8504 - Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof:
Sub-classifications
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8504 1000 00
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8504 40
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8504 50
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8504 90
Overview
This HTS category, 8504, encompasses electrical transformers, static converters, and inductors, along with their respective parts. These are crucial components in electrical systems designed to modify voltage, current, or frequency, or to store electrical energy. Transformers are used to step up or step down voltage, static converters change the form of electrical energy (e.g., AC to DC), and inductors store energy in a magnetic field, often used for filtering or energy storage.
Distinguishing this category from its sibling categories is vital for accurate classification. Unlike the agricultural and animal products found in Chapters 01 through 24, or the various manufactured goods in other sections, Chapter 85 specifically deals with electrical machinery and equipment. This means that while other categories might include raw materials or finished goods of different natures, 8504 is strictly for specialized electrical components that facilitate the management and conversion of electrical power.
Within the 8504 heading, further subdivisions exist to provide more granular classification. These subcategories differentiate based on the specific function and design of the electrical apparatus. You will find distinctions for liquid dielectric transformers and other types of transformers, highlighting differences in cooling mechanisms and construction. Static converters are further broken down, typically by their application (e.g., AC to DC rectifiers, DC to DC converters). Inductors are classified based on their characteristics, and a separate category is dedicated to parts and accessories for all these devices, ensuring that repair and replacement components are correctly identified.