Shell-Type Wound Core for Instrument Transformers
Shell-type configuration wound core for precision instrument transformers measuring voltage/current in metering applications. HTS 8504.90.96.42 applies to its wound construction for transformer incorporation, ensuring high accuracy ratio.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically designated for current transformers
Instrument current transformers have dedicated subheadings from voltage types.
If part of complete electricity meter
Cores assembled into finished meters classify under gas/electricity meter headings.
If for protection transformers only
Relay protection transformers use separate wound core classifications.
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
• Provide accuracy class (0.3/0.6) and burden ratings to confirm instrument transformer designation
• Calibrate cores before import; NIST-traceable certificates prevent accuracy disputes
• Utility customers require origin certificates; mismatch delays grid integration
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