (N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable enforces watertight assembly. The procedure features: Stranding Control: Uniform tinned copper stranding. Extrusion Monitoring: Semi-conductive screens, EPR insulation with defect detection. Screening & Assembly: Precise braid and monitoring integration. Water-Blocking: Apply blocking elements. Sheath Extrusion: Watertight rubber applied with adhesion checks. Deviation Handling: Immediate corrections. This guarantees the (N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable maintains submersible integrity.
Finished Product
Finished Product Test validates the (N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV, and 12/20kV Submersible Cable for submersion. Steps include: Inspection: Visual/dimensional/marking verification. Electrical: Resistance, insulation, withstand (11–29kV), partial discharge. Water & Pressure: Penetration (IEC 60055), hydrostatic simulation. Mechanical: Bending, tensile, and abrasion resistance. Performance: Oil/flame/thermal aging checks. Release: Only passing (N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV, and 12/20kV Submersible Cable approved for reliable submersible use.
Application
Ideal for (N)TSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable in mining dewatering pumps, flooded tunnel power supplies, offshore/subsea dredging equipment, submersible industrial pumps, and high-pressure water immersion applications demanding watertight, flexible MV cable with monitoring.
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 (2)
Wires and Cables packaging (3)
Wires and Cables packaging (4)
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Wires and Cables packaging (7)
Wires and Cables packaging (8)
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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.
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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.
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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.
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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.
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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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