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Motor Centrifugal Switch Assembly

Speed-responsive switch mechanism for single-phase induction motors (8501) that disconnects start winding after reaching 75% synchronous speed. Essential for start capacitor circuit control. Control part under 8503.00.95.20.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3%+35.0%38%
🇲🇽Mexico3%+10.0%13%
🇨🇦Canada3%+10.0%13%
🇩🇪Germany3%+10.0%13%
🇯🇵Japan3%+10.0%13%

Alternative Classifications

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

8536.50Lower: 10% vs 38%

If electrical switches generally

General switches unless speed-responsive for motors.

8503.00.95Same rate: 38%

If DC motor speed switches

DC motor control parts tracked separately.

9032.89Lower: 11.7% vs 38%

If with electronic speed sensing

Electronic speed controls classified as automatic regulators.

Not sure which classification is right?

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Import Tips & Compliance

• Include speed trip point specs and shaft RPM calibration data

• Document compatibility with specific motor winding configurations

• Avoid 8536.50 classification by proving centrifugal motor-specific actuation

Related Products under HTS 8503.00.95.20

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Laminated steel core assembly designed for use in AC induction motors under heading 8501. It houses the windings that generate the rotating magnetic field essential for motor operation. Classified under 8503.00.95.20 as a principal part specifically for electric motors.

Induction Motor Armature Winding

Pre-wound copper coil assembly for squirrel-cage rotor in induction motors of 8501. Essential for conducting induced currents that produce rotor torque. Classified as motor-specific part under 8503.00.95.20.

Motor Thermal Protector Switch

Bimetallic thermal cutoff switch embedded in motor windings for overheat protection in 8501 motors. Automatically interrupts current at preset temperature to prevent burnout. Integral motor safety part under 8503.00.95.20.

Stepper Motor Lead Screw Assembly

Precision lead screw coupled to stepper motor shaft for linear motion conversion in 8501 motors. Provides accurate positioning for CNC and automation applications. Motor-specific transmission part under 8503.00.95.20.

Motor Mounting Baseplate

Cast aluminum base with precision machined feet and through-bolt pattern for NEMA-standard motor mounting in 8501 applications. Ensures vibration isolation and alignment. Dedicated motor mounting part under 8503.00.95.20.

Motor Terminal Box Assembly

Weatherproof junction box with ceramic insulators and strain relief for power connections on industrial motors (8501). Facilitates three-phase wiring and grounding. Principal electrical interface part under 8503.00.95.20.