HS Code for Solar Microinverters
The HS Code for solar microinverters is 850440. The MFN duty rate for importing to the US is 1.5%.
| HS Code (6-digit) | 850440 |
|---|---|
| US Duty Rate (MFN) | 1.5% |
| EU Duty Rate (MFN) | 2.2% |
| Chapter | 85 |
| Heading | 8504 |
| Last Updated | 2026-05 |
Description
Static converters (inverters)
HS Code 8504.40 covers solar microinverters with a US MFN duty rate of 1.5%.
Frequently Asked Questions
For importing solar microinverters (HTS 8504.40) into Brazil, are there any specific national agency certifications required beyond the general import documentation?
Yes, ANATEL (Agência Nacional de Telecomunicações) certification is mandatory for solar microinverters in Brazil, as they are considered radiofrequency communication devices for grid synchronization and monitoring. The product must also comply with INMETRO (Instituto Nacional de Metrologia, Qualidade e Tecnologia) technical regulations for safety and energy efficiency before being offered for sale.
How does the integration of a power optimizer into a solar microinverter affect its classification under HTS 850440?
If the microinverter and power optimizer are housed in a single, inseparable enclosure and function as a single unit, they remain classifiable under HTS 850440 as a static converter. However, if the power optimizer is a separate, distinct module, it may be classified elsewhere, potentially under HTS 8504.40 for separate static converters or another heading for semiconductor devices, depending on its specific function and design.
Alternative & Potentially Confused HTS Codes
Microinverters are distinct from standard solar inverters, which are often classified under HTS 8504.40.60 (static converters for automatic data processing). Larger central or string inverters for photovoltaic systems typically fall under 8504.40.95. Confusion can also arise with DC-AC power inverters not specifically for solar, found in 8504.40.40. Always verify if the unit is specifically designed to convert DC from a single photovoltaic module to grid-compatible AC to justify 8504.40.20.
Related HS Codes
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