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Contact person: Bethy

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Tel: 86-577-62659558

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Mobile: 86-13968747975

E-mail: heyi@heyiele.com

bethy@heyiele.com

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 LZZBJ12-10 current transformer

Description and meaning of model

The current transformer is epoxy resin cast pillar structure of the fully enclosed for indoor AC Rated frequency 50Hz,rated voltage of 10kV and below the power line current,electrical energy measurment and relay protection.In order to expand the scope of this type transformer design three different technical parameters,to choose from.In addition.Based on user needs,this type of transformer can be designed for the special specifications of the varied and the measured level and protection level change.

Characteristic of structure

The current transformer is the pillar structure,the use of epoxy pouring full-closed,resistant to pollution and humidity,but also suitable for tropical regions.The transformer does not require special maintenance,just on a regular basis to remove surface dirt.Completely closed due to current transformer with epoxy resin casting.Small size,Suitable for any location,and installed in any direction.

Technical Data

1.Rated insulation level 12/42/75kV(surface condensation and artificial class II filthy conditions)

2.the load power factor 0.8lag

3.Rated secondary current of 5A

4.product standard:GB1208 the

5.Safety factor:FS<10

6.Surface creepage distance:to meet the gradeII pollution class requirements

7.Other parameters see table below

Rated primary current 1 second heat current Dynamic current Accuracy class Rated secondary output
0.2 0.5

SP10

,10P10

5P15,

10P15

10-50 200Iln 500Iln

0.2S/10P,0.2/10P,

0.5S/10P,0.5/10

P,0.2S/5P,0.2/5P

,0.5S/5P,0.5/5

15 20 30 15
75 21 52.5
100 31.5 78
150-200 45 112.5
300 50 125 20
400 50 125 40 30
500-630 80 180
800-1250 80 180 30 60 40
1500-3150 100 200 20 40

High dynamic thermal stability parameters

Rated primary current 1 second heat current Dynamic current Accuracy class Rated secondary output
0.2 0.5

SP10

,10P10

5P15,

10P15

5P20,

10P20

5P30,

10P30

50 31.5 78

0.2S/10P,0.2/10P,

0.5S/10P,0.5/10P

,0.2S/5P,0.2/5P

,0.5S/5P,0.5/5P

10 15
75-100 45 78 10 10 15
150-200 63 157.5 10 10 15
300-500 63 157.5 10 10 15 15
600-1250 80 180 10 15 15 20
1500-3150 100 200 15 20 15 25 30 15

The second three-winding parameters

Rated primary current 1 second heat current Dynamic current Accuracy class Rated secondary output
0.2 0.5 5P10,10P10 5P15,10P15
10-40 150Iln 375Iln

0.2S/10P,0.2/10P,

0.5S/10P,0.5/10P

,0.2S/5P,0.2/5P,

0.5S/5P,0.5/5P

10 15 15
50-75 8 20 10 15 15
100 21 52.5 10 15 15
150 31.5 78.5 10 15 15
200 40 100 10 15 15
300-400 45 112.5 15 20 25 15
500 55 130 15 20 25 15
600 55 130 15 20 30 20
800-1250 63 130 20 25 30 20
1500-3150 100 200 20 30 40 20

Outline dimension


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Contact Online bethycai 285611779 86-13968747975 bethy@heyiele.com