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75Ohm Surge Protection Device SPD 20kA , Coaxial Cable Lightning Arrestor

    Buy cheap 75Ohm Surge Protection Device SPD 20kA , Coaxial Cable Lightning Arrestor from wholesalers
     
    Buy cheap 75Ohm Surge Protection Device SPD 20kA , Coaxial Cable Lightning Arrestor from wholesalers
    • Buy cheap 75Ohm Surge Protection Device SPD 20kA , Coaxial Cable Lightning Arrestor from wholesalers

    75Ohm Surge Protection Device SPD 20kA , Coaxial Cable Lightning Arrestor

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    Brand Name : Uchi
    Model Number : OBVW-75C
    Certification : CE / SGS / ISO9001
    Price : Negotiate
    Payment Terms : T/T, L/C, Western Union
    Supply Ability : 60000 pieces per month
    Delivery Time : 5-15 days after payment
    • Product Details
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    75Ohm Surge Protection Device SPD 20kA , Coaxial Cable Lightning Arrestor

    Coaxial Surge Protector Rf Antenna Arrestor , Surge Protective Device


    Product Description

    OBVW is the series of devices for discharging transient overvoltages induced in coaxial lines. In accordance with IEC 61643-21. Coaxial format.


    Suitable for the protection of radiofrequency transmission and reception equipment. By their nature, they are highly exposed to induced transient overvoltages (surges) associated with meteorological activity.

    For BNC, F, N, TNC connectors.

    Ideal for the protection of transmission and reception systems such as TV and radio antennas, closed circuit TV (CCTV), alarms, etc.


    Technical and Parameters

    OBVW-
    BNC/75C
    OBVW-
    BNC/50C
    OBVW-
    N/75C
    OBVW-
    N/50C
    OBVW-
    F/75C
    OBVW-
    F/50C
    Maximum Continuous Operating Voltage Uc (~)DC68V / AC130V / AC280V
    Nominal Discharge Current In (8/20µs)kA10kA
    Maximum discharge current Imax (8/20µs)kA20kA
    Maximum peak power (W)<300
    InterfaceBNCNF
    Voltage protection level (Up)<600V
    Bandwidth (MHz)0-3000
    Standing wave ratio, VSWR≤1.2
    Insertion Loss≤0.1db
    Impedance(Ω)75Ω50Ω75Ω50Ω75Ω50Ω


    Advantage:

    • Lower Prices
    • Low Capacitance
    • High Discharge Current
    • Continuous and repeated protection in intense environment
    Application
    AC/DC distribution
    Power supplies
    Industrial automation
    Telecommunications
    Motor controls systems
    PLC applications
    Power transfer equipment
    HVAC applications
    AC drives
    UPS systems
    Security systems
    IT/Data centers
    Medical equipment
    Transient voltage surgesin lv power lines
    Transient overvoltages are voltage surges that can reach tens ofkilovolts with a duration of the order of microseconds.Despite theirshort duration, the high energy content can cause serious problemsto equipment connected to the line, from premature aging to
    destruction, causing disruptions to service and financial loss.Thistype of surge can have various different causes, including
    atmospheric lightning directly striking the external protection(lightning rods) on a building or transmission line or the associatedinduction of electromagnetic fields on metallic conductors.
    Outdoor and longer lines are the most exposed to these fields,which often receive high levels of induction.
    It is also common for non-weather phenomena, such as
    transformer centre switching or the disconnection of motors orother inductive loads to cause voltage spikes in adjacent lines.
    Surges in telecom andsignalling networks
    Surges tend to induce currents in allmetal conductors; not only are thepower lines affected, but so are allcables to a greater or lesser extent,depending on the distance to the focusof the surge.
    Although a lower current is induced,the effect produced is equally or moredestructive, due to the greatersensitivity of electronic equipmentconnected to communications lines(telephone, Ethernet, R, etc.).
    Importance of theground connections
    Overvoltage protectors (SPD) divert excess energy toground, so limiting the peak voltage to an acceptablevalue for connected electrical equipment.
    A ground connection in adequate condition is, therefore,a key aspect for effective protection against overvoltages.Monitoring ground connection condition guaranteesproper operation of surge protection devices.

    About SPD product

    Technology SPD parameter(Note:According to user requirement ,can be customized Uc=140V,440V,550V,voltage range of range of the SPD):

    Type No.Rated Voltage(V) UnContinuous Voltage Uc(V~)Standard Discharge Current In(KA)

    Max Discharge Current

    Imax(KA)

    Protection Level(KA~)Response Time(ns)
    DGM1(2)-D5220/380

    275/320

    385/420

    5101.2≤25
    DGM1(2)-D101021.6
    DGM1(2)-C2020401.8
    DGM13-B303060.2.2
    DGM3(4)-B4010802.4
    DGM(4)-B60601002.8
    DGM-N-PE220/25540/6060/801.2≤100

    Application SPD:

    • SPDs for CCTV is mainly used for supervisory control system, preventing product from lightning
    strike and surge.
    • Protect the video equipment effectively and ensure the image can display normally5.Inhibit the
    overvoltage pulse issue fromthe transmission line on the camera effectively, Avoiding the video
    surveillance equipment damage due to overvoltage pulse.
    • Offer surge protection for almost any products application in power, instrumentations and controls,
    network and data lines, coax and etc.
    • For Radio Antennas, GPS Antennas, CATV, CCTV and Satellite TV.



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