Siemens Sentron 3WL Air Circuit Breaker
The Siemens Sentron 3WL is an air-insulated automatic circuit breaker designed for voltages exceeding 1,000 V up to 6.3 kV, providing reliable protection for medium voltage switchgear in power distribution. Falls under HTS 8535.29.00.40 as other automatic circuit breakers for high voltage, featuring withdrawable design for maintenance. Used in substations and industrial plants with electronic trip modules.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 2% | +35.0% | 37% |
| 🇲🇽Mexico | 2% | +10.0% | 12% |
| 🇨🇦Canada | 2% | +10.0% | 12% |
| 🇩🇪Germany | 2% | +10.0% | 12% |
| 🇯🇵Japan | 2% | +10.0% | 12% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for automatic circuit breakers rated ≤1,000 V
Voltage rating determines subheading placement within Chapter 85 heading 8535.
If when imported as complete switchgear assemblies
Circuit breakers within finished switchgear panels classify under 8538 for electrical apparatus parts.
If insulated cables/connectors rather than breakers
Coiled insulated conductors with protection may fall under 8544 instead of switching apparatus.
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Import Tips & Compliance
• Require arc-resistant certification documentation for customs and safety compliance verification
• Submit engineering drawings showing voltage ratings >1,000V to prevent down-classification to 8535.10
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