Ctt-kf series open and close current transformer

Product Overview

Functional characteristics

Parameter specifications

Test circuit

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Product Overview

Input current: 0~2000A; Output current: 0~100mA; Output voltage: 0~1V

General measurement and protection in power systems for highly mobile or spatially narrow or uninterrupted power systems.

Passed ISO 9001:2015; Fully compliant with RoHS and REACH requirements

Functional characteristics

Product characteristics

Split core design, small core loss, high precision

No need to disconnect the bus, convenient installation, does not affect the normal power consumption of customers

Beautiful appearance, small size, light weight

Buckle opening and closing structure, convenient opening and closing

Electrical characteristic

The maximum voltage of the equipment is 0.66kV

Rated input 0 to 2000A

Rated output 5A/1A/mA/mV

Operating frequency 50Hz~60HZ

Power frequency withstand voltage 4000V/1mA/1min (50Hz)

Insulation resistance DC500V/1000M2/min

Product characteristics

Operating environment: Temperature -40℃~ +85℃

Storage environment: Temperature -40℃~ +85℃

Relative humidity: not more than 95%(25℃)

Reference standard: IEC 60044-1&GB&T 20840.1-2017&ANSI C57.13

Parameter specifications

ELECTRICAL PROPERTIES(at 25°C) Output currentmA/mV

Model number

Input current

Maximum current

Output current

Output voltage

Load resistance

Precision

KCT-FK06

0-25A

30A

0-100mA

0-1V

0-10Ω

1.0

KCT-FK10

0-63A

63A

0-100mA

0-1V

0-10Ω

1.0

KCT-FK16

0-120A

150A

0-100mA

0-1V

0-10Ω

0.5/1.0

KCT-FK20

0-200A

240A

0-100mA

0-1V

0-10Ω

0.5/1.0

KCT-FK24

0-300A

360A

0-100mA

0-1V

0-10Ω

0.5S/0.5

KCT-FK36

0-600A

720A

0-100mA

0-1V

0-10Ω

0.5S/0.5

KCT-FK50

0-1000A

1200A

0-100mA

0-1V

0-10Ω

0.2/0.5S

KCT-FK50B

0-1000A

1200A

0-100mA

0-1V

0-10Ω

0.2/0.5S

KCT-FK64

0-2000A

2000A

0-100mA

0-1V

0-10Ω

0.2/0.5S


ELECTRICAL PROPERTIES(at 25°C)  Output current5A/1A

Model number

Input current(A)

load(VA)



0.2

0.5S

0.5

1.0

KCT-FK24

100

/

/

/

/

200

/

/

/

1

300

/

/

1

2.5

KCT-FK36

300

/

/

1

2.5

400

/

1

2.5

5

500

/

2.5

5

7.5

600

/

2.5

5

7.5

KCT-FK50

600

2.5

5

7.5

10

800

5

7.5

10

15

1000

5

10

15

20

KCT-FK50B

600

2.5

3.75

5

7.5

800

3.75

5

7.5

10

1000

5

7.5

10

20

KCT-FK64

1000

5

10

15

20

1500

10

15

20

25

2000

15

20

25

30



图片2


Dimensional tolerance: ±1.0mm(unless otherwise specified) Lead tolerance: ±5mm

Model number

A(mm)

B(mm)

C(mm)

D(mm)

E(mm)

F(mm)

KCT-FK06

6

25

16

18

11

11

KCT-FK10

10

40

23

26

14

16

KCT-FK16

16

46

29.5

32

19.5

19

KCT-FK20

20

56

36

36

25.5

24

KCT-FK24

24

68

45

36

22

29

KCT-FK36

36

85

57

42

24

37

KCT-FK50

50

108

78

48

27

48

KCT-FK50B

50

103

73

60

27

46

KCT-FK64

64

134

95

60

29

58


Detection circuit

Vout=Is x RL  RL≤10 Ohm

Note: This schematic shows the basic working principle of the transformer, which can be used to design the sampling circuit of the transformer for customers

Data Download

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