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LZZW-36 Outdoor Current Transformer

Epoxy resin casting insulation and fully enclosed support construction, encloses the primary & secondary windings and annular core in the epoxy resin casting body. The product has large periphery insulation creepage distance, withstanding dirtiness and dampness. Be suitable for measuring electric capacity, current and protective relaying in the power system of 36kV (Up to 40.5 kV).

DESCRIPTION

Main technical parameter

1.  Rated voltage: 30 kV or 33 kV or 34.5kV or 35kV etc

2.     Rated secondary current:5Aor1A

3.     Rated insulation level: 36/70/170 kV (40.5/95/200 kV)

4.     Standards: IEC60044-1.2003 Part 1: Instrument transformers-Part1: Current transformers

5.     Other technical parameter pls see as follow

Single ratio

Rated current ratio (A)

Accuracy classes combination

Rated output

(VA)

FS

ALF

Rated short-time thermal current (kA/S)

Rated dynamic current ( kA)

Measuring

Protective

0.2S

0.5

10P

30-200/5

0.2(S)/0.2(S)

0.2(S)/0.5

0.2(S)/10P

0.5/10P

10

15

15

20

20

25

5

(10)

10

15

20

150I1n

375I1n

300/5

31.5

80

400/5

40

100

500/5

50

100

600/5

63

130

800/5

80

160

 

Double ratio

Rated current ratio (A)

Accuracy classes combination

Rated output

(VA)

FS

ALF

Rated short-time thermal current (kA/S)

Rated dynamic current ( kA)

Measuring

Protective

0.2S

0.5

10P

30-60/5

0.2(S)/0.2(S)

0.2(S)/0.5

0.2(S)/10P

0.5/10P

10

15

15

20

20

25

5

(10)

10

15

20

2

5

50-100/5

8

20

100-200/5

15

37.5

200-400/5

30

75

400-800/5

63

130

Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.

Outline drawing



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