Type MP-GC Three-Conductor Mine Power Feeder Cable, CPE Jacket, 8kV to ICEA S-75-381

Type MP-GC Three-Conductor Mine Power Feeder Cable: Designed to meet ICEA S-75-381 standards and support safe, reliable mining operations in South Africa

Type MP-GC Three-Conductor Mine Power Feeder Cable, CPE Sheath, 8kV 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 ASTM B-8 CAN/CSA-C22.2 No.96
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. Two-layer jacket with reinforcing fibre between the two layers can be offered as an option.
Mechanical and Thermal Properties	Minimum Bending Radius: 12×OD Maximum Operating Temperature: +90℃

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
3×6	7	10	8	0.115	2.9	0.11	2.8	1.41	35.8	1175	1749	93
3×4	7	8	8	0.115	2.9	0.11	2.8	1.52	38.6	1608	2392	122
3×2	7	6	8	0.115	2.9	0.11	2.8	1.58	40.1	1919	2855	159
3×1	19	5	8	0.115	2.9	0.11	2.8	1.66	42.2	2507	3730	184
3×1/0	19	4	8	0.115	2.9	0.11	2.8	1.74	44.2	2660	3958	211
3×2/0	19	3	8	0.115	2.9	0.14	3.6	1.90	48.3	3257	4846	243
3×3/0	19	2	8	0.115	2.9	0.14	3.6	2.00	50.8	3432	5107	279
3×4/0	19	1	8	0.115	2.9	0.14	3.6	2.12	53.8	4382	6520	321
3×250	37	1/0	8	0.115	2.9	0.14	3.6	2.22	56.4	4965	7387	355
3×350	37	2/0	8	0.115	2.9	0.14	3.6	2.43	61.7	6484	9647	435
3×500	37	4/0	8	0.115	2.9	0.14	3.6	2.70	68.6	8857	13178	536

Applications of Type MP-GC Cables

MP-GC cables are used as mine power feeder cables in various heavy-duty applications. Their versatility supports installations in ducts, conduits, open air, and direct burial under both wet and dry conditions. Key applications include:

Underground Mine Power Distribution: Supplying power between substations, switchgear, and heavy machinery in deep-level gold and platinum mines in South Africa.
Open-Pit Mining Operations: Powering draglines, drills, and shovels that demand stable high-current transmission.
Processing Plants: Providing reliable energy for conveyor belts, crushers, and ventilation systems.
Direct Burial in Rugged Terrain: Suitable for wet and corrosive environments, such as coal mines in Mpumalanga.

Benefits of Type MP-GC Cables

High Safety Standards: Compliance with ICEA S-75-381 ensures performance reliability under stringent mining safety requirements.
Mechanical Durability: With abrasion- and crush-resistant jackets, MP-GC cables withstand harsh physical abuse typical in underground haulage tunnels.
Thermal Stability: EPR insulation ensures long service life at high operating temperatures.
Flexibility: Stranded copper conductors and flexible insulation make handling, installation, and routing easier in confined spaces.
Environmental Resistance: CPE sheathing resists oils, chemicals, and flames, extending service life.
Continuous Ground Monitoring: The ground check conductor enhances safety by allowing real-time monitoring of grounding integrity.

Frequently Asked Questions (FAQ)

1. What does MP-GC stand for?
It means Mine Power – Ground Check, indicating the cable is designed for mine power distribution with an additional ground monitoring conductor.

2. Can MP-GC cables be used outdoors?
Yes, they are suitable for open-air installations and direct burial, with resistance to moisture, UV, and chemicals.

3. Are MP-GC cables flame retardant?
Yes, the CPE jacket provides flame retardancy. Other jacket materials can be customized.

4. How are these cables different from standard industrial cables?
MP-GC cables have extra ground check conductors, tougher jackets, and higher flexibility, tailored for mining safety and reliability.

5. What is the expected service life?
With proper installation and maintenance, MP-GC cables can last 10–15 years in harsh mining environments.