Hyundai 765kV SF6 Circuit Breaker for UHV Lines
Ultra-high voltage 765kV SF6 puffer-type circuit breaker for long-distance transmission networks. Falls under HTS 8535.29.0020 for automatic circuit breakers exceeding 345kV rated voltage. Engineered for extreme reliability in national grid backbone applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as porcelain housings or insulator assemblies
Structural components without switching mechanism classify as parts.
If for insulating fittings designed specifically for these breakers
Insulating support fittings have separate classification from complete apparatus.
If includes relay panels for protection control
Associated relay and control apparatus classify under separate heading 8536.
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
• Submit 50kA short-circuit test data; comply with FERC interconnection standards; use nitrogen-purged shipping containers to maintain internal pressure
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