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IEC60044-1 3000/5A Bus Bar Type Low Voltage Split Core Current Transformer With Lead Seal

Categories Split Core Current Transformer
Brand Name: GFUVE
Model Number: FU120-3000A
Certification: CE, UL, ISO9001
Place of Origin: BEIJING CHINA
MOQ: 3PCS
Price: 10-150USD/unit
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 50000PCS/MONTH
Delivery Time: 3-7days
Packaging Details: Standard Export Box
Name: BUS BAR CURRENT TRANSFORMER
Application: Current measurement
Usage: Busbar
Working life: 10 years
Material: PC and Supercrystalline alloy
Ratio: 1A or 5A 333mV AC or 100mV-10V optional
Accuracy: 0.5%
FS: <10
Burden: 5VA
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    IEC60044-1 3000/5A Bus Bar Type Low Voltage Split Core Current Transformer With Lead Seal

    FU120 IEC60044-1 standard 3000/5A Bus bar type Low Voltage Split core Current Transformer with lead seal

    FEATURES

    • Easy install or remove with power on;
    • Stable and reliable;
    • Ratio could be customized;
    • Various size to meet different busbar installation;
    • Can apply with relay tester, measuring and metering devices.

    The Current Transformer ( C.T. ), is a type of “instrument transformer” that is designed to produce an alternating current in its secondary winding which is proportional to the current being measured in its primary. Current transformers reduce high voltage currents to a much lower value and provide a convenient way of safely monitoring the actual electrical current flowing in an AC transmission line using a standard ammeter. The principal of operation of a basic current transformer is slightly different from that of an ordinary voltage transformer.


    Typical Current Transformer

    Unlike the voltage or power transformer looked at previously, the current transformer consists of only one or very few turns as its primary winding. This primary winding can be of either a single flat turn, a coil of heavy duty wire wrapped around the core or just a conductor or bus bar placed through a central hole as shown.

    Due to this type of arrangement, the current transformer is often referred too as a “series transformer” as the primary winding, which never has more than a very few turns, is in series with the current carrying conductor supplying a load.

    The secondary winding however, may have a large number of coil turns wound on a laminated core of low-loss magnetic material. This core has a large cross-sectional area so that the magnetic flux density created is low using much smaller cross-sectional area wire, depending upon how much the current must be stepped down as it tries to output a constant current, independent of the connected load.

    The secondary winding will supply a current into either a short circuit, in the form of an ammeter, or into a resistive load until the voltage induced in the secondary is big enough to saturate the core or cause failure from excessive voltage breakdown.

    Unlike a voltage transformer, the primary current of a current transformer is not dependent of the secondary load current but instead is controlled by an external load. The secondary current is usually rated at a standard 1 Ampere or 5 Amperes for larger primary current ratings.

    There are three basic types of current transformers: wound, toroidal and bar.

    • Wound Current Transformer – The transformers primary winding is physically connected in series with the conductor that carries the measured current flowing in the circuit. The magnitude of the secondary current is dependent on the turns ratio of the transformer.
    • Toroidal Current Transformer – These do not contain a primary winding. Instead, the line that carries the current flowing in the network is threaded through a window or hole in the toroidal transformer. Some current transformers have a “split core” which allows it to be opened, installed, and closed, without disconnecting the circuit to which they are attached.
    • Bar-type Current Transformer – This type of current transformer uses the actual cable or bus-bar of the main circuit as the primary winding, which is equivalent to a single turn. They are fully insulated from the high operating voltage of the system and are usually bolted to the current carrying device.

    PARAMETERS


    Electrical parameters 
    Accuracy class0.5%
    Primary current300A-3000A
    Secondary current5A
    Characteristic and applicationAvailable for copper platoon that under 3000A online measurement.
    Load capacity0.1Ω(1A output), 2.5VA(5A output), 5VA
    InstallationBracket and Bus bar installation
    Output modeTerminal output
    Mechanical parameters 
    Width of the clamping copper platoon (mm)120×30, 120×130, or others

    Theory


    Split core current transformers


    Current transformer principle is based on the principle of electromagnetic induction. Current transformer is composed of closed core and winding. Its primary winding winding few, string in the need to measure the current line, it often has all the current flowing lines, the secondary winding more turns, in series with the measuring instruments and protection circuit, When the current transformer is working, its secondary side circuit is always closed, so the impedance of the measuring coil and the protective circuit in series is very small, and the working state of the current transformer is close to short circuit. Current transformer is the primary side of the current into a secondary side of the small current to use, the secondary side can not be open.


    Applications


    Busbar Type Split Core Current Transformer also called Split Core Current Transformer or Openable Current Transformer. It mainly applies for electric system renovation project with easy installation, no need to remove primary busbar, can also operate when power on without affect clients’ normal electricity utilization. It can help clients renovate projects and improve efficiency to save human, material and financial resources. This series can apply with relay tester, measuring and metering devices.


    Quality IEC60044-1 3000/5A Bus Bar Type Low Voltage Split Core Current Transformer With Lead Seal for sale
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