mining power cables for coal mine with rated voltage
Usage characteristics
The maximum allowable long-term working temperature for cable conductors is 90 ℃;
The maximum temperature of the cable conductor during a short circuit (maximum duration not exceeding 5 seconds) shall not exceed 250 ℃;
The ambient temperature during cable laying should not be lower than 0 ℃;
The bending radius of the cable shall not be less than 15 times the outer diameter of the cable;
Rubber sheathed flexible cables for mining are suitable for mobile laying cables used in mining power equipment with rated power frequency voltage U0/U 8.7/10KV and below.
- The rated power frequency voltage U0/U is 380/660V, 660/1140V, 1.9/3.3kV, 3.6/6kV, 6/10KV, 8.7/10KV, and 300/500V.
- The maximum allowable working temperature of cable conductors: 65 ℃ and 90 ℃
- The minimum allowable working environment temperature for cables is -35 ℃
- Cable bending radius: not greater than 6 times the outer diameter of the cable.
- Mining cables include MC cables, MCP cables, MZ cables, MZP cables, MyQ cables, My cables, MCPTJ cables, MyPTJ cables, MVV cables, MKVV cables, MyJV cables, MKYJV cables, MHYV cables, UGF cables, high-voltage mining cables, 10kV rubber sheathed cables, 6kV mining cables, mining mobile cables, mining flame-retardant cables, MCPT cables, and mining rubber sheathed cables.
| ore number*conductor nominal cross section(mm²) | Nominal thickness(mm) | Cable outer diameter(mm) | |||
| Power core | Ground core | Power wire core insulation | Cover | MY-0.38/0.66 | MYP-0.38/0.66 |
| 3*4 | 1*4 | 1.4 | 3.5 | 19.0-22.5 | 22.0-26.5 |
| 3*6 | 1*6 | 1.4 | 3.5 | 21.0-25.5 | 24.0-29.0 |
| 3*10 | 1*10 | 1.6 | 4.0 | 25.0-30.0 | 28.0-32.5 |
| 3*16 | 1*10 | 1.6 | 4.0 | 27.5-32.0 | 30.5-35.5 |
| 3*25 | 1*16 | 1.8 | 4.5 | 32.5-37.5 | 35.5-41.0 |
| 3*35 | 1*16 | 1.8 | 4.5 | 35.5-41.0 | 38.5-44.5 |
| 3*50 | 1*16 | 2.0 | 5.0 | 41.5-47.5 | 44.5-51.0 |
| 3*70 | 1*25 | 2.0 | 5.0 | 46.0-53.0 | 49.0-56.0 |
| 3*95 | 1*25 | 2.2 | 5.5 | 52.5-59.5 | 55.5-63.0 |
| 3*120 | 1*35 | 2.2 | 5.5 | 56.0-63.5 | 59.0-67.0 |
| 3*150 | 1*50 | 2.4 | 6.0 | 62.5-70.5 | 65.6-74.0 |
| Note:The core section is the minimum section | |||||
Mining Cable Application Areas
1. Underground Coal Mining
Used for power supply and control of underground mining equipment, including continuous miners, shearers, conveyors, and ventilation systems. The cables are designed to withstand moisture, dust, vibration, and mechanical stress in confined underground environments.
2. Open-Pit Mining
Provides reliable power for excavators, electric shovels, drilling rigs, stackers, reclaimers, and mobile crushing equipment. Flexible mining cables ensure stable operation during frequent movement and heavy-duty applications.
3. Mineral Processing Plants
Applied in crushers, ball mills, flotation systems, conveyors, screening equipment, and pumping stations. These cables deliver stable electrical power while resisting abrasion, chemicals, and harsh industrial conditions.
4. Mine Dewatering Systems
Used to power submersible pumps, drainage pumps, and water treatment equipment for efficient mine water management. Excellent waterproof performance ensures reliable long-term operation.
5. Tunnel Construction
Suitable for tunnel boring machines (TBMs), drilling equipment, lighting systems, ventilation fans, and temporary construction power distribution. Flexible construction allows easy installation in limited spaces.
6. Surface Mining Facilities
Widely used in workshops, maintenance areas, substations, material handling systems, and mine infrastructure where dependable power transmission is required.
7. Mobile Mining Equipment
Ideal for cable reels, mobile crushers, portable generators, drilling machines, and transport vehicles that require continuous power during movement. High flexibility minimizes the risk of cable damage.
8. Industrial Heavy-Duty Applications
Also suitable for steel plants, ports, construction sites, cement factories, and other industrial environments requiring durable flexible power cables capable of operating under demanding conditions.
Certification:
Packing And Shipping：
FAQ
Q1: What is a mining cable used for?
A: Mining cables are designed to supply power, control signals, or communication to mining equipment. They are widely used in underground mines, open-pit mines, drilling equipment, conveyor systems, pumps, and other heavy-duty industrial applications.
Q2: What features should a high-quality mining cable have?
A: A high-quality mining cable should offer excellent abrasion resistance, high mechanical strength, flame retardancy, moisture resistance, oil resistance, and flexibility. These properties help ensure reliable performance in harsh mining environments.
Q3: Can mining cables be used outdoors?
A: Yes. Many mining cables are suitable for both underground and outdoor applications. Depending on the cable construction, they can withstand sunlight, rain, mud, and other challenging environmental conditions. The correct cable type should always be selected based on the installation environment.
Q4: How do I choose the right mining cable?
A: When selecting a mining cable, consider the operating voltage, conductor size, number of cores, installation method, bending requirements, environmental conditions, and the type of equipment being powered. Choosing a cable that meets the applicable standards and the equipment's electrical requirements will help ensure safe and reliable operation.
Q5: What conductor materials are available for mining cables?
A: Mining cables are commonly manufactured with copper conductors due to their excellent electrical conductivity and flexibility. Depending on project requirements, different conductor classes and insulation materials can also be provided.
Q6: Can you customize mining cables for specific projects?
A: Yes. We provide OEM and customized manufacturing services, including conductor size, core configuration, insulation and sheath materials, voltage ratings, cable length, color, and packaging to meet different project requirements and international standards.
If you have any needs, please feel free to contact us
cable@sxwqgb.com
+8613892838980
Room 3404, Runfeng Building, Sanqiao Street, Fengdong New City, Xi 'an, Shaanxi Province
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