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        Surge protector | Products
        This current location is:Home > Products > Surge protector
        KW-D20
        click: 3078
        Product introductionKW - D20 series surge protector (surge protector) applied to ac 50 hz / 60 hz, 380 v, TN and TN under - S - C - S, TT, IT, such as power supply system, can be used as LPZ1, LPZ2 and LPZ3 bonding interface, and the design basis in

        Detailed description

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        Product introduction
        KW - D20 series surge protector (surge protector) applied to ac 50 hz / 60 hz, 380 v, TN and TN under - S - C - S, TT, IT, such as power supply system, can be used as LPZ1, LPZ2 and LPZ3 bonding interface, and the design basis in accordance with GB18802.1, iec61643-1, installed on the 35 mm electric guide shell design, the product for failure from the device. When the surge protector is overheated; When the breakdown occurs, the failure disengagement device automatically disallows the device from the grid, while the visual warning indicator module can be replaced with a working voltage.
        Product features
        Replace the protector unit without a power failure.
        The maximum can withstand 20KA (8/20 mu s).
        The action response time is less than 25 nanoseconds.
        4, the visual window color indicates the protection work state, green (normal), red (faults).
        The electronic information system is a necessary product for lightning protection.
        Product application and installation location
        Apply to D lightning protection, KW series - D20 surge protector accord with GB18802.1-2002, when used in lightning equipotential connection, installed on LPZ1, LPZ2 area with LPZ3 area border, are normally installed in resident distribution box, computer center, information equipment, electronic equipment and control equipment before or recent socket in the box.
        Product design and order information: 1, the user should specify the model number and quantity in detail when designing and ordering the product. For example: kw-d20/4p-385,8.
        Main technical parameter
        Maximum continuous working voltage (Uc)
        275V
        320V
        385V
        420V
        440V
        Voltage protection level (Up)
        <1.0kV
        <1.5kV
        <1.5kV
        <2.0kV
        <2.0kV
        Nominal discharge current (In)
        10kA
        Maximum discharge current (Imax)
        20kA
        The response time
        <25 ns
        The test on the basis of
        GB18802.1、IEC61643-1
        Plug in wire area L/N(mm2)
        6 mm2
        Access to the ground connection area PE(mm2)
        10 mm2
        Type of circuit breaker or circuit breaker
        10A~16A
        The work environment
        -40℃~+85℃
        Relative humidity
        <95%
        The installation
        Standard guide rail
        The shell material
        The glass fiber
        No file download

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