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LZZBJ9-24-180b/2 、 LZZBJ9-24-180b/4 Current Transformer

LZZBJ9-24-180b/2 、 LZZBJ9-24-180b/4 Current Transformer

Additional information

Product Details:

Introduction

LZZBJ9-24/180b/2, LZZBJ9-24/180b/4 series of full enclosed dry type current transformer, which is indoor epoxy resin
casting insulation, encloses primary & secondary windings and annular core in the epoxy resin casting body.
It is widely used for measuring current, electric energy and relaying protection in the electrical system with the rated
voltage up to 17.5(24) kV, rated frequency 50HZ or 60HZ.

 

Technical Data

– Rated insulation level: 24/65/125kV
– Rated secondary current: 5A or 1A
– Power frequency withstand voltage: 17.5kV, 24kV
– Rated frequency: 50/60Hz
– Ambient temperature: -5°C ~+40°C
– Altitude : ≤1000m
-Standard: IEC 60044-1, GB1208-200

 

Specification

LZZBJ9-24/180b/2

Rated transformer

Ratio(A)

Secondary accuracy classes combination Rated output

(VA)

Measuring current’s instrument security factor Protective current’s accuracy limit factor Rated short-time thermal current (kA/S) Rated dynamic current ( kA)
Measuring Protective
0.2(S) 0.5 10P
20-200/5 0.2(S)/0.2(S)

0.2(S)/0.5

0.2(S)/10P

0.5/10P

10

15

15 15 5

(10)

10

15

150I1n 375I1n
300/5 31.5 80
400/5 31.5 80
500/5 40 100
600/5 50 125
800/5 20 63 125
1000/5 80 160
1250/5 80 160

LZZBJ9-24-180b/4

  1. Three secondary single ratio
Rated transformer

Ratio(A)

Secondary accuracy classes combination Rated output

(VA)

FS ALF Rated short-time thermal current (kA/S) Rated dynamic current ( kA)
Measuring Protective
0.2(S) 0.5 10P
15-30/5

20-40/5

……….

500-1000/5

0.2S/0.5/10P

0.2/0.5/10P

0.5/0.5/10P

0.2S/10P/10P

0.2/10P/10P

0.5/10P/10P

15 15 10

 

 

15

5

(10)

10

15

20

100I1n 250I1n
600-1200/5 50 105
750-1500/5 63 130
800-1600/5 80 160
1000-2000/5 80 160
1250-2500/5 100 200

2.Three secondary double ratio

Rated transformer

Ratio(A)

Secondary accuracy classes combination Rated output

(VA)

FS ALF Rated short-time thermal current (kA/S) Rated dynamic current ( kA)
Measuring Protective
0.2(S) 0.5 10P
15-300/5 0.2S/0.5/10P

0.2/0.5/10P

0.5/0.5/10P

0.2S/10P/10P

0.2/10P/10P

0.5/10P/10P

15 15 15

 

 

20

5

(10)

10

15

20

100I1n 250I1n
400/5 ~600/5 50 105
800-1000/5 63 130
1200/5 80 160
1500/5 80 160
2000/5 100 200
2500/5 125 200

Outline

lzzbj9 24 180b/2 、 lzzbj9 24 180b/4 current transformer

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