Type MP-GC Three-Conductor Mine Power Feeder Cable, CPE Jacket, 25kV to ICEA S-75-381
Type MP-GC Three-Conductor Mine Power Feeder Cable with CPE Jacket (25kV) is Essential for Safe, Reliable, and Efficient Mining Power Distribution in South Africa
Type MP-GC Three-Conductor Mine Power Feeder Cable, CPE Jacket, 25kV to ICEA S-75-381
Applications | These cables are designed for connections between units of mine distribution systems, suitable forinstalled 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 | Ethylene Propylene Rubber (EPR). |
Insulation Shield | Conducting layer + copper tape. |
Ground Check Conductor | Copper conductor with a yellow polypropylene insulation. |
Grounding Conductor | Tinned copper conductor. |
Jacket | Chlorinated Polyethylene(CPE), 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 |
3×1 | 19 | 5 | 8 | 0.260 | 6.4 | 0.14 | 3.6 | 2.37 | 60.2 | 3435 | 5112 | 187 |
3×1/0 | 19 | 4 | 8 | 0.260 | 6.4 | 0.14 | 3.6 | 2.45 | 62.2 | 3815 | 5677 | 218 |
3×2/0 | 19 | 3 | 8 | 0.260 | 6.4 | 0.14 | 3.6 | 2.54 | 64.5 | 4290 | 6384 | 249 |
3×3/0 | 19 | 2 | 8 | 0.260 | 6.4 | 0.14 | 3.6 | 2.65 | 67.3 | 4875 | 7255 | 286 |
3×4/0 | 19 | 1 | 8 | 0.260 | 6.4 | 0.14 | 3.6 | 2.81 | 71.4 | 5665 | 8430 | 327 |
3×250 | 37 | 1/0 | 8 | 0.260 | 6.4 | 0.17 | 4.3 | 2.97 | 75.4 | 6495 | 9666 | 360 |
3×350 | 37 | 2/0 | 8 | 0.260 | 6.4 | 0.17 | 4.3 | 3.18 | 80.8 | 7970 | 11860 | 438 |
3×500 | 37 | 4/0 | 8 | 0.260 | 6.4 | 0.17 | 4.3 | 3.45 | 87.6 | 10300 | 15328 | 536 |
Benefits of Type MP-GC Cables
Safety Assurance: The inclusion of grounding and ground-check conductors ensures quick detection of insulation failures or grounding issues, reducing accident risk.
Durability: CPE jackets and EPR insulation withstand extreme mechanical stress, oils, chemicals, and UV exposure.
Thermal Stability: Rated for continuous operation up to +90°C, suitable for high-load mining conditions.
High Voltage Capacity: With a rating up to 25kV, these cables support large-scale mining distribution systems.
Versatile Installation: Can be installed in conduits, ducts, open air, or direct burial in both wet and dry locations.
Compliance: Meets international standards (ICEA, NEMA, ASTM, CSA), ensuring cross-border acceptance and trade.
Application Scenarios
Type MP-GC cables are essential in diverse mining and heavy industrial settings:
Underground Mines: Power distribution to conveyors, hoists, pumps, and drilling equipment.
Surface Mining Operations: Powering draglines, crushers, and high-voltage substations.
Open-Cast Mining: Long feeder lines from substations to heavy machinery.
South African Gold and Platinum Mines: Where reliability and ground-fault monitoring are crucial due to high worker density.
Coal Mines in Mpumalanga: Where high moisture and dust levels require robust CPE-jacketed cables.
Frequently Asked Questions (FAQ)
1. What does MP-GC stand for?
MP-GC means Mine Power – Ground Check, indicating a power feeder cable with integrated grounding and ground-check conductors.
2. Why is a ground check conductor important?
It ensures continuous monitoring of grounding integrity. If the ground is lost, the system trips to prevent electrocution hazards.
3. Can MP-GC cables be used outside mining?
Yes. While designed for mining, they are also suitable for heavy industrial environments where durability and ground-fault monitoring are required.
4. What makes CPE a preferred jacket material?
CPE offers flame resistance, chemical resistance, UV stability, and durability in harsh conditions, outperforming standard PVC in mining applications.
5. Are MP-GC cables compliant with South African standards?
Yes. They comply with international ICEA/NEMA standards and can be aligned with South Africa’s SANS and NRCS certification requirements for mining equipment.
The Type MP-GC three-conductor mine power feeder cable (25kV, CPE jacket) is more than just a cable—it is a lifeline for mining operations in South Africa. With its robust construction, safety-enhancing features, and compliance with global standards, it ensures reliable power delivery in one of the world’s most challenging environments.
For South African mines balancing production efficiency, worker safety, and regulatory compliance, MP-GC cables are not just an option but a necessity. As the industry evolves towards more sustainable and technology-driven operations, these cables will remain at the core of mining’s electrical infrastructure.
