Of a kind used for the transmission of electrical energy
Electrical insulators of any material. > Of ceramics > Of a kind used for the transmission of electrical energy
Duty Rate (from China)
Products classified under Tariff item 8546.20.00.10
69kV Suspension Disc Insulators
Porcelain disc suspension insulators rated at 69kV, used in strings for overhead transmission towers. Each cap-and-pin unit provides high mechanical strength and contamination resistance. This product falls under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Alumina Ceramic Feedthrough Insulator
A hermetically sealed 99.5% alumina ceramic feedthrough insulator designed for high-vacuum systems, allowing conductors to pass through barriers while maintaining electrical insulation. It is used in RF and microwave applications where vacuum integrity and insulation are critical. This product falls under tariff item 8546.20.00 as it is a ceramic electrical insulator.
8546.20.00Alumina Ceramic Post Insulators
Alumina ceramic post insulators are cylindrical supports made from 95% alumina ceramic, designed for use in electrical substations to support busbars and equipment up to 36kV. They provide high puncture resistance and tracking resistance, making them suitable for polluted environments. These insulators fall under tariff item 8546.20.00 as they are electrical insulators made of ceramics.
8546.20.00Alumina Ceramic Spool Insulator
A precision-machined spool-shaped insulator made from 95% alumina ceramic, used in electrical coils and transformers to support and insulate wires. It prevents electrical short circuits and provides mechanical stability. This product is classified under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Alumina Ceramic Suspension Insulator
This high-purity alumina ceramic insulator is used in strings for overhead power transmission lines at 132kV and above in low-frequency AC systems. It provides superior puncture resistance and is capped with forged steel fittings for mechanical strength. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00ANSI C29.2 Suspension Insulators
These porcelain suspension insulators conform to ANSI C29.2 specifications and are designed for 115kV transmission lines. The fog-type design resists surface contamination and provides superior flashover protection in polluted environments. As ceramic electrical insulators, they fall under tariff item 8546.20.00.
8546.20.00Beryllia Ceramic RF Insulator
A beryllium oxide (BeO) ceramic insulator for RF power transistors, offering high thermal conductivity while providing electrical insulation. It is a specialized ceramic used in high-frequency applications. This product falls under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Boron Nitride Ceramic High-Voltage Spacer
This boron nitride ceramic composite spacer insulator is designed for vacuum interrupters in high-voltage switchgear, operating at 72.5kV in low-frequency applications. It offers superior arc resistance and is used in demanding switchgear environments. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00Ceramic Pothead Insulator
A large porcelain pothead insulator used for cable termination in substations, rated for 69-230kV. It provides stress relief and electrical insulation for high-voltage cables. This product is classified under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Cordierite Ceramic Bobbin Insulator
A cordierite ceramic bobbin for winding magnet wire in inductors and relays, providing interlayer insulation and low thermal expansion. It is used in electrical components to prevent short circuits. This product falls under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Cordierite Ceramic Hollow Insulator
This hollow core cordierite ceramic insulator is used for GIS switchgear in high-voltage substations, operating in low-frequency environments with excellent thermal shock resistance. It is used for bushing cores in SF6 environments. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00Cordierite Ceramic Stand-Off Insulators
Cordierite ceramic stand-off insulators are threaded components used to mount electrical parts in high-frequency RF equipment, providing phase-to-phase insulation with a low dielectric constant. They are made from cordierite ceramic, a material known for its thermal stability and electrical insulating properties. These insulators are classified under tariff item 8546.20.00 as ceramic electrical insulators.
8546.20.00High-Alumina Ceramic Spool Insulator
This spool-shaped high-alumina ceramic insulator is used for guy wire strain relief in low-frequency transmission structures up to 230kV. It offers high tracking resistance per IEC 60273 standards. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00High-Purity Alumina Submount Insulator
A 99.9% alumina ceramic submount for power semiconductor modules, providing thermal and electrical isolation. It is used in IGBT modules to mount and insulate semiconductor devices. This product is classified under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00High-Voltage Porcelain Post Insulator
A cylindrical porcelain insulator designed for supporting high-voltage power lines on utility poles, featuring a glazed surface for weather resistance. It provides electrical insulation and mechanical support. This product falls under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00High-Voltage Porcelain Suspension Insulators
High-voltage porcelain suspension insulators are designed to support overhead power transmission lines rated 69kV or higher. Made from high-alumina porcelain, they provide electrical insulation and mechanical support for conductors. These insulators are classified under tariff item 8546.20.00 as they are electrical insulators made of ceramics.
8546.20.00Horizontal Line Post Insulators
These ceramic horizontal line post insulators are designed for 46kV distribution systems, featuring trunnion mounting for crossarm applications. They are built to handle high mechanical loads while providing electrical reliability in low-frequency circuits. As ceramic insulators, they are classified under tariff item 8546.20.00.
8546.20.00Industrial Kiln Ceramic Insulator Tubes
Industrial kiln ceramic insulator tubes are high-temperature alumina tubes used to insulate heating element wires in electric kilns and furnaces, operating up to 1700°C. They provide electrical isolation in oxidizing atmospheres. These tubes are classified under tariff item 8546.20.00 as ceramic electrical insulators.
8546.20.00Laboratory Mullite Electrical Insulators
Laboratory mullite electrical insulators are standoffs and tubes made from mullite ceramic (3Al2O3·2SiO2) for use in high-voltage testing equipment and spark testers. They offer excellent arc resistance and machinability. These insulators are classified under tariff item 8546.20.00 as ceramic electrical insulators.
8546.20.00Line Post Porcelain Insulators
These station post ceramic insulators are rated for 15kV to 69kV and are designed for vertical mounting on utility poles in distribution substations. They provide cantilever strength for line support in high-voltage, low-frequency circuits. As ceramic insulators, they are classified under tariff item 8546.20.00.
8546.20.00Machinable Ceramic Insulator Sleeve
A Macor machinable glass-ceramic sleeve insulator for custom electrical standoffs in prototypes, offering machinability and insulation properties. It is used in electrical applications where custom shapes are required. This product is classified under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Multilayer Ceramic Feedthrough Insulators
Multilayer ceramic feedthrough insulators are hermetic feedthroughs with multiple gold-plated pins in a 99.5% alumina body, designed for vacuum chamber penetrations in semiconductor equipment. They are vacuum tight to 1x10^-9 Torr. These insulators are classified under tariff item 8546.20.00 as ceramic electrical insulators.
8546.20.00Pin-Type Porcelain Insulators
These ceramic pin-type insulators support overhead distribution lines up to 33kV, featuring a single pin mounting design. They provide both electrical insulation and mechanical attachment for crossarms in low-frequency systems. As ceramic insulators, they are classified under tariff item 8546.20.00.
8546.20.00Porcelain High-Voltage Post Insulator
This ceramic post insulator is made from high-alumina porcelain and is designed for supporting high-voltage conductors in substations operating at low frequencies (50-60 Hz). It features a glazed surface for weather resistance and mechanical durability. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00Porcelain Pin-Type Insulator
A traditional porcelain pin insulator for distribution poles (11-33kV), screwed onto wooden crossarms. It provides primary electrical insulation and mechanical support for overhead lines. This product falls under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Porcelain Pin-Type Insulators
Porcelain pin-type insulators are designed for distribution poles in the 11-33kV class, with cemented steel pins for mechanical attachment. They feature a brown glaze finish that resists contamination tracking. These insulators are classified under tariff item 8546.20.00 as ceramic electrical insulators.
8546.20.00Porcelain Station Post Insulator
This Class 5 porcelain station post insulator is designed for 69kV bus support in low-frequency indoor switchyards, with high cantilever strength. It conforms to ANSI C29.9 standards. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00Porcelain Suspension Insulator Disc
A single porcelain disc unit for string suspension insulators in extra-high-voltage transmission lines, featuring a ball-and-socket design. It provides electrical insulation and mechanical strength. This product is classified under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Porcelain Suspension Insulators
These high-voltage porcelain suspension insulators are designed for suspending overhead power transmission lines, typically rated 69kV to 230kV. They provide electrical insulation and mechanical support in low-frequency AC systems. As ceramic insulators, they are classified under tariff item 8546.20.00.
8546.20.00Porcelain Transformer Bushing Insulator
This C-130 class porcelain bushing is designed for oil-immersed power transformers rated 115kV in low-frequency 60Hz service. It features alternating petticoat sheds for contamination resistance. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00Silicon Carbide Ceramic Surge Arrester Insulator
This silicon carbide ceramic surge arrester insulator houses SiC valve blocks for 132kV surge arresters in low-frequency grids, featuring pressure relief design. It provides non-linear voltage-current characteristics for lightning protection. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00Silicon Carbide Surge Arrester Insulator
A porcelain housing for silicon carbide surge arresters protecting transformers from lightning, with high puncture resistance. It provides electrical insulation and mechanical protection. This product falls under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Silicon Carbide Surge Arrestor Insulators
Silicon carbide surge arrestor insulators are ceramic housings for gapless surge arrestors that protect transformers from lightning strikes up to 200kA. They are made of porcelain with high mechanical strength (12kN cantilever). These insulators are classified under tariff item 8546.20.00 as ceramic electrical insulators.
8546.20.00Steatite Ceramic Bushing Insulator
A steatite ceramic bushing used in switchgear to insulate conductors passing through enclosures, with threaded metal ends for mounting. It provides electrical insulation in medium-voltage applications. This product is classified under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Steatite Ceramic Bushings
Steatite ceramic bushings are made from magnesium silicate and are used in low to medium voltage switchgear to insulate conductors through enclosure walls. They offer low electrical loss and high thermal stability up to 1000°C. These bushings are classified under tariff item 8546.20.00 as ceramic electrical insulators.
8546.20.00Steatite Ceramic Strain Insulator
This steatite-based ceramic insulator is designed for dead-end strain applications in low-frequency distribution lines up to 69kV, with high mechanical tensile strength. Its low-loss tangent makes it suitable for transformer bushings as well. As a ceramic insulator, it is classified under tariff item 8546.20.00.
8546.20.00Steatite Ceramic Terminal Block Insulator
A low-voltage steatite ceramic base for terminal blocks in control panels, isolating screw terminals. It prevents short circuits and provides electrical insulation. This product falls under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Zirconia Ceramic Spark Plug Insulators
Zirconia ceramic spark plug insulators are high-strength insulators for automotive and industrial spark plugs, providing over 30kV dielectric strength and thermal shock resistance. The ceramic core insulates the central electrode from the metal shell. These insulators are classified under tariff item 8546.20.00 as ceramic electrical insulators.
8546.20.00Zirconia Ceramic Stand-Off Insulator
A high-strength zirconia ceramic stand-off insulator for mounting busbars in electrical panels, resistant to thermal shock. It provides electrical insulation and mechanical support. This product is classified under tariff item 8546.20.00 as a ceramic electrical insulator.
8546.20.00Zirconia-Toughened Alumina Insulator
This zirconia-toughened alumina (ZTA) ceramic insulator is designed for high-voltage circuit breakers in low-frequency power grids, offering fracture toughness over 5 MPa·m½. It is engineered for seismic-prone areas where mechanical resilience is critical. As a ceramic insulator, it is classified under tariff item 8546.20.00.