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HEYI Electrical CO.,LTD

Contact person: Bethy

Position: Managing Director

Tel: 86-577-62659558

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 LAJ-10Q current transformer

Description and meaning of model

LAJ-10Q applies to the rated frequency 50Hz or 60Hz.Rated voltage rating for the current power system of the 10kV and below indoor installations. Energy measurment and relay protection.

Characteristic of structure

The transformer is epoxy resin cast. 300A and semi-enclosed structure,400A-800A single turn full closed casting structure,strengthen the external insulation strength condition  products.

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.rated primary current  ,accurate level and the corresponding rated output. Rated short time thermal current are shown in table

Rated primary currnet Accuracy class and rated output 1 second heat current (kA)(rms) Dynamic current (kA)(peak)
0.25class,0.2class 0.5class 1class 10Pclass
20~200 10 15 20 15 120 I1n 215 I1n
300 30 I1n 54 I1n
400 10 30 I1n 54 I1n
500 30 I1n 55 I1n
600,800 15 20 25 20 30 I1n 75 I1n

Outline dimension

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