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AC Protective Device

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  • LY1-120 Surge Protective Device

    LY1-120 Surge Protective Device

    LY1-120 Surge Protective Device
    Time:2019-11-25 Browse:563

    FeaturesLY1-120 series modular type power supply pressure limiting surge protectoris on the basis of IEC61643-11, GB18802.1 standard design and manufacture, canbe close to the protected equipment installation, the maximum discharge currentof 120 A mu

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    Features

    LY1-120 series modular type power supply pressure limiting surge protector is on the basis of IEC61643-11, GB18802.1 standard design and manufacture, can be close to the protected equipment installation, the maximum discharge current of 120 A mu s (8/20), this product is a standard 35 mm guide rail style installation, have red, green, mechanical failure indicator,  suitable for low voltage circuit of secondary protection, depending on the power distribution system (TT TN IT) can choose a variety of combinations. Ty1-120 zero-ground protection combination is also called 1+1/3+1 protection mode, NPE: TY1-120NPE zero-ground protection module.

    Red green failure indicator

    Remote alarm interface is optional

    The reaction speed is less than 25 nanoseconds

    Maximum discharge current of single module 120kA(8/20 microns)

    Built-in over heat/over current breaker


    Product characteristics

    Specification

    LY1-120

    Item name

    Surge protection

    SPD dassification according to EN61643-11

    Type 2

    power system

    TT-TN-IT

    Nominal voltage

    220/380V

    Max. continuous operating a.c. voltage  Uc

    275/320/385V

    Norminal discharge current (8/20μs)   In

    60kA

    Max. discharge current8/20us       Imax

    120kA

    Voltage protection level                UP

    1.9/2.1/2.5kV

    Remote communication alarm

    selectable

    Operating state/ fault indication

    green/ red

    Cross-section area

    4-35mm2

    For mounting on

    35mm Din rail

    Degree of protection

    IP20

    Operating temperature range         Tu

    -40~70

    Enclosure material

    Thermal plastic UL94-V0





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