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HEYI Electrical CO.,LTD

Contact person: Bethy

Position: Managing Director

Tel: 86-577-62659558

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 LZZ7-35Q current transformer

Description and meaning of model

The current transformer has epoxy resin cast fully enclosed structure .Applies to the rated voltage of 35kV and below.The rated frequency of 50Hz indoor power lines and equipment in current use of energy measurment and relay protection.This type of transformer with small size ,light weight,insulation excellent performance characteristics.You can also according to the needs of users.Made of a variety of special specififcations.Flexibility,is the ideal alternative LCZ-35Q.This type of transformer is suitable for the metal armor of from GSFC-10 ACinstalled a closed-end high-voltage switchgear.JYN2-10 single-bus handcart type switch cabinet.

Characteristic of structure

This type of transformer is fully enclosed structure of the strut.Annular core and the annealing treatment,primary and secondary windings and iron core with epoxy casting.Strengthened insulation.Moisture condensation and II filthy conditions can also be run correctly. The base has four holes for installation.

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

Rated primary current Accuracy class and rated output Rated output Short-time thermal current Rated Dynamic current
5~50 0.2/0.2/10P ,0.2/0.5/10P ,0.5/0.5/10P ,0.2S/0.5/10P 10/10/50 ,10/20/50 ,20/20/50 ,10/15/50 8/2 20
75 12/2 30
100 16/2 40
150 20/2 50
200 20/4 50
300~500 20/4 50
600~800 31.5/4 80
1000 40/4 100
Outline dimension

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