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HTSUS, United States

9107.00.40.40

Time switches that operate on a fixed-time cycle, of a type used in household type refrigerators and combined refrigerator-freezers, to alternately control the operations of the compressor and the defrost unit (defrost timers)

Classification path

  1. Time switches with clock or watch movement or with synchronous motor
  2. Valued not over $5 each
  3. Time switches that operate on a fixed-time cycle, of a type used in household type refrigerators and combined refrigerator-freezers, to alternately control the operations of the compressor and the defrost unit (defrost timers)

Rates of duty

General (MFN)
15¢ each + 4% + 2.5¢/jewel
Column 2Cuba, North Korea, Russia, Belarus
$1.50 each + 65% + 25¢/jewel
Unit of quantity
No., Jwls.

Trade agreement rates

FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, U.S.-Bahrain FTA, U.S.-Chile FTA, U.S.-Colombia TPA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, U.S.-Jordan FTA, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Panama TPA, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA

Related lines in heading 9107

About heading 9107

Time switches with clock or watch movement or with synchronous motor

Heading 9107 covers time switches: devices that switch something on or off at set times and that work through a clock or watch movement or a synchronous motor. The heading splits first by unit value, at $5 each, and the lower value bracket splits again between defrost timers for household refrigerators and all other time switches.

Full guide to heading 9107

Products in this heading

  • Defrost timer for a household refrigerator-freezer that alternates the compressor and defrost unit
  • Programmable plug-in timer switch for lamps and small appliances
  • Synchronous motor time switch for a water heater or pool pump
  • 24-hour dial timer used to control indoor lighting
  • Clock movement driven switch for a ventilation fan
  • Time switch that cycles a sign or display on and off at fixed intervals

Frequently asked questions

What is the HTS code for a refrigerator defrost timer?

A defrost timer of a type used in household refrigerators and combined refrigerator-freezers, valued not over $5 each, is 9107.00.40.40, with a general (MFN) rate of 15¢ each + 4% + 2.5¢/jewel.

What is the duty on a time switch valued over $5 each?

Time switches valued over $5 each fall under 9107.00.80.00, with a general (MFN) rate of 45¢ each + 6.4% + 2.5¢/jewel.

How do I classify a plug-in lamp timer that is not a defrost timer and costs under $5?

It goes in 9107.00.40.80, the residual line for time switches valued not over $5 each other than defrost timers, with a general (MFN) rate of 15¢ each + 4% + 2.5¢/jewel.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 9107.00.40.40: Time switches that operate on a fixed-time cycle, of a type..., 15¢ each + 4% + 2.5¢/jewel duty | HTSBase