Medium Voltage Flat Cable (3.6/6kV) for Heavy-Duty Mobile Applications

Our medium voltage flat cable is engineered for continuous flexing service in demanding industrial environments. Rated for operating voltages up to 3.6/6kV, this cable delivers reliable power transmission for equipment subject to constant bending, reeling, and mechanical stress. The imported compound materials provide a rugged combination of high-temperature endurance, sub-zero flexibility, oil resistance, UV weathering resistance, and abrasion-proof toughness—making it the preferred choice for installations exposed to harsh outdoor conditions.

Key applications include cable tracks, material handling machinery, transport systems, overhead cranes and hoists, elevator traveling cables, and other reciprocating motion systems. The cable is also designed to withstand the medium-to-high mechanical stresses encountered in excavators, draglines, surface mining operations, and underground mining equipment.

Conductor

• Fine-stranded, extra-flexible bare copper conductor

• Conforms to VDE 0295 Class 6 (equivalent to IEC 60228 Class 6)

• Provides maximum flexibility and long flex life under continuous bending

Insulation

• Special proprietary TPE (Thermoplastic Elastomer) compound

• Excellent electrical properties and thermal stability

• Maintains flexibility across a wide temperature spectrum

Inner Sheath

• Low-viscosity, pressure-extruded inner jacket

• Fills interstices to provide a compact, mechanically stable core

• Acts as a bedding layer for the shield

Shielding

• Braided shield of tin-plated copper wire

• Minimum coverage density: 80%

• Provides EMI protection and serves as a ground/earth path

Outer Sheath

• Special formulated PUR (Polyurethane) compound

• Outstanding resistance to mineral oils, hydraulic fluids, cutting compounds, and solvents

• Exceptionally high abrasion and tear strength

• UV-stabilized and ozone-resistant for outdoor service

• Flame retardant to IEC 60332-1-2

Electrical & Thermal Ratings

Minimum Bending Radius

Cable Marking & Standards Compliance

• Conductor construction: VDE 0295 / IEC 60228 Class 6

• Flame retardance: IEC 60332-1-2

• RoHS compliant (Restriction of Hazardous Substances)

• Custom printing available upon request: company name, order code, meter marking

Why Our Medium Voltage Flat Cable Outperforms Standard Round Cables

In reeling and festoon applications, flat cable construction eliminates the torsional twisting inherent to round cables, which is a leading cause of premature core breakage. The parallel conductor layout ensures uniform stress distribution during repeated flexing cycles. When combined with a PUR outer jacket, the cable achieves an operational service life that significantly exceeds that of comparable round rubber-sheathed cables—reducing your total cost of ownership and unplanned downtime on critical material handling systems.

Custom Configuration Options

As a manufacturer with full in-house extrusion and stranding capabilities, we offer engineering support to tailor this cable to your project specifications:

• Conductor cross-sections: Custom sizing beyond standard AWG/mm² offerings

• Core count: Power cores plus integrated pilot/control conductors

• Optical fiber integration: Hybrid power + data flat cables (copper cores + fiber optic elements)

• Custom jacket compounds: Low-smoke zero-halogen (LSZH) for tunnels and confined spaces; cold-temperature compounds for Arctic applications

• Color coding: North American (NFPA 79/NEC), European (HD 308), or custom color sequences

Packaging and Logistics

• Standard supply length: 500 m per wooden drum

• Custom length cuts available, no minimum order quantity on standard configurations

• Sealed, moisture-proof packaging with desiccant for ocean freight shipments

• Port of loading: Shanghai / Ningbo; FOB and CIF terms available

• Lead time: 3–4 weeks for standard designs; please inquire for custom-engineered orders

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4. FAQ

Q: What is the main advantage of a flat cable over a round cable for crane and reeling applications?
A: Flat cables resist torsional twisting. In a reeling or festoon setup, a round cable can accumulate twist with each cycle, leading to core deformation and eventual failure. The parallel conductor geometry of a flat cable distributes bending stress evenly and eliminates this failure mode, resulting in a significantly longer service life.

Q: Is this cable suitable for use in underground mining?
A: Yes, provided the installation conditions are met. The robust PUR outer jacket offers excellent abrasion resistance against rock and aggregate. However, for applications in methane-rich atmospheres, please notify our engineering team. We can formulate a jacket with antistatic properties and advise on the appropriate test certification for your regulatory jurisdiction (e.g., MSHA for the US, specific IECEx parameters for other regions).

Q: Can you supply this cable with a continuous earth/ground monitoring core?
A: Absolutely. We frequently manufacture custom versions that include a central monitoring core or an integrated earth conductor within the interstices. This is a common requirement for dragline and shovel applications. Simply provide the control core configuration you require when submitting your request for quotation.

Q: What information do you need to provide an accurate quote and delivery estimate?
A: To prepare a firm quotation, we need the following: conductor cross-section (in mm² or AWG), number of power cores, required control/pilot cores (if any), approximate total route length, and the destination country for freight calculation and applicable standards verification. Send these details to our sales team via the contact form, and we will respond with a technical datasheet and commercial offer within 24 hours.

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Ready to Specify Your Medium Voltage Flat Cable?
Send us your system requirements, and our application engineers will recommend the optimal cable configuration.