(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 flexible, heavy-duty medium-voltage cable designed for submersible applications in mining, tunneling, and industrial water environments. It features class 5 finely stranded tinned copper conductors for flexibility and corrosion resistance, semi-conductive conductor and insulation screens, EPR (ethylene propylene rubber) insulation for superior dielectric strength and 90°C continuous rating, copper braid screen for EMI protection and grounding, control/monitoring conductors, and a watertight, abrasion-resistant rubber outer sheath (e.g., 5GM5 type) that prevents water ingress up to high pressures (e.g., 50 bar). Compliant with DIN VDE 0250 and relevant IEC standards, it offers high mechanical strength, longitudinal water blocking, and resistance to oils, chemicals, and flames. Suitable for submersible pumps, dredgers, and underwater equipment, the (N)TSCGECEWOU Submersible ensures reliable power transmission in submerged conditions with minimal maintenance.
- 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
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
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 |
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 |
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 |
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 |
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
Raw Material Test
Raw Material Test for (N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV, and 12/20kV Submersible Cable guarantees submersible-grade quality and water resistance. The rigorous process includes: Supplier Certification Review: Verify class 5 tinned copper meets DIN EN 60228/IEC 60228 for purity (>99.9% Cu), stranding, and tin coating to enhance corrosion resistance in wet environments; EPR insulation and watertight rubber sheath compounds certified to VDE 0250 for submersible specs. Conductor Analysis: Test tinned copper for tensile strength (>200 MPa), elongation (>20%), conductivity (≥97% IACS), and tin layer thickness to ensure durability underwater. Semi-Conductive & Insulation Testing: Semi-conductive layers checked for resistivity, adhesion, and water-blocking properties;
Process inspection
Process Inspection during manufacturing of (N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable ensures watertight construction and defect-free production. Steps include: Conductor Stranding: Monitor class 5 stranding for uniform lay length, compactness, and flexibility using online gauges to maintain submersible integrity. Layer Extrusion: Apply semi-conductive screens and EPR insulation at controlled thicknesses; inline scanners, spark testers, and eccentricity monitors detect voids or defects that could compromise water resistance. Screening & Assembly: Braid copper wires with precise coverage/tension for effective shielding; integrate control/monitoring conductors under water-blocking tapes. Water-Blocking & Sheath Extrusion: Apply longitudinal water-blocking compounds and extrude watertight rubber sheath; real-time checks on thickness, adhesion, and pressure sealing.
Finished Product
Finished Product Test verifies that the (N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV, and 12/20kV Submersible Cable meets submersible standards before shipment. The comprehensive procedure includes: Visual & Dimensional Inspection: Examine the full reel for surface defects, uniformity, markings, and measure outer diameter/weight per meter. Electrical Tests: Perform DC resistance, insulation resistance (>1000 MΩ·km), high-voltage withstand (e.g., 11kV for 3.6/6kV, 17kV for 6/10kV, 24kV for 8.7/15kV, 29kV for 12/20kV/5 min), partial discharge, and screen/monitoring continuity per VDE/IEC. Mechanical Evaluation: Test bending radius (6–8× OD), tensile strength, abrasion, tear resistance, and pressure withstand (e.g., 50 bar). Water Resistance & Sheath Performance: Conduct longitudinal water penetration (IEC 60055, 1 bar/14 days), oil immersion, flame retardancy (IEC 60332)
Application
The (N)TSCGECEWOU - 3.6/6kV, 6/10kV, 8.7/15kV and 12/20kV Submersible Cable is ideal for submersible pumps in mining dewatering, underwater tunneling equipment, offshore dredgers, subsea power feeds, and industrial water immersion applications requiring watertight, flexible MV cable with high pressure resistance and 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)
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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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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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