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  • LZZB9-35D (L) Current Transformer
Medium Voltage Mutual Inductor, Embedded Pole

LZZB9-35D (L) Current Transformer

LZZB9-35D (L) current transformer adopts indoor epoxy resin casting and pillar structure. The pro...

  • Product Introduction
  • Product Features
  • Technical Parameters

Product Introduction

LZZB9-35D (L) current transformer adopts indoor epoxy resin casting and pillar structure. The product can be applied to indoor power system of rated frequency 50Hz and rated voltage 40.5KV or below, used for current & electric power measuring and protective relaying, and applicable to mid-set switchgear or other type switchgear. This product possesses the characteristics of high power and thermal stability parameter, large secondary output capacity and stable insulation performance. More complex product can be produced according to the requirements of the customers.

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. The surface creepage distance is great than or equal to 1088mm, which can meet the requirements of altitude 3500m. With E insulation level , this product is the first choice for KYNS-40.5 swicthgear.


Technical Parameters

Rated Insulation Level  40.5 / 95 / 185kV
Rated Frequency  50Hz or 60Hz
Rated Secondary Current  5A or 1A
Product  Implementation  Standard  GB 1208-2006 Current transformer
Ambient    Temperature  -5℃~+40℃.


 Other technical parameters  are  as  follows: 


Rated primary current (A) Rated Short Time Thermal Current (kA/s) Rated Dynamic  Current (kA) Accuracy  Combination Rated  Output (VA)
0.2(S) 0.5 5P15 5P20
20~100 150I1n/2 375 I1n 0.2(S)/0.5/5P20 0.2(S)/0.5/5P15/5P15 10 30 30 20
150 31.5/1 80
200~500 31.5/2 80
600~800 31.5/4 80 15 15 30 20
1000~2500 40/4 100