Type 240 Flexible Copper Screened Mining Cable With Three Pilots
The Type 240 Flexible Copper Screened Mining Cable with Three Pilots is a medium-voltage, rubber-insulated cable designed for mining machinery feeder applications and longwall supply. It features tinned annealed copper conductors, EPR insulation, and a tinned copper/polyamide braid screen for superior electrical and mechanical performance. The three interstitial pilot cores provide additional monitoring or control functions, making it suitable for complex mining and industrial systems. With its HD-PCP extra heavy-duty outer sheath, the cable offers oil resistance, flame retardancy, and high durability for harsh environments. Compliant with AS/NZS 2802 and related standards, it ensures reliable operation under extreme mechanical and electrical stress. Constructed with high-conductivity copper conductors, durable insulation, and a robust outer sheath, the cable offers excellent resistance to abrasion, vibration, oil, moisture, and harsh mining conditions. Its flexible design supports continuous movement and reduces installation stress.
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Voltage Rating
Type 240.1 - 1.1kV
Type 240.3 - 3.3kV
Type 240.6 - 6.6kV
Type 240.11 - 11kV - Temperature Rating -25°C to +90°C
Construction
Technical Specifications
Quality Control
Application
Construction
Type 240 Flexible Copper Screened Mining Cable With Three Pilots Constrution
Conductor
Tinned annealed copper wires
Insulation
EPR (EthyIene PropyIene Rubber) type R–EP–90
Separator/Screen
1.1kV: Paper separator
Other voltages: semi-conductive thermosetting compound
Other voltages: semi-conductive thermosetting compound
Insulation Screen
1.1kV: Synthetic tape
From 3.3kV: Semi–conductive thermosetting compound
From 3.3kV: Semi–conductive thermosetting compound
Screen
Tinned copper/polyamide braid
Cradle Separator
Semi-conductive thermosetting compound
Sheath
PCP (PoIychIoroprene) thermosetting compound HD–85–PCP – extra heavy duty, oiI resistance and fIame retardant
Optional open polyamide braid between layer of sheathing
Optional open polyamide braid between layer of sheathing
Sheath Colour
Black
Manufacturer Standard
AS/NZS 1802:2003, AS/NZS 1125:2001
Interstitial Pilots
EPR covered flexible stranded tinned Copper
Cable Assembly
3x screened power cores with right hand lay up on cradle separator with 3x pilot cores
Application
Type 240 Flexible Copper Screened Mining Cable With Three Pilots is used as a flexible feeder cable for machinery and longwall supply in the mining industry. It is also suitable for various other industrial applications requiring reliable power delivery and control.
Technical Specifications
Type 240 Flexible Copper Screened Mining Cable With Three Pilots
Type 240 Flexible Copper Screened Mining Cable With Three Pilots
| No. Of Cores |
NOMINAL CONDUCTOR AREA mm² |
NOMINAL THICKNESS OF INSULATION mm |
CORE SCREEN SIZE mm |
AREA OF SCREEN mm² |
NOMINAL THICKNESS OF SHEATH mm |
NOMINAL DIAMETER mm |
NOMINAL WEIGHT kg/km |
| 3+3 | 6 | 1.5 | 7/0.25 | 7.2 | 3.8 | 30 | 151 |
| 3+3 | 10 | 1.5 | 7/0.25 | 8.6 | 3.8 | 32.6 | 159 |
| 3+3 | 16 | 1.6 | 7/0.25 | 9.6 | 4.0 | 35.8 | 202 |
| 3+3 | 25 | 1.6 | 7/0.25 | 11.3 | 4.3 | 39.7 | 265 |
| 3+3 | 35 | 1.6 | 7/0.25 | 12.4 | 4.6 | 53.6 | 326 |
| 3+3 | 50 | 1.7 | 7/0.25 | 14.1 | 5.0 | 48.4 | 404 |
| 3+3 | 70 | 1.8 | 7/0.25 | 16.5 | 5.4 | 54.0 | 533 |
| 3+3 | 95 | 2 | 7/0.25 | 18.2 | 6.0 | 58.8 | 635 |
| 3+3 | 120 | 2.1 | 7/0.25 | 20.3 | 6.4 | 64.6 | 775 |
| 3+3 | 150 | 2.3 | 7/0.25 | 22.3 | 6.9 | 70.3 | 940 |
| 3+3 | 185 | 2.5 | 7/0.30 | 30.2 | 7.4 | 77.5 | 1140 |
| 3+3 | 240 | 2.8 | 7/0.30 | 33.6 | 8.2 | 86.1 | 1410 |
| 3+3 | 300 | 3 | 7/0.40 | 50.1 | 8.8 | 95.2 | 1775 |
| 3+3 | 16 | 3 | 7/0.25 | 13.4 | 5.3 | 46.7 | 306 |
| 3+3 | 25 | 3 | 7/0.25 | 14.8 | 5.6 | 50.6 | 379 |
| 3+3 | 35 | 3 | 7/0.25 | 15.1 | 5.9 | 54.0 | 444 |
| 3+3 | 50 | 3 | 7/0.25 | 17.5 | 6.3 | 58.1 | 525 |
| 3+3 | 70 | 3 | 7/0.25 | 19.6 | 6.6 | 63.0 | 656 |
| 3+3 | 95 | 3 | 7/0.25 | 20.6 | 7.1 | 66.7 | 750 |
| 3+3 | 120 | 3 | 7/0.30 | 27.2 | 7.4 | 72.6 | 910 |
| 3+3 | 150 | 3 | 7/0.40 | 39.6 | 7.8 | 78.6 | 1115 |
| 3+3 | 185 | 3 | 7/0.40 | 43.1 | 8.2 | 83.8 | 1280 |
| 3+3 | 240 | 3 | 7/0.40 | 46.6 | 8.8 | 90.8 | 1540 |
Quality Control
Type 240 Flexible Copper Screened Mining Cable With Three Pilots
Raw Material Test
Raw material testing for the Type 240 Flexible Copper Screened Mining Cable With Three Pilots focuses on conductor integrity, screening effectiveness, insulation durability, and pilot core performance. Copper conductors and screening wires are tested for electrical and mechanical properties. Insulation materials are evaluated for thermal stability, oil resistance, abrasion resistance, and flame retardancy. Only approved materials are released for production.
Process inspection
Process inspection ensures consistent manufacturing quality of the Type 240 Flexible Copper Screened Mining Cable With Three Pilots throughout all production stages. During conductor stranding, inspections verify strand structure, conductor diameter, compactness, and flexibility according to design specifications. Insulation extrusion is closely monitored, with continuous control of temperature, pressure, and line speed. Insulation thickness, concentricity, and surface quality are measured in real time. Spark testing is applied to detect insulation defects and ensure electrical integrity. All inspection data is recorded and reviewed. Any deviation triggers immediate corrective actions, ensuring stable production quality and reliable performance of the Type 240 mining cable.
Finished Product
Finished product testing validates the overall quality and safety of the Type 240 Flexible Copper Screened Mining Cable With Three Pilots before delivery. Electrical tests include conductor resistance measurement, insulation resistance testing, and voltage withstand testing to confirm compliance with rated requirements. Screen continuity tests verify effective earthing and shielding performance. Mechanical tests assess tensile strength, bending performance, impact resistance, and abrasion resistance under simulated mining conditions. Thermal aging, oil resistance, and moisture resistance tests confirm long-term durability.
Application
The Type 240 Flexible Copper Screened Mining Cable with three pilots is used for power and control supply to underground mining equipment such as continuous miners, shuttle cars, conveyors, and other mobile mining machinery.
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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