NTSCGECECWOU 3.6/6kV and 6/10kV Cable
The NTSCGECECWOU 3.6/6kV and 6/10kV cable is a flexible medium voltage power cable manufactured to VDE 0250 Part 813 standards, designed for reeling and trailing applications in mining, tunneling, and other demanding industrial environments. Constructed with Class 5 tinned copper conductors, EPR insulation, and a robust halogen-free sheath, it delivers exceptional mechanical strength, flame retardancy, oil resistance, and flexibility. Its copper wire screen ensures EMC protection, while the rugged sheath withstands extreme temperatures, making it suitable for both indoor and outdoor installations in harsh conditions.
- Voltage Rating Uo/U 3.6/6kV | 6/10kV
-
Test Voltage
3.6/6kV: 11kV
6/10kV: 17kV -
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 Short Circuit Temperature +250°C
- Maximum Torsional Stress ±25°/m
Construction
Technical Specifications
Quality Control
Application
Construction
NTSCGECECWOU 3.6/6kV and 6/10kV Cable Constrution
Phase Conductor
Class 5 tinned copper conductor
Insulation
Rubber compound Type 3GI3
Protective Earth Conductor
Individual copper wire screen
Control Conductor
Class 5 tinned copper
Central Filler
Semi-conductive compound on a polyester textile support
Inner Sheath
Rubber compound Type 5GM5
Monitoring Conductor
Copper wire screen over the inner sheath
Outer Sheath
Rubber compound Type 5GM5
Sheath Colour
Red
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
NTSCGECECWOU 3.6/6kV and 6/10kV cables are designed for flexible power supply in reeling and trailing systems of tunnel boring machines. They are ideal for both indoor and outdoor tunnel applications requiring high durability and mobility.
Technical Specifications
NTSCGECECWOU 3.6/6kV and 6/10kV Cable
NTSCGECECWOU Cable 3.6/6kV
NTSCGECECWOU Cable 6/10kV
|
No. Of Cores CONTROL+UL) |
Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
NOMINAL WEIGHT |
||
|
Phase N Conductor |
Earth Conductor |
Control Conductor |
mm | mm | mm | kg/km | |
| 3+3+3+UL | 25 | 25/3E | 2.5ST | 6.8 | 45.4 | 48.8 | 3010 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.8 | 46.9 | 50.4 | 3390 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 9.4 | 50 | 53.6 | 4050 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 11.2 | 55.6 | 59.4 | 5260 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.7 | 59.9 | 63.9 | 6460 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 14.4 | 64 | 68.4 | 7820 |
| 3+3+3+UL | 150 | 70/3E | 2.5ST | 16.3 | 70.4 | 75 | 9430 |
|
No. Of Cores CONTROL+UL) |
Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
NOMINAL WEIGHT |
||
|
Phase N Conductor |
Earth Conductor |
Control Conductor |
mm | mm | mm | kg/km | |
| 3+3+3+UL | 25 | 25/3E | 2.5ST | 6.8 | 45.4 | 49.4 | 3050 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.8 | 46.9 | 51 | 3430 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 9.4 | 50 | 54.2 | 4090 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 11.2 | 55.6 | 60 | 5300 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.7 | 59.9 | 64.5 | 6500 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 14.4 | 64 | 69.1 | 7860 |
| 3+3+3+UL | 150 | 70/3E | 2.5ST | 16.3 | 70.4 | 75.7 | 9470 |
Quality Control
NTSCGECECWOU 3.6/6kV and 6/10kV Cable
Raw Material Test
Raw Material Test for (N)TSCGECECWOU 3.6/6kV & 6/10kV Cable prioritizes mining-grade quality. Steps include: Certification Verification: Tinned copper, EPR, and rubber sheath meet VDE 0250/IEC standards. Conductor Testing: Tensile, elongation, conductivity, tin coating analysis. Insulation/Screen Evaluation: EPR dielectric/thermal properties; semi-conductive adhesion/resistivity. Sheath & Braid Checks: Abrasion/oil/flame resistance, braid coverage/strength. Control/Monitoring Validation: Conductor properties confirmed. Batch Rejection: Non-compliant quarantined. Approved materials ensure the (N)TSCGECECWOU 3.6/6kV & 6/10kV Cable's flexibility and MV reliability.
Process inspection
Process Inspection for (N)TSCGECECWOU 3.6/6kV & 6/10kV Cable enforces precision. The procedure features: Stranding Control: Uniform tinned copper phases/control/monitoring. Extrusion Monitoring: Semi-conductive screens, EPR insulation with defect detection. Screening & Assembly: Precise braid and conductor integration. Real-Time Checks: Resistance, integrity, diameter monitoring. Optimization: Extrusion parameters adjusted. Correction: Immediate fixes. This guarantees the (N)TSCGECECWOU 3.6/6kV & 6/10kV Cable excels in MV electrical and mechanical performance.
Finished Product
Finished Product Test validates the (N)TSCGECECWOU 3.6/6kV & 6/10kV Cable for deployment. Steps include: Inspection: Visual/dimensional/marking verification. Electrical: Resistance, insulation, withstand (11–17kV), partial discharge. Mechanical: Bending, tensile, and abrasion resistance. Performance: Oil/flame/thermal aging checks. Validation: Voltage rating and short-circuit capability confirmed. Release: Only passing (N)TSCGECECWOU 3.6/6kV & 6/10kV Cable approved for dependable mining/tunneling MV use.
Application
Suited for (N)TSCGECECWOU 3.6/6kV and 6/10kV Cable in mining trailing/reeling systems, tunnel boring power feeds, coal mining machinery, conveyor connections, and mobile transformer links needing flexible, screened MV cable with control/monitoring and strong mechanical protection.
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)
Wires and Cables packaging (5)
Wires and Cables packaging (6)
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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