Siemens 150 MVA Oil-Immersed Substation Transformer
Siemens' oil-immersed transformer rated at 150 MVA for substation use, featuring liquid dielectric cooling and high-voltage bushings. It handles extreme power loads exceeding 100,000 kVA in electrical grids. Meets HTS 8504.23.00.80 specifications for extra-high capacity liquid dielectric transformers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If power capacity under 10,000 kVA
Smaller power handling moves it to the base liquid dielectric transformer subheading.
If air-cooled without liquid dielectric
Dry-type design for similar capacities uses different cooling method, changing heading.
If configured as part of rotating electrical machinery
Certain assemblies integral to generators or motors may fall under Chapter 85 heading 8503.
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Import Tips & Compliance
• Declare exact kVA rating with nameplate data; customs may require independent verification for high-value imports
• Comply with US DOT hazardous material regs for transformer oil during transport
• Avoid misdeclaration as lower-capacity units, which triggers audits and penalties
Related Products under HTS 8504.23.00.80
Hyundai 200 MVA HVDC Converter Transformer
Hyundai Heavy Industries 200 MVA High Voltage Direct Current (HVDC) converter transformer using synthetic ester liquid dielectric. Designed for long-distance power transmission with capacity over 100,000 kVA. Classified in HTS 8504.23.00.80 for large liquid-cooled power transformers.
Hitachi 160 MVA Industrial Furnace Transformer
Hitachi's oil-cooled 160 MVA transformer for electric arc furnace applications in steel mills, with power handling over 100,000 kVA. Features robust design for harmonic loads. Falls under HTS 8504.23.00.80 for extra-large liquid dielectric transformers.
Mitsubishi 220 MVA Wind Farm Step-Up Transformer
Mitsubishi 220 MVA liquid dielectric step-up transformer for offshore wind farms, handling capacities exceeding 100,000 kVA. Oil-immersed with corrosion-resistant bushings. HTS 8504.23.00.80 covers these massive renewable energy grid components.
TBEA 140 MVA Ultra-High Voltage Transformer
TBEA's 140 MVA UHV transformer using advanced mineral oil dielectric for 1000kV transmission lines, far exceeding 100,000 kVA capacity. Designed for national grid backbone infrastructure. Precisely matches HTS 8504.23.00.80 criteria.
SPX Transformer 175 MVA Utility Autotransformer
SPX Transformer Solutions 175 MVA three-winding autotransformer with liquid dielectric cooling for utility load centers. Capacity exceeds 100,000 kVA with advanced cooling radiators. HTS 8504.23.00.80 designation for such large grid assets.
Virginia Transformer 195 MVA Phase Shifter
Virginia Transformer's 195 MVA liquid dielectric phase shifting transformer for power flow control in interconnected grids. Exceeds 100,000 kVA with precise angular displacement control. Classifies under HTS 8504.23.00.80 for specialized high-capacity units.