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CTF2 Series current transformer
Current Transformer

CTF2 Series current transformer

A current transformer (CT) is a vital piece of electrical equipment for controlling, monitoring, and protecting the power supply. Small, measurable quantities of extremely enormous alternating current (AC) are generated. Safety relays or sensitive measuring devices are typically attached to high-current power circuits in power generation, transmission, distribution, and industrial applications.

    Product Overview

    A CT uses electromagnetic induction and is made up of two windings: a secondary winding with several turns connected to safety or measurement devices, and a primary winding with a few turns connected in series to a high-current circuit. The primary winding receives a lot of current, whereas the secondary winding, which is typically tuned to 5A or 1A for the majority of industrial applications, receives very little. This proportionality, sometimes referred to as the transformation ratio, permits precise current monitoring while shielding personnel and equipment from dangerous voltages.

    CTs require high precision for energy metering, linearity to reduce measurement errors, and enough insulation to maintain a high voltage between windings. When using a CT, never leave the secondary winding open circuit. This is because an open circuit has the ability to generate extremely high voltages, which can harm electrical equipment.Finally, since they allow for more exact current monitoring and issue detection, current transformers are critical to the dependability, efficiency, and safety of contemporary electrical systems.

    Technical Parameters

    Type

    Specification

    (mm) Outline Size

    A

    B

    C

    D

    E

    F

    M

    CTF2-1025

    OOA/5A

    162

    71

    28

    155

    100

    25

    c5*7

    CTF2-1435

    250A/5A

    202

    81

    28

    195

    140

    35

    c5*7

    CTF2-1835

    400A/5A

    242

    82

    28

    235

    180

    35

    c5*7

    CTF2-2245

    630A/5A

    282

    92

    28

    275

    220

    45

    c5*7

    CTF2-3045

    1250A/5A

    363

    92

    28

    355

    300

    45

    c5*7

               Accuracy Grade: 1.0

    Overload Current:≥1.2%ln