Sieyuan SF6-Free Gas-Insulated Head Type Current Transformer product photo.

IEC

GB

SF6-Free Gas-Insulated Head Type Current Transformer

SF6-Free gas-insulated head type current transformer is outdoor, eco-air insulated, inverted structure, with the body placed at the head of the product. The enclosure is made of aluminum alloy welded bell-shaped enclosure and composite bushing. The electric field distribution is axially symmetrical, and the external electric field distribution is uniform. The product is equipped with shielding electrodes inside to improve the internal and external electric fields. The secondary lead is led to the secondary outlet box through the secondary lead tube. The product operates stably and has high reliability.

  • Complete Product Portfolio

  • Certified to International Standards

  • Performance Optimized at Every Level

Product Highlights

Complete Product Portfolio

Complete Product Portfolio

With voltage ratings covering 40.5kV to 550kV, our products feature clean-air insulation. Customized versions for low temperature, high altitude and high seismic resistance are available to fully meet diverse application requirements of various customers.

Certified to International Standards

Certified to International Standards

The products are equipped with complete type test reports, low-temperature test reports, arcing test reports and seismic resistance reports, in full compliance with IEC, IEEE, GB and other authoritative standards, making them suitable for demanding working conditions and harsh regions. They have obtained EU CE, Spanish CE and UKCA certifications and are exported to more than 60 countries and regions worldwide.

Performance Optimized at Every Level

Performance Optimized at Every Level

Featuring excellent electrical performance, our products fully meet the requirements of high-current systems and deliver outstanding dynamic and thermal stability. With superior mechanical properties, they comply with seismic standards including ETG1020 and IEEE-693. Boasting reliable insulation and sealing, they effectively prevent leakage, resist corrosion, and enable convenient and efficient operation and maintenance.

Technical Specification

Rated Voltage

40.5-550 kV

Primary Current

0.5-8000 A

Secondary Current

1 A, 5 A

Class

GB/IEC: 0.2/0.5/0.2S/0.5S/5P/10P/TPS/TPX/TPY

IEEE

0.3/0.6/1.2/C200/C400/C800

Specific Creepage Distance

25/31 kV/mm

Insulator Material

Composite

Rated Frequency

50/60 Hz

Temperature Range

-60-50℃

Altitude

≤1000m,Customizable for high-altitude applications