Toshiba 45MVA Mineral Oil Filled Grid Transformer
45MVA substation transformer using mineral oil dielectric for 138/34.5kV applications. Classified in HTS 8504.23.0041 due to power handling of 45,000 kVA and liquid insulation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If under 1,000 kVA for commercial/industrial use
Lower capacity shifts to smaller transformer category.
If imported specifically as power transformer cores
Cores without windings classify separately from assemblies.
If capacity exceeds 59,999 kVA
Upper statistical suffix for largest liquid transformers.
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Import Tips & Compliance
• Specify oil type (mineral, silicone, less-flammable) as it impacts fire safety classification and permits
• Include bushing ratings and tap changer specifications in entry documents
• Budget for special handling equipment; units exceed container dimensions requiring flat-rack shipping
Related Products under HTS 8504.23.00.41
ABB TX Panorama 40MVA Liquid-Filled Power Transformer
This 40MVA liquid dielectric transformer is designed for substation use in electrical grids, stepping down high voltage for distribution. It falls under HTS 8504.23.0041 because it has a power handling capacity of 40,000 kVA, within the 10,001-59,999 kVA range, and uses insulating oil as the dielectric.
Siemens 25MVA Oil-Immersed Distribution Transformer
A 25MVA three-phase oil-immersed transformer for industrial power distribution, featuring ONAN cooling. Classified under HTS 8504.23.0041 due to its 25,000 kVA rating and liquid dielectric insulation within the specified range.
GE Prolec 50MVA Substation Step-Down Transformer
Heavy-duty 50MVA liquid-filled transformer for utility substations, converting 230kV to 69kV distribution levels. Meets HTS 8504.23.0041 criteria with 50,000 kVA capacity and mineral oil dielectric.
Hyundai 35MVA Power Transformer with ONAN Cooling
35MVA oil-natural air-natural (ONAN) cooled transformer for regional power grids. Falls under HTS 8504.23.0041 for its liquid dielectric design and 35,000 kVA capacity range.
Hitachi 30MVA Three-Phase Utility Transformer
30MVA three-phase liquid dielectric transformer for utility step-up applications. HTS 8504.23.0041 applies for 30,000 kVA capacity with oil-immersed construction.
Schneider Electric 55MVA High-Voltage Transformer
55MVA liquid-cooled high-voltage transformer for transmission substations. Classified under HTS 8504.23.0041 for 55,000 kVA rating and insulating oil dielectric.