(N)TSCGECECWOU 8.7/15kV and 12/20kV ZH Cable
The (N)TSCGECECWOU 8.7/15kV and 12/20kV ZH cable is a flexible medium voltage power cable designed and manufactured to DIN VDE 0250 standards. Engineered for demanding mining, tunneling, and mobile equipment applications, it features EPR insulation, a halogen-free flame-retardant sheath, and a concentric copper conductor to ensure exceptional mechanical strength, EMC protection, and resistance to oil, moisture, and fire. With a robust PUR outer sheath and halogen-free materials, this cable provides high flexibility and durability for reeling and trailing systems in harsh industrial environments, making it ideal for tunnel boring machines, mining conveyors, and other heavy-duty energy supply applications.
- Voltage Rating Uo/U 8.7/15kV | 12/20kV
-
Test Voltage
8.7/15kV: 24kV
12/20kV: 29kV -
Temperature Rating
Fixed: -50°C to +80°C
Flexed: -40°C to +80°C -
Minimum Bending Radius
Fixed: 6 x overall diameter
Flexed: 10 x overall diameter
Construction
Technical Specifications
Quality Control
Application
Construction
(N)TSCGECECWOU 8.7/15kV and 12/20kV ZH Cable Constrution
Phase Conductor
Class 5 tinned copper conductor
Insulation
Rubber compound
Protective Earth Conductor
Individual copper wire screen
Control Conductor
Class 5 tinned copper
Central Filler
Semi-conductive compound on a textile polyester support
Inner Sheath
Halogen-free compound
Monitoring Conductor
Copper wire screen over the inner sheath
Outer Sheath
Halogen-free PUR (Polyurethane)
Sheath Colour
Black
Manufacturer Standard
VDE 0250 Part 812, VDE 0295, EN 60228
Flame Retardant
IEC/EN 60332-1-2
Halogen Free
IEC/EN 60754-1/2
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)TSCGECECWOU 8.7/15kV and 12/20kV ZH cable is designed for flexible power connections on reeling systems of tunnel boring machines and other demanding tunnel operations. Its halogen-free sheath and robust construction make it ideal for both indoor and outdoor use in harsh environments.
Technical Specifications
(N)TSCGECECWOU 8.7/15kV and 12/20kV ZH Cable
(N)TSCGECECWOU Cable 8.7/15kV
(N)TSCGECECWOU Cable 12/20kV
|
No. Of Cores CONTROL+UL) |
Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
MAXIMUM TENSILE LOAD |
NOMINAL WEIGHT |
||
|
Phase N Conductor |
Earth Conductor |
Control Conductor |
mm | mm | mm | N | kg/km | |
| 3+3+3+UL | 25 | 25/3E | 2.5ST | 6.8 | 48 | 51.5 | 1125 | 3540 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.8 | 49.5 | 53.1 | 1575 | 3930 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 9.4 | 54.4 | 58.2 | 2250 | 4810 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 11.2 | 58.2 | 62.2 | 3150 | 5880 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.7 | 61.4 | 65.7 | 4275 | 6950 |
|
No. Of Cores CONTROL+UL) |
Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
MAXIMUM TENSILE LOAD |
NOMINAL WEIGHT |
||
|
Phase N Conductor |
Earth Conductor |
Control Conductor |
mm | mm | mm | N | kg/km | |
| 3+3+3+UL | 25 | 25/3E | 2.5ST | 6.8 | 50.5 | 54.1 | 1125 | 3800 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.8 | 52.3 | 56 | 1575 | 4190 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 9.4 | 57.5 | 61.4 | 2250 | 5120 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 11.2 | 61 | 65.3 | 3150 | 6200 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.7 | 66.4 | 70.9 | 4275 | 7550 |
Quality Control
(N)TSCGECECWOU 8.7/15kV and 12/20kV ZH Cable
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.
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.
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)TSCGECECWOU 8.7/15kV and 12/20kV ZH cable is designed for flexible power connections on reeling systems of tunnel boring machines and other demanding tunnel operations. Its halogen-free sheath and robust construction make it ideal for both indoor and outdoor use in harsh environments.
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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