Ring Generator for Telephony from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• 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