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LZZBJ8-35W CEM Single Phase Factory Price Supply Isolation Current Transformer

 
The principle of current transformers is based on the principle of electromagnetic induction. A current transformer is composed of a closed iron core and winding. Its primary winding has very few turns and is connected in series 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 more turns and is connected in series in the measuring instrument and protection circuit. When the current transformer is working, its secondary circuit is always closed, so the impedance of the measuring instrument and protection circuit series coil is very small, and the working state of the current transformer is close to a short circuit.
 
 
Availability:
Quantity:
  • LZZBJ8-35W

  • DGG

1. current transformers are High safety: During the measurement process, the current transformer can effectively isolate the circuit, avoiding the possibility of direct contact with hazardous power sources and ensuring the personal safety of operators.


2. current transformers areHigh precision: Current transformers have high precision, making the current data measured through them very accurate, meeting the needs of various metering and protection operations.


3. current transformers are Long service life: By using high-quality materials and processes, the current transformer can maintain a high level of accuracy and reliability for a long time.


4. current transformers are Easy to install: The current transformer has a simple structural design, flexible and convenient installation method, and can adapt to the requirements of various lines and equipment..


1..Insulation level:40.5/95/200kV
2.Power factor:cosφ=0.8(lag)
3. Rated secondary current: 5A or 1A
4.Rated frequency :50Hz or 60Hz

5.Ambient temperature:-5ºC~+40ºC
6.Weight: 80kg


Single variable ratio parameter

Rated primarycurrent
(A)

Accuracy class

Rated output
(VA)

Rated short-time
thermal current(kA/S)

Rated Insulation
level(kA)

50

0.2S/0.5/10P10/10P10

0.2S/0.5/10P20/10P20

15/15/30/30

15/15/20/20

3.6

7.2

60

4.32

8.1

75

5.4

13.5

80

5.76

14.4

100

7.2

18

120

8.64

21.6

150

10.8

27

200

14.4

36

250

18

45

300

21.6

54

400

28.8

63

500

36

72

600

43.2

81

800

0.2S/0.5/10P30/10P30

15/15/20/20

57.6

120

1000-1600

72

144


Dual ratio parameter

Rated primary current
(A)

Accuracy class

Rated output
(VA)

Rated short-time
thermal current(kA/S)

Rated Insulation
level  (kA)

50-100

0.2S/0.5/10P10/10P10

0.2S/0.5/10P20/10P20

15/15/30/30

15/15/20/20

7.2

18

60-120

8.64

21.6

75-150

10.8

27

80-160

11.52

28.8

100-200

14.4

36

150-300

21.6

54

200-400

28.8

72

250-500

36

90

300-600

43.2

108

400-800

57.6

120

500-1000

72

144

600-1200

800-1600


Triple ratio parameter

Rated current ratio
(A)

Accuracy class

Rated output
(VA)

Rated short-time
thermal current (kA/S)

Rated Insulation
level(kA)

50-75-100/5

0.2S/0.5/10P10/10P10

0.2S/0.5/10P20/10P20

15/15/30/30

15/15/20/20

7.2

18

75-100-150/5

10.8

27

100-150-200/5

14.4

36

150-200-300/5

21.6

54

200-300-400/5

28.8

72

300-400-500/5

36

90

200-400-600/5

43.2

108

400-600-800/5

57.6

120

500-600-800/5

57.6

120

600-800-1000/5

72

144



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