Type MP-GC Three-Conductor Mine Power Feeder Cable, PVC Jacket, 15kV ICEA S-75-381
Understanding Type MP-GC Three-Conductor Mine Power Feeder Cables for 15kV and Their Critical Role in South African Mining and Heavy Industry
Type MP-GC Three-Conductor Mine Power Feeder Cable, PVC Jacket, 15kV ICEA S-75-381
Applications | These cables are designed for connections between units of mine distribution systems, suitable for installed in duct, conduit or open air and for direct burial in wet and dry locations. |
Standards | ICEA S-75-381/NEMA WC 58 |
Construction  | |
Conductors | Stranded annealed bare copper conductor. |
Conductor Shield | Conducting layer. |
Insulation | Cross-Linked Polyethylene (XLPE). |
Insulation Shield | Conducting layer + copper tape. |
Ground Check Conductor | Copper conductor with a yellow polypropylene insulation. |
Grounding Conductor | Tinned copper conductor. |
Jacket | Polyvinyl Chloride (PVC), black. |
Options | Other jacket materials such as CSP/PCP/NBR/PVC are available upon request. |
Mechanical and Thermal Properties | Minimum Bending Radius: 12×OD |
Dimensions and Weight:
Construction | No. of Strands | Grounding Conductor Size | Ground Check Conductor Size | Nominal Insulation Thickness | Nominal Jacket Thickness | Nominal Overall Diameter | Nominal Weight | Ampacity | ||||
No. of cores×AWG/kcmil | - | AWG/kcmil | AWG/kcmil | inch | mm | inch | mm | inch | mm | lbs/kft | kg/km | A |
3×2 | 7 | 6 | 8 | 0.175 | 4.4 | 0.14 | 3.6 | 1.9 | 48.3 | 2021 | 3007 | 164 |
3×1 | 19 | 5 | 8 | 0.175 | 4.4 | 0.14 | 3.6 | 1.99 | 50.6 | 2503 | 3724 | 187 |
3×1/0 | 19 | 4 | 8 | 0.175 | 4.4 | 0.14 | 3.6 | 2.07 | 52.6 | 2658 | 3955 | 215 |
3×2/0 | 19 | 3 | 8 | 0.175 | 4.4 | 0.14 | 3.6 | 2.16 | 54.9 | 3066 | 4562 | 246 |
3×3/0 | 19 | 2 | 8 | 0.175 | 4.4 | 0.14 | 3.6 | 2.27 | 57.7 | 3710 | 5530 | 283 |
3×4/0 | 19 | 1 | 8 | 0.175 | 4.4 | 0.14 | 3.6 | 2.39 | 60.7 | 4369 | 6500 | 325 |
3×250 | 37 | 1/0 | 8 | 0.175 | 4.4 | 0.14 | 3.6 | 2.48 | 63 | 4875 | 7253 | 359 |
3×350 | 37 | 2/0 | 8 | 0.175 | 4.4 | 0.14 | 3.6 | 2.7 | 68.6 | 6412 | 9540 | 438 |
3×500 | 37 | 4/0 | 8 | 0.175 | 4.4 | 0.17 | 4.3 | 3.08 | 78.2 | 8610 | 12810 | 536 |
Benefits of Type MP-GC Mine Power Feeder Cables
High Voltage Capability: Supports power distribution up to 15kV.
Durability: Resistant to abrasion, moisture, and chemicals.
Safety Features: Built-in ground check conductor for continuous monitoring of grounding integrity.
Flexibility: Can be installed in ducts, conduits, open air, or direct burial.
Thermal Performance: Operates reliably up to +90°C.
Custom Options: Available with enhanced jacket materials for specific environmental conditions.
Installation Recommendations
Proper installation is critical for maximizing the lifespan and performance of MP-GC cables:
Maintain a minimum bending radius of 12× OD to avoid insulation damage.
Use appropriate pulling equipment to prevent mechanical stress.
Ensure adequate spacing in ducts or conduits for ventilation and cooling.
Implement proper grounding and bonding according to electrical codes.
Use protective coverings when installing cables in high-traffic areas underground.
Usage Scenarios in Mining and Heavy Industry
Underground Mining: Reliable power for drilling machines, conveyor systems, and ventilation fans.
Open-Pit Mining: Power supply for haul trucks, shovels, and crushers.
Heavy Industry Plants: Feeding power to large motors and processing equipment.
Renewable Energy in Mining: Supporting hybrid solar-diesel microgrids in South Africa.
Frequently Asked Questions (FAQ)
Q1: What does “MP-GC” stand for?
It stands for Mine Power – Ground Check, highlighting the cable’s built-in ground monitoring feature.
Q2: Can MP-GC cables be used for direct burial?
Yes, they are suitable for direct burial in both wet and dry soil conditions.
Q3: What is the maximum operating temperature?
The maximum operating temperature is +90°C.
Q4: Are these cables flame-retardant?
Yes, especially when specified with jackets like CSP or PCP for enhanced fire resistance.
Q5: Do MP-GC cables meet South African standards?
While primarily based on ICEA and CSA standards, MP-GC cables can be supplied to meet South African mining safety regulations when specified.
Q6: How does the ground check conductor improve safety?
It enables continuous monitoring of grounding integrity, ensuring early detection of faults and reducing shock risks.
Type MP-GC three-conductor mine power feeder cables are a cornerstone of safe and reliable electrical distribution in mining and heavy industry. With their robust construction, compliance with international standards, and adaptability to harsh environments, they are ideally suited for South Africa’s challenging mining landscape.
By combining high-voltage performance, built-in safety features, and flexible installation options, MP-GC cables not only improve operational efficiency but also support South Africa’s ongoing transition towards electrification and renewable integration in mining.
