Thermoset Polyester Molded Busbar Insulator
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general mechanical support applications
Other thermosetting plastic plates/sheets/rods without electrical specificity.
If imported as complete electrical insulators
Electrical insulators of plastics designed for general electrical use.
If primarily mineral-filled composition
Articles of stone, plaster, cement with electrical function may classify differently.
Not sure which classification is right?
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Import Tips & Compliance
• 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
Related Products under HTS 8538.90.60.00
Nylon Molded Insulator Base for Switchgear Panels
High-strength nylon molded base plate that serves as the insulating mount for busbars and components in low-voltage switchgear panels of heading 8537. The part ensures electrical isolation and mechanical stability in panelboard assemblies. Classified as molded parts under 8538.90.60.00 due to its principal use with heading 8537 apparatus.
Bakelite Molded Contactor Arc Chute Housing
Heat-resistant Bakelite molded housing that contains and directs arc extinguishing material in electromechanical contactors of heading 8536. The design splits and cools electrical arcs during switching operations. Specifically molded for contactor apparatus qualifying under 8538.90.60.00.
Glass-Filled Nylon Distribution Board Spacer
30% glass-filled nylon molded spacers that maintain precise spacing between busbars in electrical distribution boards of heading 8537. Provides enhanced mechanical strength and electrical insulation properties. Specifically molded for panelboard construction under 8538.90.60.00.
Silicone Rubber Molded Gasket for Panelboards
Liquid injection molded silicone rubber gaskets that seal enclosures of molded-case circuit breakers (heading 8536). Designed for IP65 environmental protection with specific compression set for breaker door assemblies. Qualifies as molded parts under 8538.90.60.00.
ABS Molded Terminal Housing for Circuit Breakers
Precision-molded ABS plastic housing designed specifically to encase and protect terminal connections in electrical circuit breakers of heading 8536. This part provides insulation and structural support for safe current distribution within breaker assemblies. It qualifies under 8538.90.60.00 as a molded part solely for use with apparatus of headings 8535, 8536 or 8537.
Polycarbonate Molded Fuse Holder Cartridge
Injection-molded polycarbonate cartridge that securely holds and positions fuse links within fuse holders of automatic circuit breakers (heading 8536). The molded design provides arc resistance and finger-safe operation. Meets 8538.90.60.00 as molded parts principally for circuit breaker apparatus.