IP67 Outdoor Waterproof Split Core Current Transformer 800A Input 0.5%/1.0% Accuracy CT

The split core current transformer are designed for fast and easy installation.
The CTs are ideal for installation on existing electrical cables by clamping on the conductor.This method permits a safer,easy and portable current measurement.An internal precision burden resistor across the secondary winding of the CT provides a safe low voltage output and permits safe opening of the secondary.

  • Work temperature :

    -40℃~70℃
  • Protection level :

    IP67
  • Certification :

    CE, UL,RoHS
  • Frequency :

    50Hz~400Hz
  • Fire resistance property :

    UL94-Vo
  • Rated load :

    ≥3.75VA
  • Inner diameter :

    26mm

Dimensions::

 

General technical indicators

 

 

 Technical indicators  Indicator parameters
  Input current
  0.1A~800A
  Output   mA/1V     1A/5A
  Rated accuracy level
  0.2% / 0.5%
  Waterproof grade
  IP67
  Usage scenarios   Indoor / Outdoor
  Usage   Measure
  Frequency   50Hz-400Hz
  Turns Ratio   500:1/ 1000:1/ 2000:1/ 3000:1(Customizable)
  Operating voltage   ≤0.72KV
  Rated short-time thermal current   60 times rated current @1sec
  Insulation resistance   ≥1M ohms@500Vdc
  Power frequency withstand voltage   3500V@2mA\1min\50Hz
  Product flame retardant level   UL94-V0
  Insulation heat resistance level   E level
  Phase linearity error   ≤20′
  Certificate   CE/UL/RoHS
  Load   1.5VA-5VA
  Storage temperature
  -40ºC-80ºC
  Work temperature
  -40ºC-70ºC

 

Principle:

The principle of split core 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 a few turns, which are stringed in the line where the current needs to be measured. Therefore, it often has all the current flowing through the line. The secondary winding has a large number of turns, which is connected in series to the measuring instrument and the protection circuit. When the current transformer is working, its secondary side loop is always closed, so the impedance of the series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit. The current transformer is used to convert a large current on the primary side into a small current on the secondary side, and the secondary side cannot be opened.

 

 

Products can be customised

Model Inner diameter Turns Ratio Input Current Accuracy
HM-CTOW-26 26mm 500/1 1000/1 2000/1 3000/1 (Customizable) 0.1A~800A 0.2% / 0.5%
HM-CTOW-60 60mm 500/1 1000/1 2000/1 3000/1 (Customizable) 1A~2000A 0.1% / 0.2% / 0.5%
HM-CTOW-160 160mm 500/1 1000/1 2000/1 3000/1 (Customizable) 1A~2000A 0.5% / 1.0%

 

Feature:

1. Split core current transformer with interleaved joint and hinge structure

2. Wide range of sizes to accommodate all the existing installations

3. Split core CT current transformer

4. Epoxy Potting, Double-screw fastening

5. Wide inner window, allowing clamping of big cables or bus-bars

6. Test range: 0.25 to 2000A  AC input, output of 0-10V(AC) or 0-5A

7. High accuracy and reliability

8. Test hole series size clamp leaker AC current transformer

9. Inherit the simple structure of the traditional C cores

10. Clamp-on core design, safer, easier installation, portable, don’t need to cut of the grid-power when adjust the inductance

11. Energy conservation & environment protection, huge potential market

 

Application:

High-voltage transmission lines/medium-voltage distribution networks/high-speed rail/underground mines/energy consumption monitoring/metallurgy/dock shore power/large pump industry/hydropower and wind power detection/water conservancy monitoring/new energy vehicles/smart power consumption/smart mines/civilian airports/others Industry application

 

Hemei Electronics is a professional manufacturer in China devoted in research, design, and production of Split Core Current Transformer(CTs). Measure AC current from 0.25A to 2000A, Output can be 1V/mA, 1A / 5A. Welcome to contact us for customized products.

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