90VA Intercom System Transformer from Japan
90VA central power supply transformer for multi-unit apartment intercom systems, providing 16V AC for door stations and handsets. HTS 8504.31.40.65 classification for building communication transformers 40VA-1kVA. Includes thermal overload protection.
Duty Rate — Japan → United States
31.6%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• UL1950 Information Technology Equipment listing for intercom power supplies
• Building code compliance documentation for multi-family installations
• Station capacity and wiring distance calculations prove transformer sizing