Needle inserted Zero-sequence Current Transformer

1)Meet UL943 requirement to zero-phase current transformer
2)High sensitivity and detect leakage current  of 5 mA
3)Perfect over-leakage feature and resist to shock of  heavy current
4)Operation temperature -35℃~80℃
5)High potential voltage:4000Vac/min
6)ROHS
Application:
1)GFCI
2)Mini circuit breaker
3)Earth leakage protection switch
4)ALCI
5)Earth Leakage module 
According to:                                                                       

 

 

 

Needle inserted Zero-sequence Current Transformer

Part No

A
(min)

B
(max)

C
(max)

D
(max)

E
(±0.2)

F
(±1.0)

G
(±0.2)

H
(±0.2)

CT501

6.80 

17.30 

7.00 

18.30 

10.00 

4.00 

 

 

CT502

6.80 

17.30 

5.70 

18.30 

10.00 

4.00 

 

 

CT503

5.50 

15.40 

6.00 

16.80 

6.40 

4.00 

9.60 

 

CT504

5.70 

17.50 

7.90 

18.75 

14.30 

4.00 

4.60 

 

CT505

9.30 

20.90 

7.20 

23.45 

5.50 

4.00 

12.00 

 

CT506

5.00 

17.00 

9.50 

20.00 

12.50 

4.00 

 

 

CT507

6.00 

18.60 

10.00 

20.50 

12.70 

4.00 

 

 

CT508

9.60 

25.30 

14.20 

30.00 

15.00 

4.00 

10.50 

19.00 

CT510

6.80 

17.50 

6.60 

18.00 

12.00 

4.00 

 

 

CT511

6.80 

17.50 

7.80 

18.00 

12.00 

4.00 

 

 

CT513

8.20 

18.00 

5.60 

20.00 

9.00 

4.00 

12.00 

 

CT514

6.60 

17.00 

5.60 

19.00 

6.00 

4.00 

9.80 

 

CT515

8.00 

18.00 

6.50 

21.30 

7.60 

4.00 

12.00 

 

CT516

7.00 

17.00 

7.00 

19.00 

2.50 

4.00 

5.70 

 

CT517

6.70 

16.50 

6.40 

21.00 

17.70 

4.00 

 

 

CT518

7.00 

17.30 

7.00 

18.30 

10.00 

4.00 

 

 

CT526

5.70 

18.30 

7.90 

19.15 

14.30 

4.00 

4.60 

 

CT527

7.60 

18.20 

8.00 

18.90 

12.75 

4.00 

 

 

CT528

9.30 

20.90 

7.20 

23.45 

8.00 

4.00 

12.00 

 

CT529

6.70 

21.80 

7.80 

17.00 

2.50 

5.00 

6.00 

 

CT532

5.00 

18.50 

10.00 

20.00 

15.25 

4.00 

 

 

CT533

5.50 

16.50 

8.00 

17.50 

12.50 

4.00 

4.60 

 

CT534

6.80 

17.50 

6.60 

18.00 

12.00 

4.00 

9.00 

 

Part No

Rated current 
(A)

 Variety rate of -35~80℃

 Variety rate of magnetization 

Output voltage 
Vo(mV),L(mH)

Test condition 

CT501

30

-10%~10%

-10%~0%

6.4~8.4

Iin=11.25mA,RL=750Ω

CT502

30

-10%~10%

-10%~0%

6.4~8.4

Iin=11.25mA,RL=750Ω

CT503

30

-10%~10%

-10%~0%

8~11

Iin=11.25mA,RL=1KΩ

CT504

30

-10%~10%

-10%~0%

≥50

Iin=20mA,RL=100KΩ

CT505

30/50

-10%~10%

-10%~0%

17-21

Iin=22.5mA,RL=1KΩ

CT506

30

-10%~10%

-10%~0%

L=270-340

f=10KHZ,U=1V

CT507

30

-10%~10%

-10%~0%

≥25

Iin=20mA,RL=1KΩ

CT508

30/50\80

-10%~10%

-10%~0%

≥200

Iin=15mA,RL=47KΩ

CT510

30

-10%~10%

-10%~0%

≥6.1

Iin=25mA,RL=220Ω

CT511

30

-10%~10%

-10%~0%

≥4.8

Iin=22mA,RL=62Ω

CT513

30/50

-10%~10%

-10%~0%

3.0-3.4

Iin=20mA,RL=150Ω

CT514

30

-10%~10%

-10%~0%

3.0-3.4

Iin=20mA,RL=150Ω

CT515

30/50

-10%~10%

-10%~0%

2.8-3.2

Iin=20mA,RL=150Ω

CT516

30

-10%~10%

-10%~0%

17~21

Iin=22.5mA,RL=1KΩ

CT517

30

-10%~10%

-10%~0%

4.6-5.0

Iin=20mA,RL=150Ω

CT518

30

-10%~10%

-10%~0%

L=500±25%

f=1KHZ,U=1V

CT526

30

-10%~10%

-10%~0%

17~21

Iin=22.5mA,RL=1KΩ

CT527

30/50

-10%~10%

-10%~0%

17~21

Iin=22.5mA,RL=1KΩ

CT528

30/50

-10%~10%

-10%~0%

17-21

Iin=22.5mA,RL=1KΩ

CT529

30/50

-10%~10%

-10%~0%

5.65-7.75

Iin=11mA,RL=360Ω

CT532

30

-10%~10%

-10%~0%

8~11

Iin=11.25mA,RL=1KΩ

CT533

30

-10%~10%

-10%~0%

6.4~8.4

Iin=11.25mA,RL=750Ω

CT534

30

-10%~10%

-10%~0%

6.3-6.8

Iin=25mA,RL=200Ω

The other specification can be done according to your requirement