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Outdoor Vacuum Load Switch FZW28Z-12 Series for 10kV Systems - Reliable China Suppliers & Factory Solutions
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FZW28Z-12 Series Outdoor Boundaries Vacuum Load Switch.jpg
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Outdoor Vacuum Load Switch FZW28Z-12 Series for 10kV Systems - Reliable China Suppliers & Factory Solutions

The FZW28Z-12 Series is a premium outdoor vacuum load switch designed for pole-mounted 10kV systems, manufactured by leading China suppliers. Utilizing Toshiba VSP5-12 technology, this switch ensures exceptional reliability with its vacuum arcing mechanism and SF6 insulation. It comes equipped with advanced fault detection capabilities and automatic isolation for single-phase earth faults, making it ideal for branch lines. This versatile switch allows for both manual and electric operation and is suitable for altitudes up to 3000m. Choose our factory for high-quality outdoor vacuum load switches tailored to meet your specific needs
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    Product Details

    Technical Specification

    Item

    Units

    Parameters

    Rated voltage

    kV

    12

    Rated insulation level

    1min power frequency withstand voltage (interphase, to earth, fracture)

    kV

    Dry

    42/48

    Wet

    34

    Lightning impulse withstand voltage (interphase, to earth, fracture)

    kV

    75/85

    Rated frequency

    Hz

    50

    Rated current

    A

    630

    Rated short-time withstand current and duration

    KA/4s

    12.5 / 16 / 20

    Rated short-circuit closing current

    KA

    31.5 / 40 / 50

    Mechanical life

    Times

    10,000

    Net Weight

    kg

    210
    Product Model
    Product Model Diagram
    Dimension
    Product Dimension Drawing
    Frequently Asked Questions
    Q What is the rated voltage of this product?
    A The rated voltage of this product is 12 kV, making it suitable for medium-voltage distribution network applications.
    Q What are the available rated short-time withstand current options?
    A The product supports three rated short-time withstand current levels: 12.5 kA, 16 kA, and 20 kA, all with a duration of 4 seconds, accommodating different fault current requirements.
    Q What is the mechanical life expectancy of this product?
    A The mechanical life of this product is rated at 10,000 operations, ensuring reliable long-term performance in demanding switching environments.
    Q What is the power frequency withstand voltage under dry and wet conditions?
    A Under dry conditions, the 1-minute power frequency withstand voltage is 42/48 kV. Under wet conditions, it is 34 kV, ensuring safe insulation performance in various environments.
    Q What is the rated short-circuit closing current of this product?
    A The rated short-circuit closing current is available in three levels: 31.5 kA, 40 kA, and 50 kA, providing flexible options to meet different grid protection requirements.
    Q What is the net weight of this product and what does the dimension drawing cover?
    A The net weight of the product is 210 kg. The dimension drawing provided above details the overall structural dimensions and installation reference measurements to assist with proper site planning and mounting.