Slip Ring Assembly for Wound Rotor Generators
Forged copper-graphite slip ring stack with spring pressure assembly for rotor current transfer in AC generators under 8501.64.0110. Rated for continuous 1000A+ currents. Classified 8503.00.95.46 as principal electrical contact part.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general electrical connections not machine-specific
Non-principal electrical contacts classify under 8543 parts of electrical apparatus.
If parts of synchronous motors
Motor slip rings use separate statistical numbering.
If bulk copper bars without machining/assembly
Unfinished copper profiles remain in Chapter 74.
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Import Tips & Compliance
• Document current density ratings (15-20 A/cm²) and peripheral speed (40 m/s+) matching MW generators
• Include brush compatibility certification for specific slip ring surface treatment
• Provide rotor diameter/stacking pressure specifications linking to target generator models
Related Products under HTS 8503.00.95.46
DC Link Capacitor Assembly for Wind Turbine Alternators
This capacitor assembly is a critical power electronics component used in the inverter systems of AC generators classified under 8501.64.0110, such as those in wind turbines. It smooths voltage fluctuations in the DC link between the generator rectifier and inverter. It falls under HTS 8503.00.95.46 as a part solely for these specific high-capacity AC alternators.
Stator Winding Insulation Paper for Large AC Generators
High-voltage insulation paper specifically engineered for stator windings in AC generators rated ≥5 MVA under 8501.64.0110. It provides dielectric strength for high-temperature operation in wind power alternators. Classified in 8503.00.95.46 due to its principal, sole use in these specific machines.
IGBT Power Module for Wind Generator Converters
Insulated Gate Bipolar Transistor module rated for megawatt-scale power conversion in AC generators of 8501.64.0110. Essential for the variable frequency drive systems in modern wind turbines. HTS 8503.00.95.46 applies as a part principally used with these specific alternators.
Rotor Retaining Ring for High-Speed Alternators
High-strength alloy steel retaining ring that secures rotor windings against centrifugal forces in AC generators spinning at 1500+ RPM under 8501.64.0110. Forged specifically for wind turbine alternator rotor assemblies. Falls under 8503.00.95.46 as a principal part of these machines.
Cooling Fan Impeller for Generator Housings
Precision-cast aluminum impeller for forced-air cooling systems in enclosed AC generators classified in 8501.64.0110. Designed for high airflow at generator operating temperatures up to 155°C. HTS 8503.00.95.46 as a part solely principally for these large alternators.
Exciter Field Winding Assembly
Copper winding assembly for the exciter section of brushless AC generators under 8501.64.0110. Provides rotating DC field excitation for main generator rotor. Classified in 8503.00.95.46 as principal part of these specific high-capacity alternators.