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China LV Power Cable Suppliers - IEC 60502-1 Certified 0.6/1(1.2)kV Factory Products
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IEC standard LV Power Cable.jpg

China LV Power Cable Suppliers - IEC 60502-1 Certified 0.6/1(1.2)kV Factory Products

Discover our high-quality cables that meet the IEC 60502-1 standards, designed to perform reliably under rated voltages of 0.6/1(1.2)kV. As a trusted China supplier and factory, we guarantee exceptional products that ensure safety and efficiency in electrical applications. Our commitment to quality and compliance makes us a preferred choice for customers seeking durable and reliable solutions in the industry. Choose us for your cable needs and experience the difference that a leading manufacturer can make
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    Product Details

    Construction

    (1) Conductors

    The conductors are either of Class 1 or Class 2 of plain or metal-coated annealed copper or of plain aluminium or aluminium alloy, or of Class 5 of plain or metal-coated copper in accordance with IEC 60228.

    (2) Insulation

    XLPE (Cross-linked polyethylene) or Polyvinyl chloride (PVC).

    (3) Sheath

    Polyvinyl chloride (PVC), polyethylene (PE), or Halogen-free compound.

    (4) Additional Layers

    The constructions of inner coverings, fillers, and metal layers have multiple choices depending on specific customer needs.

    Insulating Compounds

    Insulating Compound Abbreviated Designation
    b) Thermoplastic:
    Polyvinyl chloride intended for cables with rated voltages Uo/Us 1.8/3 kV PVC/A a
    Cross-linked:
    Ethylene propylene rubber or similar (EPM or EPDM) EPR
    High modulus or hard grade ethylene propylene rubber HEPR
    Cross-linked polyethylene XLPE
    ● Insulating compound based on polyvinyl chloride intended for cables with rated AC voltages Ua/U = 3.6/6 kV designated PVC/B in IEC 60502-2.

    Maximum Conductor Temperatures for Different Insulating Compounds

    Insulating Compound Maximum Conductor Temperature °C
    Normal Operation Short-circuit (5s max duration)
    Polyvinyl chloride /A - -
    Conductor cross-section ≤ 300 mm² 70 160
    Conductor cross-section > 300 mm² 70 140
    Cross-linked polyethylene - 90 250
    Ethylene propylene rubber EPR and 90 250

    Nominal Thickness of PVC/A Insulation

    Nominal Cross-sectional Area of Conductor (mm²) Nominal Thickness of Insulation at Rated Voltage Uo/U (Um)
    0.6/1 (1.2) kV (mm) 1.8/3 (3.6) kV (mm)
    1.5 and 2.5 0.8 -
    4 and 6 1.0 -
    10 and 16 1.0 2.2
    25 and 35 1.2 2.2
    50 and 70 1.4 2.2
    95 and 120 1.6 2.2
    150 1.8 2.2
    185 2.0 2.2
    240 2.2 2.2
    300 2.4 2.4
    400 2.6 2.6
    500 to 800 2.8 2.8
    1000 3.0 3.0

    Nominal Thickness of Cross-linked Polyethylene (XLPE) Insulation

    Nominal Cross-sectional Area of Conductor (mm²) Nominal Thickness of Insulation at Rated Voltage Uo/U (Um)
    0.6/1 (1.2) kV (mm) 1.8/3 (3.6) kV (mm)
    1.5 and 2.5 0.7 -
    4 and 6 0.7 -
    10 and 16 0.7 2.0
    25 and 35 0.9 2.0
    50 1.0 2.0
    70 and 95 1.1 2.0
    120 1.2 2.0
    150 1.4 2.0
    185 1.6 2.0
    240 1.7 2.0
    300 1.8 2.0
    400 2.0 2.0
    500 2.2 2.2
    630 2.4 2.4
    800 2.6 2.6
    1000 2.8 2.8

    Sheathing Compounds & Maximum Conductor Temperatures

    Sheathing Compounds Abbreviated Designation Maximum Conductor Temp. in Normal Operation °C
    a) Thermoplastic:
    Polyvinyl chloride (PVC) ST1 80
    ST2 90
    Polyethylene ST3 80
    ST7 90
    Halogen free ST8 90
    b) Elastomeric:
    Polychloroprene, chlorosulfonated polyethylene or similar polymers SE1 85

    Our Advantages

    Consistent Product Quality

    Our company utilizes high-quality raw materials and advanced manufacturing processes to ensure that the products meet customers' specifications and performance requirements. Supported by a comprehensive inspection system, we rigorously monitor quality from four key stages: raw material inspection, in-process inspection, semi-finished product inspection, and finished product inspection. Throughout production, we strictly implement data collection protocols and retain product samples, ensuring full traceability for every item.

    Industry-Leading Delivery Speed

    We maintain ample inventory across all product categories, enabling us to promptly fulfill urgent customer demands. Additionally, our strategic stock of semi-finished products, combined with a highly flexible production management approach, allows us to efficiently address diverse and time-sensitive customer requirements.

    Tailored Customization Services

    For customized product requests, we have established a sophisticated and streamlined workflow. Each custom project is supported by a dedicated one-on-one service team, comprising experts from R&D, sales, production, after-sales, and other relevant departments. This structure ensures professional and efficient solutions tailored to the customer's specific needs.

    Frequently Asked Questions

    What kinds of conductor materials and classes do you support?
    We support Class 1 or Class 2 plain or metal-coated annealed copper, plain aluminium or aluminium alloy, and Class 5 plain or metal-coated copper, strictly conforming to the IEC 60228 standard.
    What are the main insulation and sheathing options available?
    For insulation, we offer XLPE and PVC (PVC/A). For sheathing, we provide thermoplastic options like PVC (ST1/ST2), Polyethylene (ST3/ST7), Halogen-free (ST8), and elastomeric options such as Polychloroprene, chlorosulfonated polyethylene, or similar polymers (SE1).
    What is the maximum operating temperature for XLPE and PVC insulation?
    XLPE insulation supports a maximum of 90°C during normal operation and 250°C under short-circuit conditions. PVC/A insulation supports a maximum of 70°C in normal operation, with short-circuit limits of 160°C (for cross-sections ≤ 300 mm²) and 140°C (for cross-sections > 300 mm²).
    How is the nominal thickness of the insulation determined?
    The nominal thickness is determined based on the nominal cross-sectional area of the conductor and the rated voltage (0.6/1 kV or 1.8/3 kV). Standard values follow IEC specifications as detailed in our thickness tables.
    Do you offer custom cable structures and configurations?
    Yes. The design of inner coverings, fillers, and metal layers can be customized with multiple configurations based on specific customer requirements. Our dedicated one-on-one service team supports each custom project.
    How does your quality control process ensure traceability?
    We implement a strict four-stage quality inspection system: raw material inspection, in-process inspection, semi-finished product inspection, and finished product inspection. All data collection is logged, and product samples are archived to guarantee complete traceability.

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