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(N)3GHSSHCH Mining Cable
The (N)3GHSSHCH 3.6/6kV and 6/10kV medium voltage flexible mining cable is engineered for demanding industrial environments such as underground mining, tunneling, and heavy-duty mobile equipment. Featuring EPR rubber insulation, halogen-free LSZH sheath, and a copper wire braid screen, it offers superior mechanical strength, oil resistance, and flame retardancy. Its robust multi-layer construction includes semi-conductive layers, steel wire braid armour, and individual copper screening, ensuring reliable electrical performance and enhanced safety. With excellent flexibility, a wide operating temperature range (-40°C to +80°C fixed), and compliance with VDE, EN, and IEC standards, this cable guarantees long service life in the harshest conditions. Ideal for medium voltage power supply where safety, flexibility, and durability are critical.
- Voltage Rating Uo/U 3.6/6kV | 6/10kV | 8.7/15kV | 12/20kV
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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: +5°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)3GHSSHCH Cable Constrution
3GHSSHCH-mining-cable-standard.webp)
Conductor
Class 5 copper/Class 5 flexible stranded copper
Insulation
Rubber compound
Protective Earth Conductor
Individual copper screen/Individual copper wire screen
Control Conductor
Class 5 tinned copper/Class 5 flexible stranded tinned copper
Central Filler
Rubber compound on a textile polyester support
First Inner Sheath
LSZH (Low Smoke Zero Halogen)
Monitoring Conductor
Copper wire screen over the first inner sheath
Second Inner Sheath
LSZH (Low Smoke Zero Halogen)
Armour
Steel wire braid over the second inner sheath
Outer Sheath
LSZH (Low Smoke Zero Halogen)
Sheath Colour
Black
Manufacturer Standard
VDE 0250 Part 605, 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)3GHSSHCH 3.6/6kV and 6/10kV cable is used for medium voltage power supply to equipment in underground mining and tunneling operations. Its halogen-free, low smoke sheath makes it suitable for both indoor and outdoor environments where safety and flexibility are essential.
Technical Specifications
(N)3GHSSHCH Mining Cable
(N)3GHSSHCH Cable 3.6/6kV
(N)3GHSSHCH Cable 6/10kV
(N)3GHSSHCH Cable 8.7/15kV
(N)3GHSSHCH 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 | 6.1 | 47.2 | 52.1 | 1125 | 4120 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.2 | 49 | 54 | 1575 | 4570 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 8.9 | 52.5 | 57.8 | 2250 | 5300 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 10.6 | 56.1 | 61.6 | 3150 | 6370 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.3 | 60.3 | 66.2 | 4275 | 7600 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 13.8 | 63.8 | 70 | 5400 | 8990 |
| 3+3+3+UL | 150 | 70/3E | 2.5ST | 15.5 | 67.2 | 73.7 | 6750 | 10130 |
|
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 | 6.1 | 47.2 | 52.7 | 1125 | 4160 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.2 | 49 | 54.6 | 1575 | 4610 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 8.9 | 52.5 | 58.4 | 2250 | 5340 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 10.6 | 56.1 | 62.2 | 3150 | 6410 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.3 | 60.3 | 66.8 | 4275 | 7640 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 13.8 | 63.8 | 70.7 | 5400 | 9030 |
| 3+3+3+UL | 150 | 70/3E | 2.5ST | 15.5 | 67.2 | 74.4 | 6750 | 10170 |
|
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 | 6.1 | 50.5 | 55.6 | 1125 | 4030 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.2 | 52.3 | 57.6 | 1575 | 4480 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 8.9 | 55.8 | 61.3 | 2250 | 5210 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 10.6 | 59.3 | 65.2 | 3150 | 6230 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.3 | 62.8 | 68.9 | 4275 | 7350 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 13.8 | 66.2 | 72.6 | 5400 | 8540 |
|
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 | 6.1 | 52.9 | 58.2 | 1125 | 4330 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.2 | 54.7 | 60.2 | 1575 | 4780 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 8.9 | 58.3 | 64 | 2250 | 5540 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 10.6 | 61.7 | 67.8 | 3150 | 6570 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.3 | 65.2 | 71.5 | 4275 | 7690 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 13.8 | 68.7 | 75.3 | 5400 | 8920 |
Quality Control
(N)3GHSSHCH Mining Cable
Raw Material Test
For the (N)3GHSSHCH Mining Cable, raw material testing ensures that all incoming materials meet strict technical and safety requirements. Copper conductors undergo conductivity testing and mechanical strength verification to ensure stable electrical transmission and flexibility. Insulation and sheath materials are tested for tensile strength, elongation, tear resistance, and thermal stability. Oil resistance and chemical resistance tests confirm suitability for mining environments. Flame retardancy tests ensure compliance with underground safety regulations.Moisture resistance and aging performance tests simulate long-term service conditions. All materials are identified and recorded to ensure traceability. Only qualified materials are approved for use in the (N)3GHSSHCH Mining Cable.
Process inspection
Process inspection is essential to maintaining consistent quality during production of the (N)3GHSSHCH Mining Cable. Conductor stranding inspections verify flexibility and dimensional accuracy. Insulation and sheath application processes are continuously monitored to control thickness, concentricity, and surface quality. Spark testing detects insulation defects, while mechanical inspections ensure proper sheath bonding and reinforcement placement. Inspection records are maintained for traceability and quality control. This disciplined process inspection system ensures reliable performance and long service life of the (N)3GHSSHCH Mining Cable.
Finished Product
Finished product testing confirms the final quality of the (N)3GHSSHCH Mining Cable. Electrical, mechanical, thermal, and flame-retardant tests ensure compliance with mining standards. Dimensional checks and visual inspections verify structural integrity and marking accuracy. Only cables that pass all tests are released for shipment, ensuring safe and reliable operation in mining applications.
Application
The (N)3GHSSHCH Mining Cable is suitable for power supply to heavy mining equipment in underground mines, tunnels, open-pit mining operations, and other 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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