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Insulation Transmission Line Tool Overhead Insulator Used In Transmission Line

Categories Transmission Line Tool
Brand Name: Boyu
Model Number: BY-U120B
Certification: ISO9001
Place of Origin: China
MOQ: 500sets
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 50000 sets/month
Delivery Time: 25-30days
Packaging Details: Wooden Case
Nominal structural height: 146mm
Nominal disc diameter: 255mm
Nominal creepage distance: 295/320mm
Rated electromechanical failure load: 120kN
Tension load by tension: 60kN
Crushing load: 678N.cm
Power frequency breakdown voltage: 110/120
Type: Suspension Porcelain Insulator
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    Insulation Transmission Line Tool Overhead Insulator Used In Transmission Line

    Standard Electric Insulator For High Voltage Line Transmission Suspension Porcelain Insulator


    Product advantage

    Good insulation, rich experience in operation, good heat resistance, low price, low cost and so on.


    Insulators play two fundamental roles in overhead transmission lines, namely supporting the conductors and preventing current from returning to the ground. These two functions must be guaranteed. Insulator should not change due to environmental and electrical load conditions lead to various electrical and mechanical stress and failure. Otherwise, the insulators will not have a significant effect, which will damage the use and operating life of the entire line.

    Hanging by the porcelain, porcelain insulator iron cap and steel legs with no less than 525 Portland cement, quartz sand cement gel pack. The contact surface between the iron cap and the steel foot and the adhesive is lightly coated with a buffer layer, and the top of the steel foot is provided with elastic liner. The surface of the porcelain parts is usually painted with white glaze and brown glaze, and other glazes can be painted as needed. The surface of iron cap and steel foot is all hot-dip galvanized.


    ModelRated electromechanical failure load knTension load by tension kNCrushing load N.cmpower frequency withstand voltage kvLightning shocks dry withstand voltage kvPower frequency breakdown voltageradio interference voltageWeight kg
    DryWetTest voltage to ground kv1MHZ max radio interference voltage Μv
    BY-U40C4020565553075907.5502.9
    4020565553075907.5503.4
    BY-U70BL7035565704010011010504.8
    BY-U70C7035565704010011010504.7
    7035565704010011010504.6
    BY-U70BS7035565704010011010504.6
    BY-U70BL7035565503010011010503.7
    7035565704010011010504.9
    BY-U70C7035565704010011010505.1
    BY-U70BL7035565704010011010505.1
    BY-U100BL10050678704010011010505.8
    10050678704010012010506.1
    BY-U100CL10050678704010011010505.8
    BY-U120B12060678704010011010506.1
    12060678704010012010506.6
    BY-U160B160801017704010011010506.8
    BY-U160BS160801017704010011010506.8
    160801017754210511010507.6
    BY-U210B2101051017754210512010509.8
    2101051017754210512010509.4
    2101051017754210512010509.8
    BY-U240B24012010177545110120105011.4
    BY-U300B30015010177545110120105013.5

    Quick Detail

    • Model: BY-U120B
    • Nominal structural height H: 146mm
    • Nominal disc diameter D: 255mm
    • Nominal creepage distance L: 295/320mm
    • Concatenation mark: 16B

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