Cathodic Protection Rectifier
Transformer-rectifier unit for impressed current cathodic protection systems preventing corrosion on pipelines, ship hulls, and offshore platforms. Falls under HTS 8543.30.90.80 as specialized electrolysis apparatus generating protective DC current through sacrificial anodes. Automatically adjusts output based on pipeline potential monitoring.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for general DC power conversion
Rectifiers without dedicated corrosion protection control classified as static converters.
If when includes automatic potential control circuitry
Apparatus with automatic control for electrical quantities falls under 9032.
If for large marine installation systems
Complete ship corrosion protection installations classified as marine machinery parts.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include NACE corrosion control certifications and remote monitoring specifications in import docs
• Specify impressed current output ratings (10-100A) to distinguish from general rectifiers
• Ensure hazardous location (Class I Div 1) ratings for oil/gas pipeline applications
Related Products under HTS 8543.30.90.80
Industrial Electroplating Rectifier
A DC power supply unit designed specifically for electroplating processes, converting AC to controlled DC current for metal deposition in industrial plating baths. It falls under HTS 8543.30.90.80 as an electrical apparatus with the individual function of providing power for electroplating, not specified elsewhere in Chapter 85. This machine ensures uniform coating thickness on automotive parts and hardware.
Electrophoresis Power Supply Unit
Precision DC power supply for gel electrophoresis equipment used in molecular biology labs to separate DNA/RNA fragments by electrical charge. Classified under 8543.30.90.80 for its specific electrophoresis function, providing programmable voltage up to 300V with constant current/voltage modes. Essential for protein analysis and genetic research applications.
Anodizing Power Supply
High-current DC power supply for aluminum anodizing processes creating oxide layers for corrosion resistance and decoration. Classified in 8543.30.90.80 for electroplating-specific function with pulse reverse current capabilities preventing burn spots. Used in aerospace and architectural aluminum finishing.
Electrolysis Hydrogen Generator Power Supply
Specialized high-efficiency power supply for PEM electrolyzers producing hydrogen gas through water electrolysis. Under HTS 8543.30.90.80 as electrolysis apparatus with precise current density control for optimal hydrogen yield. Used in renewable energy and industrial gas production.
Electrowinning Cell Controller
Electrical control unit for copper/gold electrowinning cells recovering metals from leach solutions via electrolysis. HTS 8543.30.90.80 classification for specialized mining electrolysis function with cell voltage monitoring and rectifier sequencing. Critical for precious metal recovery operations.
Laboratory Electrophoresis Tank Power Supply
Compact power supply for mini/submarine gel electrophoresis tanks used in biotech research labs. Provides 50-500V with timer and automatic shutoff for DNA/RNA separation. Classified under 8543.30.90.80 as dedicated electrophoresis apparatus not elsewhere specified.