High-Voltage Porcelain Suspension Insulators from Germany
These ceramic suspension insulators are designed for supporting high-voltage overhead power transmission lines, typically rated 69kV or higher. Made from high-alumina porcelain, they provide electrical insulation and mechanical strength under extreme weather conditions. Classified under 8546.20.00.90 as ceramic electrical insulators not specified elsewhere in the subheading.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Verify material certification confirming >50% ceramic content (porcelain) to avoid reclassification to glass insulators (8546.10)
• Include dielectric strength test reports (minimum 100kV) and mechanical load ratings in documentation