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
16.6%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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