Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA
Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof: > Other transformers: > Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Subheadings
Products classified 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.
200 kVA Industrial Buck-Boost Transformer
Large buck-boost transformer for precise voltage correction in heavy industrial plants, handling 200 kVA loads. HTS 8504.33.00 due to power capacity fitting 16-500 kVA range, primarily functioning as transformer.
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.
20 kVA Solar Inverter Step-Up Transformer
Dry-type isolation transformer paired with solar inverters, boosting 480V DC-converted AC to 13.8 kV distribution at 20 kVA. HTS 8504.33.00 as standalone transformer within capacity limits.
125 kVA Hospital Emergency Power Transformer
Dry-type transformer for hospital UPS/emergency systems, 480V to 208V at 125 kVA with low impedance for generator starts. Classified HTS 8504.33.00 for medium power handling capacity.
35 kVA Commercial Elevator Drive Transformer
K-rated dry-type transformer for VFD elevator motor drives, handling harmonic loads at 35 kVA capacity. HTS 8504.33.00 classification for power transformer in specified range.
250 kVA Data Center Power Transformer
Cast resin transformer for data center electrical rooms, 13.8 kV to 480V at 250 kVA with high efficiency design. Falls under HTS 8504.33.00 for 16-500 kVA power transformers.
60 kVA Marine Service Transformer
Dry-type transformer for shipboard electrical distribution, IP56 enclosure, 440V to 230V at 60 kVA. HTS 8504.33.00 as standard power transformer capacity.
90 kVA Wind Turbine Step-Up Transformer
Oil-immersed pad-mount transformer at wind turbine base, 690V to 34.5 kV at 90 kVA capacity. Classified HTS 8504.33.00 for medium power handling in renewable applications.