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TAL3230 Series Vertical Core Box-type AC Current Transformer
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TAL3230 Series Vertical Core Box-type AC Current Transformer
特点:
1.立式穿芯,安装方式灵活,既可固定于母线上,又可固定在底板上;
2.可配用多种型式的母线,如扁排式、圆形母线或电缆线;
3.输出端子为螺丝紧固压线式标准端子,便于在工程现场接线;
4.盒式结构,塑壳封闭,外形美观。
TAL3230 General Technical Specifications for Standard Products:

1Features: 

① Vertical core, flexible installation, can be fixed on the busbar or on the bottom plate;

② It can be equipped with various types of busbars, such as flat busbars, round busbars or cables;


 The output terminal is a screw fastened crimping type standard terminal, which is convenient for wiring at the engineering site;

④ Box structure, closed plastic case, beautiful appearance.

 

2Ambient Conditions:

① Ambient temperature: -30℃~+70℃;

② Relative humidity: ≤90% at 40℃;

③ Atmospheric pressure: 8601060mbar

(about 650800mmHg).

 

3Operating Frequency Range: 20Hz~1kHz

 

4Insulation Thermal ClassClass E (120°C)

 

5Safety Features:

① Insulation resistance: >1000MΩ in normal condition;

② Insulation withstand voltages: 3000V 50Hz/1min;

③ Fire retardancy: In conformity with UL94-V0.

 

6. Outline Drawing, Installation Dimension and Coil Drawing:( tolerance ± 1mm )

① Outline drawing and installation dimensions are shown in Fig 1:

② The coil diagram is shown in Fig 2:


image.png

  image.png

Note: Each product is supplied with

 two bottom plate feet, one busbar

foot, two screws and suction cups for

fixing the busbar, and the installation


instructions are as follows.

image.png


Installation Instructions:

● When fixing to the bottom plate: take two feet ( supplied with the product ) and insert them into the foot sockets on the bottom plate as shown in Figure 3. The center distance of the mounting holes is 60 × 32 ; the mounting hole diameter of the feet is Φ5.0; the transformer can be fixed on the bottom plate with M5 screws.


● When fixing on the busbar: take a foot with M5 holes ( supplied with the product ) and insert it into the busbar foot slot as shown in Figure 3. The center distance of the M5 holes is 5 9 , and the transformer can be fixed on the busbar with M5 screws .

 

7. Typical Application and Performance Parameters:

See the table below for performance parameters when applied as shown in Figure 4.

image.png

Model

Rated

Input Current

Rated

Output Current

Rated

Sampling Resistor

R L

Rated

Sampling Voltage

Phase Shift

Non-linearity

Linear Range

TAL3230-1

100A

5A

0.125Ω

0.625V

30'

≤0.5%

2 times of rated value

TAL3230-2

150A

5A

0.188Ω

0.938V

30

≤0.5%

2 times of rated value

TAL3230-3

200A

5A

0.25Ω

1.25V

30

≤0.5%

2 times of rated value

TAL3230-4

250A

5A

0.312Ω

1.56V

30

≤0.5%

2 times of rated value

TAL3230-5

300A

5A

0.375Ω

1.88V

30

≤0.5%

2 times of rated value

TAL3230-6

400A

5A

0.5Ω

2.5V

30

≤0.5%

2 times of rated value

Notes:

a. In practical applications, the sampling resistor should be less than or equal to the Rated value given in the above table, which will improve the nonlinearity and phase shift.

b. If the conversion ratio required by the user is different from the above, it can be customized according to the user's requirements.

 

8Attention:

 Connect the primary of the current transformer in series with the measured current loop, and operate the secondary in near short circuit mode.

 Do not allow the secondary of the current transformer to be open circuited and do not install any fuse on the secondary. 


Application Case
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