LZZB-36 36kV Current Transformer

  • Triple Secondary:Three secondary windings with tap options.
  • High Voltage:Rated insulation level 36/70/170kV.
  • Large Creepage:Extended external insulation distance for pollution resistance.
  • UV Resistant:Withstands ultraviolet radiation.
  • Epoxy Resin:Durable casting with full enclosure.
  • Standards Compliance:IEC 60044-1 & IEC 61869-1/2 certified.
Describe Display

The LZZB-36 current transformer is a 36kV indoor single-phase epoxy resin casting device featuring a fully enclosed support structure. It is designed with three secondary windings, each capable of being tapped, providing versatile measurement and protection options. The epoxy resin body ensures robust insulation and mechanical strength.

 

This product offers a large creepage distance on the external insulation surface, enabling it to withstand pollution, ultraviolet radiation, and harsh environmental conditions. It is ideally suited for pairing with outdoor 36kV (up to 40.5kV) sulfur hexafluoride (SF6) circuit breakers for measuring electric energy, current, and protective relaying. The transformer complies with IEC 60044-1 and IEC 61869-1 & 2 standards.

Product parameters
Single ratio

 

Rated transformer Ratio(A) Accuracy classes combination Rated output(VA)
COSφ=0.8
FS ALF Rated short-time thermal current( kA/S) Rated dynamic current(kA)
Measuring Protective
0.2(S) 0.5  10P
30-200/5 0.2(S)/0.2(S)

0.2(S)/0.5

0.2(S)/10P

0.5/10P
15

20
20

25
25

30
5

(10)
10

15

20
200l1n 500l1n
300/5 45  100 
400/5 63  125 
500/5 63  125 
600/5 80  160 
800/5 80  160 
1000/5 100  160 
1250/5 100  160 

 

 

Double ratio

 

Rated transformer Ratio(A) Accuracy classes combination Rated output(VA)
COSφ=0.8
FS ALF Rated short-time thermal current( kA/S) Rated dynamic current(kA)
Measuring Protective
  0.2(S) 0.5  10P
30-60/5 0.2(S)/0.2(S)

0.2(S)/0.5

0.2(S)/10P

0.5/10P
15

20
20

25
25

30
5
  (10)
10

15

20
50-100/5 20 
100-200/5 15  37.5 
200-400/5 30  75 
400-800/5 63  130 
500-1000/5 63  130 
600-1200/5 80  160 
750-1500/5 100  160 
Size/Installation

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Suitable for substations, industrial power grids, new energy projects and other demanding scenarios
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