Silver-Graphite Electrical Contacts for Circuit Breakers
Precision-engineered silver-graphite composite contacts for medium-voltage circuit breakers, providing low electrical resistance and arc-resistant switching performance. Falls under HTS 8545.90.40.00 as metal-carbon articles for electrical purposes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mounted on complete circuit breaker assemblies
Apparatus parts heading applies to assembled switchgear components.
If predominantly silver rather than graphite matrix
Precious metal articles heading when silver exceeds functional carbon content.
If pure carbon contacts for low-current applications
Lacks precious metal enhancement, classifying as general worked carbon.
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Import Tips & Compliance
• Specify arc erosion resistance data and interrupting capacity ratings
• Declare exact silver content percentage for precious metal duty considerations
• Include circuit breaker model compatibility certifications
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