Share:

75 kVA Mining Service Transformer

Ruggedized oil-filled transformer for underground mining substations, 4160V to 480V at 75 kVA with MSHA approval. Falls under HTS 8504.33.00 for standard power transformer classification in the specified kVA range.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.6%+35.0%36.6%
🇲🇽Mexico1.6%+10.0%11.6%
🇨🇦Canada1.6%+10.0%11.6%
🇩🇪Germany1.6%+10.0%11.6%
🇯🇵Japan1.6%+10.0%11.6%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8504.90Lower: 10% vs 36.6%

If neon sign transformer design

Specialized high-voltage transformers for signage have separate classification.

8504.32.00Higher: 37.4% vs 36.6%

If small portable mine lighting ≤16 kVA

Portable mine service transformers typically lower capacity.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

MSHA (Mine Safety Health Administration) Part 18 certification mandatory

Specify fault protection coordination curves for mining applications

Ground fault protection relay documentation required for safety compliance

Related Products under HTS 8504.33.00

30 kVA Pad-Mounted Distribution Transformer

This oil-immersed pad-mounted transformer is designed for outdoor utility distribution, stepping down medium voltage to 240/480V for residential and commercial use. It falls under HTS 8504.33.00 due to its 30 kVA power handling capacity, which exceeds 16 kVA but does not exceed 500 kVA, classifying it as a power transformer without additional conversion functions.

50 kVA Three-Phase Pole-Mounted Transformer

A three-phase pole-mounted transformer for overhead distribution lines, converting 13.8 kV to 208Y/120V service voltage. Classified under HTS 8504.33.00 for its 50 kVA capacity within the 16-500 kVA range, typical for medium-sized commercial power delivery.

100 kVA Dry-Type Cast Coil Transformer

Epoxy cast coil dry-type transformer for indoor industrial applications, handling 480V delta to 208Y/120V with 100 kVA capacity. HTS 8504.33.00 applies as a power transformer in the specified 16-500 kVA range, without static conversion features.

25 kVA Single-Phase Farm Duty Transformer

Single-phase transformer designed for rural agricultural service drops, typically 7.2 kV to 240/120V at 25 kVA. Falls under HTS 8504.33.00 for medium power handling between 16-500 kVA, standard for farm distribution.

150 kVA Oil-Filled Substation Transformer

Three-phase oil-immersed transformer for pad-mounted substations, 12.47 kV to 480V at 150 kVA capacity. HTS 8504.33.00 classification based on power handling specs within the 16-500 kVA threshold.

40 kVA Ventilation-Enclosed Transformer

Dry-type transformer with ventilated NEMA 2 enclosure for commercial HVAC applications, 600V to 208V at 40 kVA. Classified in HTS 8504.33.00 for its medium power rating suitable for building electrical systems.