Mid-Range Padmount Transformer 500 kVA
500 kVA three-phase pad-mounted unit with natural ester dielectric fluid for underground commercial service. Rated for 34.5 kV primary. Under 650 kVA limit for 8504.21.00.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If approaching or over 650 kVA threshold
Precise capacity measurement determines heading.
If tank assemblies without electrical components
Enclosures alone are parts, not complete transformers.
If sold as HVAC equipment component
End-use in heating/cooling systems may shift to Chapter 84.
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Import Tips & Compliance
• Efficiency labeling per DOE 10 CFR Part 431 required at entry
• Document tank pressure/vacuum testing to prove integrity
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