Custimised Current Transformer Ratios 5A Coil Winding Transformer Current Transformer Coils

Products can be customised

Open-close installation current transformer suitable for power collection and power detection.

  • Work temperature :

    -40℃~80℃
  • Protection level :

    IP68
  • Certification :

    UL, CE
  • Turns ratio :

    customisable
  • Alloy Grade :

    1J85, 1J86

Working principle:

The principle of current transformer is based on the principle of electromagnetic induction. The current transformer is composed of a closed core and windings. Its primary winding has very few turns, which is stringed in the line of the current that needs to be measured. Therefore, it often has all the current flowing through the line. The secondary winding has a relatively large number of turns. It is serially connected to the measuring instrument and the protection circuit, and the current mutual inductance When the transformer is working, its secondary loop is always closed, so the impedance of the series coil of the measuring instrument and the protection loop is very small, and the working state of the current transformer is close to short-circuit.

 

It is mainly used for power extraction, energy conversion, power measurement, leakage protection, etc. Such as: various types of different levels of current transformers, power transformers, current sensors, etc. used in the power system.

Feature:

1. High power
2. Strengthen the anti-rust ability
3. light weight
4. Flexible customization

Application:

  1. Fault indicator
  2. Traveling Wave Ranging Device
  3. Branch monitoring unit

 

Current transformer coils can be customised

Size (mm)

Cross-sectional area(mm²)

Input current (A) Output power (mW) No-load voltage (V)
55*65*5 25 10 25.6 5.19
55*75*10 100 5 45 8.6
55*75*12 120 5 54 10.3
55*78*12 144 5 52 12.5
48*68*15 150 5 49 9.64
55*75*20 200 3 40 8.1
86*107*20 210 5 72 8.0
55*78*28 336 5 118 14.1
76*106*27 405 5 88 11.7
64*106*20 420 5 163 19.5
58*89*40 620 5 200 18.4

 

Features and uses:

This type of iron core has superior magnetic properties, high permeability in a weak magnetic field, low saturation magnetic induction and high resistivity. It is mainly used for power transmission, energy conversion, energy measurement, and human Electric protection and other aspects. Such as: various types of current, voltage transformers, safety devices used in power systems, and other examples: input transformers, pulse transformers, magnetic amplifiers, magnetic screens, sensor stepping motors and electronics used in automatic control systems Computer memory components, etc., are widely used.

 

Hemei Electronics to lead the industry by increasing its R&D investment in soft magnetic materials, high-conductivity pickup cores, and manufacturing processes. Our magnetic core coils combine the measurement of current and the extraction of electrical energy in a wide range of applications, please feel free to submit your needs.

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