(N)TMCGEWOU - 12/20kV, 14/25kV and 18/30kV Cable
(N)TMCGEWOU cable is a flexible medium voltage power cable designed and manufactured according to DIN VDE 0250 standards. It is engineered for energy transmission in mining, tunneling, and heavy mobile machinery, ensuring safe, stable, and efficient medium voltage power delivery in harsh environments. Featuring EPR insulation, robust halogen-free rubber sheath, and copper wire screening, the cable offers outstanding mechanical durability, flame retardancy, and resistance to oil and moisture. It is especially suitable for short-length MV connections in transformers, switchgears, and conveyor system power supplies.
- Voltage Rating Uo/U 12/20V | 14/25kV | 18/30kV
-
Test Voltage
12/20kV: 29kV
14/25kV: 36kV
18/30kV: 43kV - Maximum Short Circuit Temperature +250°C
- Minimum Bending Radius Fixed: 6 x overall diameter
- Temperature Rating Fixed: -40°C to +80°C
Construction
Technical Specifications
Quality Control
Application
Construction
(N)TMCGEWOU - 12/20kV, 14/25kV and 18/30kV Cable Constrution
Phase Conductor
Class 5 flexible stranded tinned copper
Insulation
Rubber compound Type 3GI3
Earth Conductor
Copper wire screen
Outer Sheath
Rubber compound Type 5GM5
Sheath Colour
Red
Manufacturer Standard
VDE 0250 Part 812, 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)TMCGEWOU cable is used for short-length medium voltage connections of transformers, switchgears, and mobile mining equipment. It is ideal for both indoor and outdoor installations, including alongside conveyor systems in harsh industrial environments.
Technical Specifications
(N)TMCGEWOU - 12/20kV, 14/25kV and 18/30kV Cable
(N)TMCGEWOU Cable 12/20kV
(N)TMCGEWOU Cable 14/25kV
(N)TMCGEWOU Cable 18/30kV
| No. Of Cores | Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
NOMINAL WEIGHT |
|
| Phase Conductor | Earth Conductor | mm | mm | mm | kg/km | |
| 1 | 25 | 16E | 6.8 | 22.4 | 24.3 | 870 |
| 1 | 35 | 16E | 7.8 | 23.1 | 25 | 970 |
| 1 | 50 | 16E | 9.4 | 25.4 | 27.3 | 1120 |
| 1 | 70 | 16E | 11.2 | 27.2 | 29.1 | 1440 |
| 1 | 95 | 16E | 12.7 | 28.8 | 30.8 | 1690 |
| 1 | 120 | 16E | 14.4 | 31.6 | 33.6 | 2060 |
| 1 | 150 | 25E | 16.3 | 34 | 36 | 2510 |
| 1 | 185 | 25E | 17.6 | 35 | 37 | 2810 |
| 1 | 240 | 25E | 20.6 | 39 | 41 | 3540 |
| No. Of Cores | Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
NOMINAL WEIGHT |
|
| Phase Conductor | Earth Conductor | mm | mm | mm | kg/km | |
| 1 | 25 | 16E | 6.8 | 24.6 | 26.5 | 980 |
| 1 | 35 | 16E | 7.8 | 26.1 | 28 | 1130 |
| 1 | 50 | 16E | 9.4 | 27.6 | 29.5 | 1320 |
| 1 | 70 | 16E | 11.2 | 29.4 | 31.4 | 1570 |
| 1 | 95 | 16E | 12.7 | 32 | 34 | 1900 |
| 1 | 120 | 16E | 14.4 | 33.8 | 35.8 | 2210 |
| 1 | 150 | 25E | 16.3 | 36.3 | 38.3 | 2680 |
| 1 | 185 | 25E | 17.6 | 38.2 | 40.2 | 3060 |
| 1 | 240 | 25E | 20.6 | 41.1 | 44 | 3730 |
| No. Of Cores | Nominal Cross Sectional Area mm² |
CONDUCTOR DIAMETER |
MINIMUM OVERALL DIAMETER |
MAXIMUM OVERALL DIAMETER |
NOMINAL WEIGHT |
|
| Phase Conductor | Earth Conductor | mm | mm | mm | kg/km | |
| 1 | 25 | 16E | 6.8 | 27.2 | 29.1 | 1120 |
| 1 | 35 | 16E | 7.8 | 28.1 | 30 | 1240 |
| 1 | 50 | 16E | 9.4 | 29.6 | 31.6 | 1440 |
| 1 | 70 | 16E | 11.2 | 32.4 | 34.4 | 1770 |
| 1 | 95 | 16E | 12.7 | 34.1 | 36.1 | 2040 |
| 1 | 120 | 16E | 14.4 | 35.9 | 37.9 | 2360 |
| 1 | 150 | 25E | 16.3 | 39.3 | 41.3 | 2920 |
Quality Control
(N)TMCGEWOU - 12/20kV, 14/25kV and 18/30kV 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)TMCGEWOU cable is used for short-length medium voltage connections of transformers, switchgears, and mobile mining equipment. It is ideal for both indoor and outdoor installations, including alongside conveyor systems in harsh industrial 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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