Transformer Core Clamp Assembly

High-strength steel clamp bands with bolt hardware and insulation washers for securing transformer core laminations under compression. HTS 8504.90.96.46 classification as other transformer parts maintains core stack integrity. Designed for 10kV+ distribution transformers.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

7318.15.20Same rate: 35%

If generic steel strapping/banding material

General steel fasteners classify under heading 7318.

8504.90Same rate: 35%

If pre-assembled complete core-and-clamp units

Complete core assemblies have dedicated statistical suffixes.

8504.23.00Higher: 36.6% vs 35%

If clamps integral to wound, liquid-immersed transformers

Assembled transformers classify as complete units.

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

Clamp force calculations and material stress analysis documentation essential

Galvanized or stainless steel specifications with thickness measurements required

Loose clamp bands without transformer-specific dimensions risk Chapter 73 classification

Related Products under HTS 8504.90.96.46

Transformer Bobbin Assembly

High-temperature plastic bobbins with integrated winding pins and terminals, specifically engineered for transformer coil assembly in switch-mode power supplies. Classified under HTS 8504.90.96.46 as other transformer parts due to dedicated transformer function. Provides structural support and electrical isolation for windings.

Transformer Mounting Bracket Kit

Stamped steel brackets with pre-drilled holes and isolation grommets designed specifically for securing power transformers in consumer electronics chassis. Falls under HTS 8504.90.96.46 as other transformer parts due to dedicated mounting function. Ensures proper heat dissipation and vibration isolation.

Transformer Terminal Block Assembly

Ceramic-based terminal blocks with high-voltage spacing and solderable pins specifically for power transformer secondary windings. Classified under HTS 8504.90.96.46 as other transformer parts due to electrical connection function. Rated for 600V+ operation in industrial transformers.

Transformer Vibration Isolation Mount

Neoprene rubber mounts with threaded studs designed specifically for isolating transformer vibration in HVAC equipment. Classified HTS 8504.90.96.46 as other transformer parts due to noise/vibration suppression function. Rated for 500+ lb transformer loads.

Transformer Temperature Sensor Mount

Bimetallic thermal mounts with embedded thermocouples specifically positioned for transformer hot-spot temperature monitoring. Classified under HTS 8504.90.96.46 as other transformer parts for thermal protection function. Critical for preventing thermal runaway failures.

Toroidal Transformer Core Laminations

Stamped and insulated steel laminations designed specifically for assembly into toroidal transformer cores used in power supplies. These parts fall under HTS 8504.90.96.46 as other parts of transformers, distinct from complete cores or windings. They enable efficient magnetic flux in high-performance transformers.