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Motor Phase Failure Relay

Electronic relay module monitoring three-phase power for undervoltage/overcurrent in 8501 motors. Protects against single-phasing damage with automatic disconnect. Protection 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.

8536.20Lower: 12.7% vs 38%

If general contactors

Electrical apparatus relays unless motor phase-specific.

8503.00.95Same rate: 38%

If DC motor protection relays

DC motor electrical parts tracked separately.

8537.10Lower: 27.7% vs 38%

If with programmable logic control

Control panels classified separately from simple relays.

Not sure which classification is right?

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Import Tips & Compliance

• Document pickup/dropout voltage settings for motor service factor

• Specify motor FLA rating compatibility and mounting configuration

• Avoid 8536.20 classification by proving phase sequence monitoring

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.