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Ring Generator for Telephony

An electronic device generating ringing voltage for analog telephone systems connected to telephonic networks. Falls under HTS 8543.70.60.00 as specialized apparatus for telephonic instruments.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8504.40.95Same rate: 37.5%

If static converters without telephony function

Power supply units without specific telephonic signaling classify as converters.

8517.69.00Same rate: 37.5%

If other apparatus for line communication

Broader carrier-current apparatus if not specifically for ringing.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Document frequency (16-25Hz) and voltage (75-90Vrms) specs for verification

• Electrical safety certifications critical for high-voltage line devices

• Distinguish from general power supplies by emphasizing telephony signaling