U.S. imports of Time Switches with Clock, Watch, or Synchronous Motor Movement (SITC 88595) totaled $7.4M in August 2026, imported from 28 countries.
Importers of Time Switches with Clock, Watch, or Synchronous Motor Movement paid $1.3M in duties in August 2026, an average duty rate of 16.87% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Time Switches with Clock, Watch, or Synchronous Motor Movement imports of $7.4M in August 2026 ran 20% above the year-to-date monthly average of $6.2M.
Last updated: August 2026 dataDriven by a clock, watch, or synchronous motor mechanism, time switches automatically open or close electrical circuits at pre-set intervals — a core component in building automation, HVAC controls, irrigation systems, and industrial process management. The synchronous-motor requirement distinguishes these from purely electronic or programmable logic timer relays, which classify elsewhere. Trade professionals sourcing these devices should verify that the internal movement type is documented, as the mechanism — not the switching function alone — determines correct classification under this heading.
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735 import shipments a month
Not necessarily. This heading specifically requires a clock or watch movement or a synchronous motor as the driving mechanism. Fully electronic or microprocessor-controlled timers without such a mechanical or synchronous-motor element typically classify under electrical apparatus or control equipment headings rather than here. The internal mechanism must be verified against the technical specification.
Importers should obtain a technical data sheet or engineering drawing confirming the type of internal movement — specifically whether it is a clock/watch movement or a synchronous motor. A bill of materials or component list can also help demonstrate the mechanism type to customs authorities if the classification is questioned during entry review.
Basic heading 285 of 419 in section 8
Basic heading 88595 · $7.4M of $46.9B
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Imports · August 2026
origin
Mexico and China together supply 64% of it. China pays 41.6% duty; Mexico 0.8%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$7.4MYoY · free account
Exports
$1.9MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $92.8M of Time Switches with Clock, Watch, or Synchronous Motor Movement.
Through August 2026 · exports 11 of 12 months reported. Source: U.S. Census Bureau.