Thermoset Polyester Molded Busbar Insulator from Japan

Compression molded thermoset polyester insulator that supports and isolates copper busbars in switchgear assemblies of heading 8537. Exhibits high mechanical strength and track resistance for 600V applications. Molded specifically for electrical panel apparatus under 8538.90.60.00.

Duty Rate — Japan → United States

13.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Certify compliance with NEMA grade specifications (e.g

GPO-3) for electrical grade verification

Document busbar dimensions and voltage ratings matched by insulator design

Distinguish from general purpose polyester moldings through electrical property documentation