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HEYI Electrical CO.,LTD

Contact person: Bethy

Position: Managing Director

Tel: 86-577-62659558

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ADD: #21 ShangYou North

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 LZZB9-35Q current transformer

Description and meaning of model

LZZB9-35Q transformer is epoxy resin cast strut totally enclosed structure.Apply the rated voltage of 35kV and below.The rated frequency 50Hz line current,energy measurment and relay.

Characteristic of structure

This type of transformer is fully enclosed structure of the strut.Using a toroidal core coil. One,two windings and iron core,the cast resin molding.Strengthened insulation.Moisture condensation and II filthy conditions can also be run correctly.

This type of product is characterized by large capacity and high multiples of protection.Low partial discharge,the surface creepage distance of 875mm or more.The case of the product of the total working conditions.

Technical Data

1.Rated insulation level 12/42/75kV(surface condensation and artificial class II filthy conditions)

2.the load power factor 0.8lag

3.Rated secondary current of 5A

4.product standard:GB1208 the

5.Safety factor:FS<10

6.Surface creepage distance:to meet the gradeII pollution class requirements

7.Other parameters see table below

Technical parameters of double windings and double ratios

Rated primary current Accuracy class Rated output Short-time thermal current Rated Dynamic current
0.2,0.2S 0.5,0.5S 10P10 10P15 10P20





15 15 50 30 20 375Iln 150Iln/3
150 31.5/1 80
200 31.5/2 80
300~500 15 15 50 30 20 31.5/3 80
600~800 15 15 50 40 30 31.5/4 80
1000~2000 40 50 50 50 30 40/4 100
Outline dimension

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