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LMZW-0.72 户外低压电流互感器

1.Introduction:

Epoxy Resin Vacuum Casting Current Transformer with anti-aging, is suitable for outdoor environment ,for measuring current ,energy and protective relaying in AC circuit bellow 0.66Kv.

2.Type Description.

L-----------------------------Current Transformer

M----------------------------Busbar type

Z-----------------------------Casting insulation

W----------------------------Outdoor type

-0.72------------------------ Highest voltage for equipment(kV)

3.Standard


Compliant:IEC60044-1standard

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4. Working circumstance and installation condition

1)Installation circumstance :Indoor

2).Ambient temperature:-5℃-40℃。

3).Ambient humidity: RH≤80%

4.)Altitude:≤1000m

5).Atmosphere: NO serious pollution

5Construction Feature

Epoxy resin casting current transformer ,cores adopt cold-rolled silicon steel .primary winding is surrounded on secondary winding and have installing plate on the bottom of transformers.

 6. Main technical parameter         

1. Rated voltage: 0.6 kV

2. Rated Frequency: 50/60Hz

3. Rated Primary Current:15-1500A

4. Rated Secondary Current:5A

5. Longtime working under 120% rated current

6. Power-frequency withstand voltage on secondary winding to primary and ground:3kV/1min,non sparking.

Rated transformation ratio(A)

Np

Accuracy class and rated output (VA)

ALF

FS

0.2

0.5

1

10P

15/5

10

5

7.5

15

5

5

 

 

 

 

5

 

 

 

 

 

20/5

10

30/5

5

40/5

5

50/5

3

75/5

2

100/5

2

150/5

1

200/5

300/5

10

15

20

5

10

10

400/5

500/5

600/5

10

800/5

15

1000/5

15

10

1200/5

1500/5

 

Outline drawing



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