YOUJIA ZHONGBANG CABLE CO., LTD.

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Home Products Mining power cable

Mining power cable

Home Products Mining power cable

Mining power cable

[ Mining power cable ]

Mining power cable

[ Product Overview ]

Mining power cables are special cables designed for coal mines, metal mines and other mining environments. They have excellent flame retardancy, mechanical shock resistance and corrosion resistance. The products comply with mining safety regulations and are suitable for underground fixed laying or mobile equipment power supply.

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Product Details

Economical

Safe and Reliable

High Insulation Strength

Easy Installation

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Product Categories

1. Fixed laying of cables

name	model	Features
PVC insulated and sheathed power cables for coal mines	MVV	PVC insulation, low cost and easy to process
PVC insulated steel tape armored PVC sheathed power cable for coal mines	MVV22	Steel tape armor, pressure/abrasion resistant, PVC jacket
Cross-linked polyethylene insulated PVC sheathed power cable for coal mines	MVV22	Cross-linked polyethylene (heat-resistant), polyvinyl chloride sheath
Halogen-free low-smoke cross-linked polyethylene insulated polyolefin sheathed power cable for mining	WD-MYJY	Cross-linked polyethylene steel tape armor, heat and impact resistant
Halogen-free low-smoke cross-linked polyethylene insulated steel tape armored polyolefin sheathed power cable for mining	WD-MYJY23	Cross-linked polyethylene steel belt, halogen-free, low smoke, impact-resistant / environmentally friendly

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Technical Parameters

Conductor structure

Material:

Tinned copper conductor (anti-oxidation)

Section range:

4-400mm²

Conductor Type:

Fixed cable: Class 2 stranded conductor
Mobile cables: Category 5 ultra-flexible conductors

Insulation and sheath

Cable parameters vary depending on the usage scenarios. In terms of insulation materials, fixed cables (MYJV) use XLPE materials, while mobile cables (MCP) use EPR materials. The two have different performance focuses.

In terms of sheath material, the fixed cable (MYJV) is equipped with a PVC sheath, and the mobile cable (MCP) is equipped with a CR sheath. Different sheath materials provide the cable with suitable protection capabilities.

In terms of insulation thickness, the 10kV fixed cable (MYJV) reaches 3.4mm, while the insulation thickness of the mobile cable (MCP) is 1.8mm, reflecting the difference in insulation protection design between the two.

The sheath thickness is also different. The sheath thickness of the fixed cable (MYJV) is 2.5mm, and that of the mobile cable (MCP) is 3.0mm. The thicker sheath of the mobile cable enhances its wear resistance and other properties.

The differences in these parameters enable fixed cables (MYJV) and mobile cables (MCP) to meet the different needs of fixed laying and frequent movement scenarios respectively.

Mechanical properties

Tensile strength index:

≥12.5MPa (fixed)

Wear resistance index:

≥50,000 times (mobile)

Bending radius indicators:

≥6D (fixed)/15D (mobile)

Safety performance

Flame retardancy standards:

GB/T 18380.3 Class A

Antistatic standards:

Surface resistance ≤1×10⁸Ω

Oil resistance standards:

Passed IRM902 oil test

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Product Features

Safety by design

The flame retardant sheath is self-extinguishing (oxygen index ≥28%), the metal shielding layer effectively conducts away static electricity, and has passed the coal safety certification (MA/KC mark)

Durable construction

Armored type compressive strength ≥4000N/100mm, mobile cable bending resistance ≥30000 times, acid and alkali resistance (pH value 2-12)

Environmental adaptation

Working temperature: -40℃～+90℃, passed water spray test (GB/T 12972), UV resistant (outdoor type)

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Selection Guide

Select by voltage

660V system: MYP/MYQ

10kV system: MYJV/MYJV22

According to the laying method

Fixed installation: MYJV series

Mobile device: MCP/MCPTJ

Special Requests

High tensile strength: reinforced MCPJR

Oil resistant: Polyurethane sheath type

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Installation Guidelines

Fixing the cable:

Allowable drop ≤ 45°

Mobile Cable:

Minimum bending radius ≥15D

Suspension spacing:

≤3m (horizontal)/1.5m (vertical)

Connection requirements:

Use explosion-proof junction boxes, the shielding layer must be reliably grounded, and the joints must be waterproofed

Safety matters:

Overload operation is prohibited (temperature rise <70K), and the sheath damage should be checked regularly.

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Storage Conditions

Dry and avoid light

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Execution Standards

In the standard system of mining cables, the national standard GB/T 12972 has wide applicability, covering all mining cable products and providing basic specifications for their quality and performance.

Coal safety certification is carried out according to the AQ 1043 standard, which is specifically for underground cables, ensuring that these cables used in special hazardous environments meet strict safety requirements.

For mining cable products destined for the international market, the international standard IEC 60502 plays a key role in ensuring that exported products meet internationally accepted quality and technical standards.

These three types of standards, starting from different levels and application scenarios, jointly build a complete standard framework for mining cables to ensure that the products meet the corresponding requirements in terms of safety, quality and applicability.

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Product Packaging

Packing: moisture-proof steel wooden tray

Reel diameter: ≥20 times the cable diameter

Quality Assurance

Warranty period: 18 months for fixed cables, 12 months for mobile cables

Service life: fixed installation ≥15 years, mobile use ≥5 years

After-sales service: Provide professional technical support

Note: Special mining cables can be customized according to the special needs of mines (such as high gas environment, deep sea mining, etc.).

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After-sales Service

After signing the contract, our company will conduct on-site inspections of the product’s usage environment, provide product technical data sheets, installation manuals, and answer any customer inquiries. We offer high-quality configuration plans based on product characteristics and the environment.

We guarantee timely supply upon receiving the delivery notice, ensuring the product quality meets customer requirements. Our professional after-sales team will transport the products to the specified location and assist with acceptance and storage instructions.

Before installation, we provide technical training and installation guidance to ensure the product meets customer environment and technical performance requirements.

Our after-sales service department offers 24/7 support. We will respond to customer issues promptly and provide solutions. For on-site service, within the city, technicians will arrive within 3 hours, and for out-of-city locations, within 6 hours, to provide excellent technical support.

Our products come with a 5-year warranty, with a lifespan of no less than 40 years under normal use. During the warranty period, we will provide free repair or replacement for any product-related issues and assume all associated responsibilities.

Technical Service

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Material Supply and Transportation Service

002

Installation Guidance

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Issue Resolution and On-site Service Response Time

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Warranty Period and Quality Assurance Commitment

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Product