Instrument transformer

Indoor and Outdoor type.

Oil and Dry type.

MV and LV

Indoor and Outdoor type.

Oil and Dry type.

Three phase and Single phase

Indoor and Outdoor type.

Oil and Dry type.

MV and LV

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Why Buy From Us

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Our Production

The products are designed in strict accordance with IEC or ANSI standards, and the manufacturing steps meet the technological requirements 

High Standard Primary Winding Design - UNISUN ELECTRIC

Primary winding

High electrolytic copper is used as primary winding, silver base welding material is used at the welding place, and semiconductor shielded paper is wrapped to ensure that the partial discharge tseting data is qualified.  

Secondary winding

Large capacity design secondary winding, automatic winding, high insulation and high purity enameled wire, to ensure wide capacity output under standard accuracy.

Secondary Winding - UNISUN ELECTRIC
PT Core 1 - UNISUN ELECTRIC

PT Core

Imported silicon steel sheet made of PT core, high quality insulation tape, high quality compression sponge, to ensure that resin shrinkage does not affect the performance of PT core, secondary use of high purity enameled wire.  

Primary winding of PT

Mechanized winding secondary winding, all wire uses high purity copper enameled wire, each layer uses high quality insulating paper, to ensure that the layer withstand voltage qualified, to ensure the stability of partial discharge test.

PT Winding 2 - UNISUN ELECTRIC
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