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  • LZZBJ9-12 / 150 (175) b / 2 (4)  Current Transformer
Medium Voltage Mutual Inductor, Embedded Pole

LZZBJ9-12 / 150 (175) b / 2 (4) Current Transformer

The four models of LZZBJ9-12/150 (175) b/2 (4) Current Transformerall adopt indoor epoxy resin ca...

  • Product Introduction
  • Product Features
  • Technical Parameters

Product Introduction

The four models of LZZBJ9-12/150 (175) b/2 (4) Current Transformerall adopt indoor epoxy resin casting insulation and totally closed pillar structure. The product can be applied to the power line and its equipment of rated voltage 12KV and rated frequency 50Hz, used for current & electric power measuring and protective relaying. Four secondary winding are available and can be combined according to the requirements of the customers. This series is applicable to KYN28 or other type switchgear.


Product Features

The secondary terminal of the current transformer is equipped with a wiring protective cover. There respectively is one hole on the front and two sides of the protective cover for the secondary line. Also the protective cover is fixed by seal screw with the anti-tampering function.

Technical Parameters

Rated    Insulation Level  12 / 42 / 75kV
Load  Power  Factor  COSφ=0.8 (Lag)
Rated  secondary current  5A or 1A
Surface Creepage Distance meet the requirements of Grade II Pollution Level
Product  Implementation    Standard GB20840.1-2010 and GB20840.2-2014
Instrument Security Factor  FS≤10


Other technical parameters  are  as  follows:

 

LZZBJ9-12/150b/2 Type

Rated primary current (A) Rated Short Time Thermal Current (kA) Rated Dynamic  Current (kA) Accuracy  Combination Rated Secondary Output (VA)
0.2(S) 0.5 10P10 10P15
5~150   150I1n 375I1n   10 10 20 15
200 31.5 80  
300,400 45 112.5 0.2(S)/10P10 15
500,600 63 130 0.5/10P10
800 80 160 0.2(S)/10P15 15 30
1000 80 160 0.5/10P15
1250 100 160  

 

LZZBJ9-12/175b/2 Type

 

Rated Primary Current (A) Rated Short Time Thermal Current (kA) Rated Dynamic  Current (kA) Accuracy Combination Rated Secondary Output (VA)
0.2(S) 0.5 10P10 10P15
5~15   100I1n 250I1n   10 20 20 20
20~200   150I1n 375I1n  
300 45 112.5 0.2(S)/10P10 30
400,500 63 130 0.5/10P10
600 80 160 0.2(S)/10P15
800~1000 0.5/10P15 15 30
1250 100 160  
1500~3150   30 60

 

LZZBJ9-12/150b/4 Type

 

Rated Primary Current (A) Rated Short Time Thermal Current (kA) Rated Dynamic  Current (kA) Accuracy  Combination Rated Secondary Output (VA)
20~100 150I1n 375I1n 0.2(S)/0.5/5P10 10/15/30
0.2(S)/0.5/5P15 10/20/20
0.2(S)/0.5/5P20 2010/10/15
0.2(S)/5P10 /10P15 2010/10/15
150,200 31.5 80 0.5/5P10 /10P20 2010/10/10
300,400 45 112.5 0.2(S)/0.5/5P10 10/15/30
0.2(S)/0.5/5P15 10/20/20
0.2(S)/0.5/5P20 2010/10/15
0.2(S)/5P10 /10P15 2010/10/15
500~800 63 130 0.5/5P10 /10P20 2010/10/10
  80 160 0.2(S)/0.5/5P10 10/15/30
  0.2(S)/0.5/5P15 10/20/20
1000~1250 0.2(S)/0.5/5P20 2010/10/15
  0.2(S)/5P10 /10P15 2010/10/15
  0.5/5P10 /10P20 2010/10/10

 

LZZBJ9-12/175b/4 Type

Rated Primary Current (A) Rated Short Time Thermal Current (kA) Rated Dynamic  Current (kA) Accuracy Combination Rated Secondary Output (VA)
20~100 150I1n 375I1n 0.2(S)/0.5/5P15 10/15/30
0.2(S)/0.5/5P20 10/15/20
0.2(S)/5P10/10P15 10/20/20
150,200 31.5 80 0.5/5P10 /10P20 10/20/15
300,400 45 112.5    
0.2(S)/0.5/5P15 10/15/30
0.2(S)/0.5/5P20 10/15/20
  63 130 0.2(S)/5P10/10P15 10/20/20
500~800 0.5/5P10 /10P20 15/20/15
     
  80 160 0.2(S)/0.5/5P15 15/30/30
1000~1250 0.2(S)/0.5/5P20 10/30/20
  0.2(S)/5P10/10P15 15/30/30
  0.5/5P10 /10P20 30/30/20
1500~2000 100 160 0.2(S)/0.5/5P15 15/30/40
0.2(S)/0.5/5P20 15/30/30
0.2(S)/5P10/10P15 15/30/30
0.5/5P10 /10P20 30/30/20
2500~3150 0.2(S)/0.5/5P15 20/40/40
0.2(S)/0.5/5P20 20/40/30
0.2(S)/5P10/10P15 20/30/30
0.5/5P10 /10P20 40/30/20