Toshiba GF8T-420kV Double Break Circuit Breaker

420kV double-break pole SF6 circuit breaker with one-time maintenance design for substations. Classified in HTS 8535.29.0020 as automatic circuit breaker for >345kV circuits. Provides high mechanical endurance for frequent operation.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2%+35.0%37%
🇲🇽Mexico2%+10.0%12%
🇨🇦Canada2%+10.0%12%
🇩🇪Germany2%+10.0%12%
🇯🇵Japan2%+10.0%12%

Alternative Classifications

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

8535.10.00Higher: 37.7% vs 37%

If for manual circuit breakers without automatic tripping

Manual disconnect switches exclude automatic function required for 8535.2x.

8504.23.00Lower: 36.6% vs 37%

If sold as complete substation power supply set

Sets including transformers and converters classify under power supply headings.

8538.10.00Lower: 35% vs 37%

If for junction boxes or connection enclosures used with breakers

Connection apparatus without switching function falls under heading 8538.

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

• Include seismic withstand capability certification; verify interrupter chamber integrity; coordinate with customs for oversize load permits (often 4-5m height)

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