Product Overview
Specialized rubber-sheathed mining cables designed for extreme underground coal mining applications. Featuring EPR/EPDM insulation and PCP sheathing, these cables deliver flame resistance, flexibility, and durability for continuous operation in hazardous environments (-20°C to +55°C). Certified for powering coal cutters, mobile equipment, and underground systems up to 10kV.
Construction
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Conductor: Class 5 flexible bare copper (IEC 60228 compliant)
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Insulation: Ethylene Propylene Rubber (EPR/EPDM) - flame-retardant, ozone-resistant
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Core Configuration: 3/4/5 cores + ground conductor (model-dependent)
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Shielding: Copper braid/semicon layer (MCP/MYP models)
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Sheath: Polychloroprene (PCP) - oil/cut/abrasion-resistant
Key Specifications
| Parameter | Specification |
|---|---|
| Voltage Rating | 0.38/0.66kV, 0.66/1.14kV, 1.9/3.3kV, 3.6/6kV, 6/10kV |
| Temp Range | -20°C to +55°C (conductor operation) |
| Flame Resistance | MSHA/ATEX compliant |
| Bending Life | >30,000 cycles (IEC 60245) |
| Water Resistance | IP68 rated |
Mining Cable Models & Applications
| Model | Name | Primary Application | Key Feature |
|---|---|---|---|
| MC | Flexible Coal Cutter Cable | Power connection for coal cutters | Basic unshielded design |
| MCP | Shielded Coal Cutter Cable | Mining coal cutters with EMI protection | Copper braid shielding |
| MCPT | Screened Rubber Sheath Cable | High-interference mining environments | Semiconductive screen |
| MCPTJ | Enhanced Screen Cutter Cable | Critical coal extraction systems | Dual-layer screening |
| MY | Mobile Rubber Sheath Cable | Mobile coal mining equipment | Oil-resistant jacket |
| MYP | Shielded Mobile Cable | Underground mobile equipment | Braid shield + PCP sheath |
| MYPT | Metal Shield Mining Cable | Transformer/rectifier power feeds | Full metallic coverage |
| MYPTJ | Monitoring-Core Mining Cable | Underground mobile transformers | Integrated monitoring core |
| MYQ | Light-Duty Mining Cable | Conveyor controls, mine illumination | Small diameter, flexible |
Technical Specifications
MCP 0.66/1.14kV Mining Cable Specifications
| Power Cores (mm²) | Ground Conductor (mm²) | Additional Ground Core | Insulation Thickness (mm) | Sheath Thickness (mm) | Outer Diameter Range (mm) |
|---|---|---|---|---|---|
| 3×25 | 1×6 | - | 2.0 | 6.0 | 41-47 |
| 3×35 | 1×6 | 3×10/3 | 2.0 | 6.0 | 44-51 |
| 3×50 | 1×10 | 3×16/3 | 2.2 | 7.0 | 51.5-59.0 |
| 3×70 | 1×16 | 3×25/3 | 2.2 | 7.0 | 56.0-63.5 |
| 3×95 | 1×25 | 3×25/3 | 2.4 | 7.0 | 62.0-70.5 |
| 3×120 | 1×25 | 3×35/3 | 2.6 | 7.0 | 66.5-75.5 |
| 3×150 | 1×35 | 3×50/3 | 2.6 | 7.0 | 71.5-80.5 |
MCP 1.9/3.3kV Mining Cable Specifications
| Power Cores (mm²) | Ground Conductor (mm²) | Additional Ground Core | Insulation Thickness (mm) | Sheath Thickness (mm) | Outer Diameter Range (mm) |
|---|---|---|---|---|---|
| 3×25 | 1×10 | - | 2.8 | 6.0 | 44.5-51.0 |
| 3×35 | 1×10 | 3×16/3 | 2.8 | 6.0 | 48.0-54.5 |
| 3×50 | 1×16 | 3×25/3 | 2.8 | 7.0 | 54.0-61.5 |
| 3×70 | 1×25 | 3×35/3 | 3.0 | 7.0 | 60.0-67.0 |
| 3×95 | 1×25 | 3×35/3 | 3.0 | 7.0 | 65.0-72.5 |
| 3×120 | 1×35 | 3×50/3 | 3.2 | 7.0 | 69.5-77.5 |
| 3×150 | 1×35 | 3×50/3 | 3.2 | 7.0 | 74.0-82.5 |
MC/MCP 0.38/0.66kV Mining Cable Specifications
| Power Cores + Ground (mm²) | Insulation Thickness (mm) | Sheath Thickness (mm) | MC Outer Ø (mm) | MCP Outer Ø (mm) |
|---|---|---|---|---|
| 3×16 + 1×4 | 1.6 | 4.5 | 29.5-34.5 | 33.0-38.0 |
| 3×25 + 1×6 | 1.8 | 5.5 | 36.0-41.0 | 39.0-45.0 |
| 3×35 + 1×6 | 1.8 | 5.5 | 39.0-45.0 | 42.5-48.5 |
| 3×50 + 1×10 | 2.0 | 5.5 | 44.0-50.5 | 47.5-54.5 |
| 3×70 + 1×16 | 2.0 | 6.0 | 50.0-57.5 | 53.0-60.5 |
| 3×95 + 1×25 | 2.2 | 6.0 | 56.0-63.5 | 59.5-67.0 |
| 3×120 + 1×25 | 2.4 | 6.0 | 60.5-68.5 | 63.5-72.0 |
Material Advantages
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EPR/EPDM Insulation:
→ Maintains flexibility at -20°C
→ Self-extinguishing flame propagation
→ Resists ozone/corrosive gases -
PCP Sheath:
→ Withstands rock abrasion and cutting
→ Oil/fuel/hydraulic fluid resistance
→ UV stability for surface segments -
Class 5 Copper:
→ 30% more flexible than Class 2
→ Vibration-resistant for mobile equipment
Engineering Notes
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Voltage Selection Guide:
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Use MC series for non-shielded applications ≤0.66kV
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Specify MCP series for shielded systems ≥1.14kV
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Current Carrying Capacity:
Cross-Section (mm²) 16 25 35 50 70 95 120 150 Max Current (A) 95 125 160 195 240 290 340 390 -
Installation Requirements:
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Minimum bending radius: 6× cable diameter
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Ambient temperature: -20°C to +55°C
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Use MSHA-certified cable glands for hazardous zones
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Application Matrix
| Environment | Recommended Model | Typical Equipment |
|---|---|---|
| Coal cutter power feeds | MCP/MCPT | Shearer loaders, continuous miners |
| Mobile equipment | MY/MYP | Shuttle cars, battery haulers |
| High-voltage substations | MYPT/MYPTJ | 6/10kV transformer connections |
| Illumination/controls | MYQ | Conveyor controls, mine lighting |
Standards Compliance
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Safety: MSHA 30 CFR Part 18, ATEX/IECEx
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Construction: IEC 60228, IEC 60502-1
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Fire Performance: IEC 60332-1-2, EN 50265-2-1
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Materials: DIN VDE 0282 Part 14 (EPR), Part 16 (PCP)