Applied Motion STF Series Step Generator

Applied Motion STF stepper generator outputs 450W for CNC positioning backup power. Classified HTS 8501.31.81.00 as hybrid step/DC generator <750W. Integrated driver electronics.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+35.0%37.5%
🇲🇽Mexico2.5%+10.0%12.5%
🇨🇦Canada2.5%+10.0%12.5%
🇩🇪Germany2.5%+10.0%12.5%
🇯🇵Japan2.5%+10.0%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8501.10.40Higher: 39.4% vs 37.5%

If stepper motor dominant operation

Steppers primarily motors unless generation specified

8466.94Lower: 14.7% vs 37.5%

If CNC machine integral part

Machinery parts classification supersedes component function

8504.40.95Lower: 35% vs 37.5%

If with power converter circuitry

Static converters integrated shift classification

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Stepper pulse specs document generation vs stepping function,Integrated electronics may trigger additional FCC certification,CNC end-use supports over pure motor classification

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