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TRDP Series Split Core Current Transformer

It is mainly used for measurement and protection of electrical equipment in 0.66kV AC power system. It can also be used in conjunction with relay protection

Main Characteristics

* Separate structure ,easy to install and easy to operate .

* The iron core can be divided ,the precision is high and the magnetic
circuit is small.

* For current measurement ,monitoring and protection of lines and
equipment.

*Internal windows are large and can pass through clamps, cables or
busbars.

Specification

Parameters

Symbol

Indicator

Rated Input Current

In

100A-5000A

Rated Output Current

Io

1A,5A

Rated Load

RL

1VA-30VA

Accuracy Class

ρ

0.5,1.0,1.5 class

Short-term Thermal Current

20×In

Power Frequency Withstand Voltage

Vd

3000V AC/1min

Insulation Resistance

≥1000MΩ/500V AC

Operation Temperature

Ta

-25℃-+75℃

Environment Humidity

≤85%

Operation Frequency

f

50-60Hz

Installation Precuations

* Before installing the open current transformer,it must be connected to the
electric meter (or other measuring device )

twice to ensure that the secondary transformer is not open

* Place all open current transformers connected with secondary wires on site
and wait for installation ;

* If the primary busbar on site is a cable ,lie installation can be
performed; If the primary busbar is a copper bar

,the live operation requires a relatively high level of proficiency for the
operator and requires good insulation protection measures ;

* When installing the transformer ,foreign objects such as impurities and
dust should not fall into the cut surface of the iron core ,so as not to affect
the performance of the transformer.

Main Specification

Type

Specification

Rated Load(VA)

0.5 class

1.0 class

1.5 class

TRDP-30*20

100A/5A

1.5

150A/5A

2

200A/5A

1.5

2.5

250A/5A

1.5

3.75

300A/5A

1.5

3.75

5

400A/5A

2.5

5

10

TRDP-60*40

200A/5A

1.5

2.5

300A/5A

1.5

2.5

2

400A/5A

1.5

2.5

2

500A/5A

2.5

5

15

600A/5A

2.5

5

17.5

750A/5A

2.5

5

18

800A/5A

2.5

7.5

18

1000A/5A

5

10

20

TRDP-80*50

250A/5A

1

1.5

3.75

300A/5A

1.5

2.5

5

400A/5A

1.5

2.5

5

500A/5A

2.5

5

15

600A/5A

2.5

5

17.5

750A/5A

2.5

5

18

800A/5A

2.5

7.5

18

1000A/5A

5

10

20

TRDP-80*80

250A/5A

1

2

4

300A/5A

1.5

2.5

5

400A/5A

1.5

2.5

5

500A/5A

2.5

5

15

600A/5A

2.5

5

17.5

750A/5A

2.5

5

18

800A/5A

2.5

7.5

18

1000A/5A

5

10

20

Type

Specification

 Rated Load(VA)

0.5 class

1.0 class

1.5 class

TRDP-100*50

500A/5A

2.5

5

15

600A/5A

2.5

5

17.5

750A/5A

2.5

5

18

800A/5A

2.5

7.5

18

1000A/5A

5

10

20

1200A/5A

5

12.5

24

1250A/5A

7.5

15

28

1500A/5A

7.5

17

30

TRDP-120*80

500A/5A

4

12.5

600A/5A

5

15

750A/5A

2.5

6

17.5

800A/5A

2.5

7.5

18

1000A/5A

5

10

20

1200A/5A

5

12.5

24

1250A/5A

7.5

15

28

1500A/5A

7.5

17

30

TRDP-140*60

1000A/5A

10

15

20

1500A/5A

15

20

25

2000A/5A

15

20

25

2500A/5A

15

20

25

3000A/5A

20

25

30

4000A/5A

20

25

30

5000A/5A

20

25

30

                   

TRDP-160*80

1000A/5A

10

15

20

1500A/5A

15

20

25

2000A/5A

15

20

25

2500A/5A

15

20

25

3000A/5A

20

25

30

4000A/5A

20

25

30

5000A/5A

20

25

30

Dimension

   

 Product Size

Dimensions

Perforation Size

 W

H

D

a

e

TRDP-30*20

90

114

40

22

32

TRDP-60*40

114

140

36

42

62

TRDP-80*50

122

160

40

52

82

TRDP-80*80

144

160

36

82

82

TRDP-100*50

144

190

48

52

102

TRDP-120*80

152

200

40

82

122

TRDP-140*60

164

234

52

62

142

TRDP-160*80

184

254

52

82

162

Installation Diagram

    

    

    

Installation Precautions

Before installing the open current transformer,it must be connected to the
electric meter (or other measuring device) twice to ensure that the secondary
transformer is not open;

Place all open current transformers connected with secondary wires on site
and wait for installation;

If the primary busbar on site is a cable ,lie installation can be performed;
If the primary busbar is a copper bar, the live operation requires a relatively
high level of proficiency for the operator and the requires good insulation
protection measures;

When installing the transformer ,foreign objects such as impurities and dust
should not fall into the cut surface of the iron core ,so as not to affect the
performance of the transformer.

   https://www.hbtrec.com/trdp-series-split-core-current-transformer.html

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