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(N)3GHSSYCY Mining Cable
The (N)3GHSSYCY medium voltage flexible cable is manufactured according to VDE 0250 standards, designed to deliver reliable power in demanding environments such as underground mining, tunneling, and heavy-duty industrial sites. Featuring EPR rubber insulation, a robust PVC outer sheath, and a copper wire braid with concentric conductors, it provides exceptional mechanical durability, flame retardancy, and electromagnetic compatibility (EMC). Its flexible construction and high thermal performance (up to +90°C continuous and +250°C short circuit) ensure dependable operation in both fixed and mobile applications. With a wide temperature range (-40°C to +80°C fixed) and compliance with VDE, EN, and IEC standards, this cable is the ideal choice for medium voltage power distribution in harsh conditions where flexibility, safety, 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 - Maximum Short Circuit Temp +250°C
- Maximum Working Temp +90°C
Construction
Technical Specifications
Quality Control
Application
Construction
(N)3GHSSYCY Cable Constrution
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Conductor
Class 5 flexible stranded copper
Insulation
Rubber compound/Rubber compound Type 3GI3
Protective Earth Conductor
Individual copper screen/Individual copper wire screen
Control Conductor
Class 5 flexible stranded tinned copper
Central Filler
Rubber compound on a textile polyester support
First Inner Sheath
PVC (Polyvinyl Chloride)/PVC (Polyvinyl Chloride) Type YM5
Monitoring Conductor
Copper wire
Second Inner Sheath
PVC (Polyvinyl Chloride)/PVC (Polyvinyl Chloride) Type YM5
Armour
Steel wire braid over the second inner sheath
Outer Sheath
PVC (Polyvinyl Chloride)/PVC (Polyvinyl Chloride) Type YM5
Sheath Colour
Red
Manufacturer Standard
VDE 0250 Part 605, 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)3GHSSYCY cable is used for medium voltage power distribution to equipment in underground mining, tunneling, and other demanding work sites. Its flexible design and robust construction make it ideal for both indoor installations and outdoor use in harsh environmental conditions.
Technical Specifications
(N)3GHSSYCY Mining Cable
(N)3GHSSYCY Cable 3.6/6kV
(N)3GHSSYCY Cable 6/10kV
(N)3GHSSYCY Cable 8.7/15kV
(N)3GHSSYCY 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 | 4160 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.2 | 49 | 54 | 1575 | 4610 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 8.9 | 52.5 | 57.8 | 2250 | 5340 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 10.6 | 56.1 | 61.6 | 3150 | 6410 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.3 | 60.3 | 66.2 | 4275 | 7650 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 13.8 | 63.8 | 70 | 5400 | 9040 |
| 3+3+3+UL | 150 | 70/3E | 2.5ST | 15.5 | 67.2 | 73.7 | 6750 | 10190 |
|
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 | 4200 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.2 | 49 | 54.6 | 1575 | 4650 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 8.9 | 52.5 | 58.4 | 2250 | 5380 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 10.6 | 56.1 | 62.2 | 3150 | 6450 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.3 | 60.3 | 66.8 | 4275 | 7690 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 13.8 | 63.8 | 70.7 | 5400 | 9080 |
| 3+3+3+UL | 150 | 70/3E | 2.5ST | 15.5 | 67.2 | 74.4 | 6750 | 10230 |
|
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 | 6.1 | 50.5 | 55.6 | 4530 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.2 | 52.3 | 57.6 | 5000 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 8.9 | 55.8 | 61.3 | 5740 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 10.6 | 59.3 | 65.2 | 6840 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.3 | 62.8 | 68.9 | 8020 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 13.8 | 66.2 | 72.6 | 9270 |
|
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 | 6.1 | 52.9 | 58.2 | 4820 |
| 3+3+3+UL | 35 | 25/3E | 2.5ST | 7.2 | 54.7 | 60.2 | 5290 |
| 3+3+3+UL | 50 | 25/3E | 2.5ST | 8.9 | 58.3 | 64 | 6120 |
| 3+3+3+UL | 70 | 35/3E | 2.5ST | 10.6 | 61.7 | 67.8 | 7210 |
| 3+3+3+UL | 95 | 50/3E | 2.5ST | 12.3 | 65.2 | 71.5 | 8410 |
| 3+3+3+UL | 120 | 70/3E | 2.5ST | 13.8 | 68.7 | 75.3 | 9700 |
Quality Control
(N)3GHSSYCY Mining Cable
Raw Material Test
Raw material testing is the first and most critical quality assurance step for the (N)3GHSSYCY Mining Cable. All incoming copper conductors are tested for chemical composition, electrical conductivity, and mechanical properties. Conductivity tests ensure efficient power transmission, while tensile strength and elongation tests verify the conductor’s flexibility and resistance to repeated bending during operation. Thermal aging tests evaluate long-term material stability under elevated temperatures, while oil resistance and chemical resistance tests confirm suitability for underground conditions. Flame retardancy tests are performed to ensure compliance with safety regulations for mining applications. Moisture absorption tests verify stable electrical performance in humid and wet environments.
Process inspection
Process inspection ensures consistent manufacturing quality of the (N)3GHSSYCY Mining Cable throughout all production stages. During conductor stranding, inspections verify strand count, compactness, flexibility, and conductor diameter to ensure uniform electrical characteristics and bending performance. During insulation extrusion and vulcanization, key parameters such as temperature, pressure, and line speed are continuously monitored. Insulation thickness, concentricity, and surface quality are measured in real time. Spark testing is applied to detect insulation defects and ensure electrical integrity. The CY copper wire braid shielding process is closely inspected to confirm braid density, coverage rate, and mechanical stability. Proper shielding coverage is essential for effective electromagnetic interference protection.
Finished Product
Finished product testing validates the overall quality and safety of the (N)3GHSSYCY Mining Cable before delivery. Electrical tests include conductor resistance measurement and voltage withstand testing to confirm compliance with design and standard requirements. Shielding effectiveness tests verify the continuity and performance of the copper braid screen. Mechanical tests assess tensile strength, bending performance, and impact resistance, ensuring the cable can withstand harsh mining conditions. Abrasion resistance tests simulate long-term mechanical wear. Thermal aging, oil resistance, and flame propagation tests evaluate long-term safety and operational stability. Dimensional inspections confirm conductor size, insulation thickness, shield coverage, sheath thickness, and overall cable geometry.
Application
The (N)3GHSSYCY Mining Cable is used for power supply to mining machinery and equipment in underground and surface mining operations, including conveyors, cutting machines, drilling equipment, and electrically sensitive mining systems.
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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